@import url('https://fonts.googleapis.com/css2?family=Bungee&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Kalam:wght@400;700&family=Roboto+Mono:wght@400;500&display=swap');

/*
==========================================
1. :root & CSS Variables
==========================================
*/
:root {
    /* Primary Color Palette (Green Theme) */
    --primary-color: #43B02A;
    --primary-color-dark: #368a21;
    --primary-color-light: #e9f7e6;
    --primary-color-text: #ffffff;
    --header-bg-color: #2a681c;
    --ticker-bg-color: #0e6e13;
    --sidebar-bg-color: #2a681c;
    --year-highlight-bg-color: #0d8a11;
    --logo-icon-color: #c8e6c9;
    --year-header-color: #e8f5e9;
    --nav-active-bg: rgba(255, 255, 255, 0.9);
    --nav-hover-bg: rgba(255, 255, 255, 0.1);
    --nav-active-bg-light: rgba(255, 255, 255, 0.2);
    --header-border-color: rgba(255, 255, 255, 0.15);
    --ticker-border-color: rgba(255, 255, 255, 0.3);
    --mobile-sidebar-border: #1f5114;
    --mobile-footer-border: rgba(255, 255, 255, 0.15);
    --how-to-use-border: rgba(255, 255, 255, 0.1);
    --how-to-use-bg: rgba(0, 0, 0, 0.15);

    /* Light Theme Colors */
    --background-color: #f8f9fa;
    --surface-color: #ffffff;
    --surface-alt-color: #f1f3f5;
    --text-primary-color: #212529;
    --text-secondary-color: #6c757d;
    --text-muted-color: #868e96;
    --text-dark-color: #343a40;
    --border-color: #dee2e6;
    --border-color-light: #e9ecef;

    /* Semantic Colors */
    --success-color: #28a745;
    --success-bg-color: #eaf6ec;
    --warning-color: #ffc107;
    --warning-bg-color: #fff8e1;
    --error-color: #dc3545;
    --error-bg-color: #fbe9ea;
    --info-color: #17a2b8;
    --info-bg-color: #e5f6f8;

    /* Typography */
    --font-primary: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-secondary: 'Roboto Mono', monospace;
    --font-bungee: "Bungee", sans-serif;
    --font-handwriting: 'Kalam', cursive;
    --font-size-base: 16px;
    --line-height-base: 1.6;

    /* Spacing & Sizing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;
    --header-height: 70px;
    --container-max-width: 1280px;

    /* Borders & Corners */
    --border-radius-sm: 0.25rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 0.75rem;

    /* Shadows (Subtle & Professional) */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-inset: inset 0 2px 4px 0 rgba(0, 0, 0, 0.05);

    /* Transitions */
    --transition-speed-fast: 0.2s;
    --transition-speed-normal: 0.3s;
    --transition-type: ease-in-out;
}

/*
==========================================
2. Global & Reset Styles
==========================================
*/
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    line-height: var(--line-height-base);
    background-color: var(--background-color);
    color: var(--text-primary-color);
    transition: background-color var(--transition-speed-normal) var(--transition-type), color var(--transition-speed-normal) var(--transition-type);
}

img,
canvas,
svg {
    max-width: 100%;
    display: block;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-speed-fast) var(--transition-type);
}

a:hover {
    color: var(--primary-color-dark);
    text-decoration: underline;
}

ul {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background-color: transparent;
}

/*
==========================================
3. Dark Theme
==========================================
*/
[data-theme="dark"] {
    /* Dark Theme Color Palette */
    --primary-color: #43B02A;
    --primary-color-dark: #5bc542;
    --primary-color-light: #2c3e29;
    --strong-text-dark-theme: #a5d6a7;
    --mobile-sidebar-border: #1a4314;
    --mobile-active-link-bg-dark: rgba(76, 175, 80, 0.3);
    --mobile-footer-border: rgba(255, 255, 255, 0.2);

    /* Dark Backgrounds & Surfaces */
    --background-color: #121212;
    --surface-color: #1e1e1e;
    --surface-alt-color: #2a2a2a;
    --sidebar-bg-dark: #1f5114;

    /* Dark Text Colors */
    --text-primary-color: #e0e0e0;
    --text-secondary-color: #a0a0a0;
    --text-muted-color: #757575;

    /* Dark Borders */
    --border-color: #333333;
    --border-color-light: #2c2c2c;

    /* Dark Semantic Colors */
    --success-bg-color: #1c3b26;
    --warning-bg-color: #4d3800;
    --error-bg-color: #441c22;
    --info-bg-color: #0d3c44;

    /* Dark Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.25);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.25);
    --shadow-inset: inset 0 2px 4px 0 rgba(0, 0, 0, 0.25);
}

/* Make images less bright in dark mode */
[data-theme="dark"] img {
    filter: brightness(.8) contrast(1.1);
}

/*
==========================================
4. Typography & Utility Classes
==========================================
*/
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary-color);
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

p {
    margin-bottom: var(--spacing-md);
}

.main-heading {
    margin-bottom: var(--spacing-lg);
}

.section-heading {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    position: relative;
    padding-bottom: var(--spacing-sm);
}

.section-heading::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: var(--primary-color);
    border-radius: 2px;
}

.panel-title {
    margin-bottom: var(--spacing-lg);
    font-size: 1.5rem;
}

.secondary-title {
    font-size: 1.2rem;
    color: var(--text-secondary-color);
}

.brand-name,
.year-highlight {
    color: var(--primary-color);
    font-weight: 600;
}

.text-center {
    text-align: center;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.error-message-box,
.warning-message,
.info-message-box {
    display: none;
}

/*
==========================================
5. Layout & Container Styles
==========================================
*/
.app-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    overflow-x: hidden;
}

.main-app-content {
    flex-grow: 1;
    padding-top: var(--spacing-xl);
    padding-bottom: var(--spacing-xxl);
}

.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--spacing-lg);
    padding-right: var(--spacing-lg);
}

.main-app-content>.container>section {
    margin-bottom: var(--spacing-xxl);
}

/*
==========================================
6. Header & Navigation Styles
==========================================
*/
.app-header {
    background-color: var(--header-bg-color);
    color: var(--primary-color-text);
    padding: 0.5rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-md);
}

.header-top-row,
.header-bottom-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-top-row {
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--header-border-color);
}

.logo-area a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color-text);
    text-decoration: none;
    font-weight: 700;
    font-size: 1.25rem;
}

.logo-icon {
    font-size: 1.8rem;
    color: var(--logo-icon-color);
}

.title-year-header {
    font-weight: 400;
    color: var(--year-header-color);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Styles for Login/Register/Tariff Log Buttons */
.auth-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.btn.btn-small-header {
    padding: 0.4rem 0.8rem;
    font-size: 0.9rem;
    font-weight: 600;
    white-space: nowrap;
    border-radius: var(--border-radius-md);
}

.btn-small-header.btn-outline {
    color: var(--primary-color-text);
    border-color: rgba(255, 255, 255, 0.5);
    
}

.btn-small-header.btn-outline:hover {
    background-color: var(--nav-hover-bg);
    border-color: var(--primary-color-text);
}

.btn-small-header.btn-primary {
    background-color: var(--primary-color);
    color: var(--primary-color-text);
    border-color: var(--primary-color);
    
}

.btn-small-header.btn-primary:hover {
    background-color: var(--primary-color-dark);
    border-color: var(--primary-color-dark);
    
}

/* Styles for Logged-In User View */
.user-menu .nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.25rem 0.5rem;
    border-radius: 50px; /* Pill shape */
    
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--primary-color-text);
}

.username {
    font-weight: 600;
    color: var(--primary-color-text);
}

.user-menu .dropdown-menu {
    right: 0;
    left: auto;
}

.icon-btn {
    color: var(--primary-color-text);
    font-size: 1.1rem;
    padding: 0.5rem;
    border-radius: 50%;
    transition: background-color 0.2s ease-in-out;
}

.icon-btn:hover {
    background-color: var(--nav-hover-bg);
    color: #fff;
    
}

.main-nav {
    width: 100%;
}

.nav-links {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1.5rem;
    padding-top: 0.5rem;
}

.nav-link {
    color: var(--primary-color-text);
    padding: 0.5rem 1rem;
    font-weight: 500;
    position: relative;
    transition: color 0.2s ease-in-out, background-color 0.2s ease-in-out;
    border-radius: 4px;
    text-decoration: none !important;
}

.nav-link:hover {
    background-color: var(--nav-hover-bg);
    color: var(--primary-color-text);
    
}

[data-theme="light"] .nav-link:hover {
    background-color: var(--surface-alt-color);
    color: var(--primary-color-dark);
}

.nav-link::after {
    content: none;
}

.nav-link.active {
    background-color: var(--nav-active-bg);
    color: var(--primary-color-dark);
    font-weight: 700;
}

.nav-link .fa-chevron-down {
    font-size: 0.7rem;
    margin-left: 0.25rem;
    transition: transform 0.2s;
}

.nav-item-dropdown {
    position: relative;
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--surface-color);
    color: var(--text-primary-color);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-lg);
    padding: 0.5rem 0;
    min-width: 220px;
    z-index: 1001;
    border: 1px solid var(--border-color);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity 0.2s ease-in-out, transform 0.2s ease-in-out, visibility 0.2s;
}

.nav-item-dropdown:hover .dropdown-menu,
.nav-item-dropdown:focus-within .dropdown-menu {
    display: block;
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav-item-dropdown:hover .nav-link .fa-chevron-down,
.nav-item-dropdown:focus-within .nav-link .fa-chevron-down {
    transform: rotate(180deg);
}

.dropdown-menu-item {
    display: block;
    padding: 0.5rem 1rem;
    color: var(--text-primary-color);
    white-space: nowrap;
    text-decoration: none !important;
}

.dropdown-menu-item:hover,
.dropdown-menu-item:focus {
    background-color: var(--surface-alt-color);
    color: var(--primary-color);
    outline: none;
}

.mobile-menu-toggle {
    display: none;
    z-index: 1101;
    font-size: 1.5rem;
    color: var(--primary-color-text);
}

/* Responsive styles for header actions */
@media (max-width: 1024px) {
    .auth-actions {
        display: none; /* Hide auth buttons on desktop view for smaller screens */
    }
}


/*
==========================================
7. Ticker Bar Styles
==========================================
*/
.mpesa-charges-ticker-bar {
    background-color: var(--ticker-bg-color);
    color: var(--primary-color-text);
    padding: 0.5rem 0;
    overflow: hidden;
    white-space: nowrap;
}

.ticker-container {
    display: flex;
    align-items: center;
}

.ticker-date-time {
    padding: 0 1rem;
    font-weight: 600;
    border-right: 2px solid var(--ticker-border-color);
}

.ticker-content-wrapper {
    flex-grow: 1;
    overflow: hidden;
}

.ticker-content {
    display: inline-block;
    padding-left: 100%;
    animation: ticker-scroll 100s linear infinite;
}

.ticker-content span {
    margin: 0 1.5rem;
}

.ticker-content-wrapper:hover .ticker-content {
    animation-play-state: paused;
}

@keyframes ticker-scroll {
    0% {
        transform: translateX(0%);
    }

    100% {
        transform: translateX(-100%);
    }
}

/*
==========================================
8. Mobile Sidebar Styles
==========================================
*/
body.sidebar-open {
    overflow: hidden;
}

.mobile-sidebar {
    position: fixed;
    top: 0;
    left: -300px;
    width: 300px;
    height: 100%;
    background-color: var(--sidebar-bg-color);
    z-index: 1100;
    transition: left 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    display: flex;
    flex-direction: column;
    padding: 3rem 1.5rem 1.5rem;
    box-shadow: var(--shadow-lg);
    border-right: 1px solid var(--mobile-sidebar-border);
}

[data-theme="dark"] .mobile-sidebar {
    background-color: var(--sidebar-bg-dark);
    border-right: 1px solid var(--mobile-sidebar-border);
}

body.sidebar-open .mobile-sidebar {
    left: 0;
}

.mobile-nav {
    flex-grow: 1;
    overflow-y: auto;
}

.mobile-nav-links .mobile-nav-link {
    display: block;
    padding: 0.8rem 1rem;
    color: var(--year-header-color);
    font-weight: 500;
    font-size: 1.1rem;
    border-bottom: none;
    border-radius: 6px;
    margin-bottom: 0.25rem;
    transition: background-color 0.2s ease-in-out, color 0.2s ease-in-out;
}

.mobile-nav-links .mobile-nav-link:hover {
    background-color: var(--nav-hover-bg);
    color: var(--primary-color-text);
}

.mobile-nav-links .mobile-nav-link.active {
    color: var(--primary-color-text);
    background-color: var(--nav-active-bg-light);
    font-weight: 700;
}

[data-theme="dark"] .mobile-nav-links .mobile-nav-link.active {
    background-color: var(--mobile-active-link-bg-dark);
}

.mobile-nav-section-title {
    padding: 1.5rem 0 0.5rem;
    color: var(--logo-icon-color);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.75px;
}

.mobile-sidebar-footer {
    padding-top: 1.5rem;
    margin-top: 1rem;
    border-top: 1px solid var(--mobile-footer-border);
    text-align: center;
    color: var(--logo-icon-color);
}

.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1050;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease-in-out, visibility 0.3s ease-in-out;
}

body.sidebar-open .sidebar-overlay {
    opacity: 1;
    visibility: visible;
}

/*
==========================================
9. Intro Section Styles
==========================================
*/
.intro-section {
    background-color: var(--header-bg-color);
    color: var(--primary-color-text);
    padding: 3rem 0 12rem;
    text-align: center;
    width: 100vw;
    position: relative;
    left: 50%;
    transform: translateX(-50%);
    margin-top: -2rem;
    clip-path: polygon(0 0, 100% 0, 100% 85%, 50% 100%, 0 85%);
}

.main-app-content>section:first-child {
    margin-top: 0 !important;
}

.intro-section .container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.intro-section .main-heading {
    font-family: var(--font-bungee);
    font-weight: 400;
    font-style: normal;
    color: var(--primary-color-text);
    font-size: 3.2rem;
    line-height: 1.2;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 1.5rem;
}

.intro-section .main-heading .year-highlight {
    color: var(--primary-color-text);
    display: inline-block;
    background-color: var(--year-highlight-bg-color);
    padding: 0 0.5rem;
    border-radius: 5px;
}

.intro-section .intro-paragraph {
    color: var(--year-header-color);
    font-size: 1.1rem;
    font-weight: 500;
    max-width: 800px;
    margin: 0 auto 1rem auto;
}

.intro-section .intro-paragraph .brand-name {
    color: var(--primary-color-text);
    display: inline-block;
    background-color: var(--year-highlight-bg-color);
    padding: 0 0.3rem;
    border-radius: 5px;
}

.intro-paragraph.how-to-use {
    background-color: var(--surface-color);
    color: var(--text-dark-color);
    text-align: left;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    max-width: 850px;
    margin: 2rem auto 0 auto;
    position: relative;
    z-index: 10;
    border: none;
}

.intro-paragraph.how-to-use strong {
    color: var(--header-bg-color);
    font-size: 1.22rem;
}

[data-theme="dark"] .intro-paragraph.how-to-use {
    background-color: var(--surface-color);
    color: var(--text-primary-color);
    box-shadow: var(--shadow-lg);
}

[data-theme="dark"] .intro-paragraph.how-to-use strong {
    color: var(--strong-text-dark-theme);
}

/*
==========================================
10. Calculator Section
==========================================
*/
#mpesa-calc .section-heading {
    font-family: var(--font-bungee);
    font-weight: 400;
    font-size: 2.5rem;
    color: var(--text-primary-color);
    letter-spacing: 1px;
}

#mpesa-calc .card-styled {
    background-color: var(--surface-color);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--border-color-light);
    transition: background-color var(--transition-speed-normal), border-color var(--transition-speed-normal);
}

[data-theme="dark"] #mpesa-calc .card-styled {
    box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.2);
}

.calculator-tabs-nav {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    background-color: var(--surface-alt-color);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
}

.tab-link {
    flex: 1;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius-md);
    font-weight: 600;
    color: var(--text-secondary-color);
    border: 2px solid transparent;
    transition: all var(--transition-speed-normal) var(--transition-type);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.tab-link:hover,
.tab-link:focus {
    background-color: var(--surface-color);
    color: var(--text-primary-color);
    outline: none;
}

.tab-link.active {
    background-color: var(--primary-color);
    color: var(--primary-color-text);
    box-shadow: 0 4px 10px -2px rgba(67, 176, 42, 0.4);
}

.tab-content-wrapper {
    margin-top: var(--spacing-lg);
}

.calculator-content-area {
    display: none;
}

.calculator-content-area.active-tab-panel {
    display: block;
}

.calculator-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-xl);
}

.calculator-input-panel {
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    background-color: var(--surface-alt-color);
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.calculator-results-panel {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

/*
==========================================
11. Card Styles (within the calculator)
==========================================
*/
.calculator-results-panel .card-styled {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color-light);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.results-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.smart-insights-card {
    background-color: var(--success-bg-color);
    border-left: 5px solid var(--success-color);
}

[data-theme="dark"] .smart-insights-card {
    border-left-color: var(--primary-color);
}

/*
==========================================
12. Form Element Styles
==========================================
*/
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    font-weight: 600;
    color: var(--text-secondary-color);
    margin-bottom: var(--spacing-sm);
    font-size: 0.9rem;
}

.form-input,
.form-select {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-md);
    background-color: var(--surface-color);
    color: var(--text-primary-color);
    font-size: 1rem;
    transition: border-color var(--transition-speed-fast), box-shadow var(--transition-speed-fast);
}

.form-input:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(67, 176, 42, 0.2);
}

.quick-amounts {
    margin-bottom: var(--spacing-lg);
}

.quick-amounts-label {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-secondary-color);
    margin-right: var(--spacing-sm);
}

.quick-amount-btn {
    padding: var(--spacing-xs) var(--spacing-md);
    background-color: var(--surface-color);
    color: var(--text-secondary-color);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-weight: 500;
    transition: all var(--transition-speed-fast);
}

.quick-amount-btn:hover,
.quick-amount-btn:focus {
    background-color: var(--primary-color);
    color: var(--primary-color-text);
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(67, 176, 42, 0.2);
}

.radio-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.radio-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: background-color var(--transition-speed-fast);
}

.radio-label:hover {
    background-color: var(--surface-color);
}

.radio-label input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.radio-label span {
    position: relative;
    padding-left: 28px;
}

.radio-label span::before,
.radio-label span::after {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    border-radius: 50%;
    transition: all var(--transition-speed-fast);
}

.radio-label span::before {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
}

.radio-label span::after {
    width: 10px;
    height: 10px;
    left: 5px;
    background-color: var(--primary-color);
    transform: translateY(-50%) scale(0);
}

.radio-label input[type="radio"]:checked+span::before {
    border-color: var(--primary-color);
}

.radio-label input[type="radio"]:checked+span::after {
    transform: translateY(-50%) scale(1);
}

.tooltip-icon {
    color: var(--text-muted-color);
    margin-left: auto;
}

.form-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-xl);
}

.btn {
    padding: var(--spacing-md);
    font-weight: 700;
    border-radius: var(--border-radius-md);
    transition: all var(--transition-speed-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.btn:hover:not([disabled]) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(67, 176, 42, 0.3);
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--primary-color-text);
}

.btn-primary:hover:not([disabled]) {
    background-color: var(--primary-color-dark);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-outline:hover:not([disabled]) {
    background-color: var(--primary-color);
    color: var(--primary-color-text);
}

.btn-link {
    color: var(--text-secondary-color);
    margin-top: var(--spacing-md);
    text-decoration: none;
}

.btn-link:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

.error-message-box,
.info-message-box {
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    margin-top: var(--spacing-sm);
    font-weight: 500;
}

.error-message-box {
    background-color: var(--error-bg-color);
    color: var(--error-color);
    border: 1px solid var(--error-color);
}

.info-message-box {
    background-color: var(--info-bg-color);
    color: var(--info-color);
    border: 1px solid var(--info-color);
}

/*
==========================================
13. Results, Insights & Limits Styles
==========================================
*/
.results-table-wrapper .placeholder-text,
.smart-insights-area .placeholder-text {
    color: var(--text-muted-color);
    text-align: center;
    padding: var(--spacing-xl) 0;
}

.results-table-wrapper ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.results-table-wrapper li {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--spacing-md);
    align-items: center;
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color-light);
}

.results-table-wrapper li span:first-child {
    color: var(--text-secondary-color);
    font-weight: 500;
}

.results-table-wrapper li span:last-child {
    font-weight: 700;
    font-size: 1.3rem;
    color: var(--primary-color);
    font-family: var(--font-secondary);
}

.limits-list {
    padding: 0;
    margin: 0;
}

.limits-list li {
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color-light);
}

.limits-list li:last-child {
    border-bottom: none;
}

/*
==========================================
25. "What-If" Cost-Saving Simulator Section
==========================================
*/

#cost-saving-simulator-section .section-heading {
    font-family: var(--font-bungee);
    font-weight: 400;
    font-size: 2.5rem;
    color: var(--text-primary-color);
    letter-spacing: 1px;
}

#cost-saving-simulator-section .content-section.card-styled {
    background-color: var(--surface-color);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--border-color-light);
    overflow: hidden;
}

/* --- Simulator Tabs --- */
.simulator-tabs-nav {
    display: flex;
    gap: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.simulator-tab-link {
    padding: var(--spacing-md) var(--spacing-lg);
    font-weight: 600;
    color: var(--text-secondary-color);
    border-bottom: 3px solid transparent;
    margin-bottom: -1px; /* Aligns with the parent border */
    transition: all var(--transition-speed-fast) ease-in-out;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.simulator-tab-link:hover {
    color: var(--text-primary-color);
}

.simulator-tab-link.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.simulator-tab-pane {
    display: none;
}

.simulator-tab-pane.active {
    display: block;
    animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}


/* --- General Simulator Grid Layout --- */
.simulator-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--spacing-xl);
    align-items: flex-start;
}

.simulator-intro {
    text-align: center;
    padding: var(--spacing-lg);
}

.simulator-intro .fa-magic, 
.simulator-intro .fa-file-invoice-dollar,
.simulator-intro .fa-stopwatch-20,
.simulator-intro .fa-link {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    display: inline-block;
    background: var(--primary-color-light);
    width: 80px;
    height: 80px;
    line-height: 80px;
    border-radius: 50%;
}

[data-theme="dark"] .simulator-intro .fa-magic,
[data-theme="dark"] .simulator-intro .fa-file-invoice-dollar,
[data-theme="dark"] .simulator-intro .fa-stopwatch-20,
[data-theme="dark"] .simulator-intro .fa-link {
     background: var(--primary-color-light);
     color: var(--primary-color);
}

.simulator-intro h3 {
    font-family: var(--font-primary);
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--text-primary-color);
    margin-bottom: var(--spacing-sm);
}

.simulator-intro p {
    color: var(--text-secondary-color);
    font-size: 1rem;
    line-height: 1.6;
}

/* --- Results Wrappers --- */
.simulator-results-wrapper {
    grid-column: 1 / -1;
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px dashed var(--border-color);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: stretch;
}

.simulator-results-wrapper.hidden {
    display: none;
}

.simulator-result {
    background-color: var(--surface-alt-color);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-md);
    text-align: center;
    display: flex;
    flex-direction: column;
}

.simulator-result h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-secondary-color);
    margin-bottom: var(--spacing-sm);
}

.simulator-result p {
    color: var(--text-secondary-color);
    font-size: 0.9rem;
    flex-grow: 1;
    margin-bottom: var(--spacing-md);
}

.cost-display {
    font-family: var(--font-secondary);
    font-size: 2rem;
    font-weight: 700;
}

.current-plan .cost-display {
    color: var(--error-color);
}

.improved-plan {
    background-color: var(--success-bg-color);
    border: 2px solid var(--success-color);
}

.improved-plan .cost-display {
    color: var(--success-color);
}

.improved-plan h4 {
    color: var(--success-color);
}

.simulator-savings-summary {
    grid-column: 1 / -1;
    background: var(--primary-color-light);
    border: 2px dashed var(--primary-color);
    color: var(--primary-color-dark);
    text-align: center;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

[data-theme="dark"] .simulator-savings-summary {
    background: var(--primary-color-light);
    color: var(--primary-color-dark);
}

.simulator-savings-summary .fa-piggy-bank,
.simulator-savings-summary .fa-trophy,
.simulator-savings-summary .fa-cut {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.simulator-savings-summary p {
    font-size: 1.2rem;
    font-weight: 500;
    margin: 0;
}

.simulator-savings-summary strong {
    font-size: 1.5rem;
    font-weight: 700;
    display: block;
    margin-top: var(--spacing-xs);
}

/* --- Hustler's Ledger Specific Styles --- */
.ledger-results {
    grid-template-columns: repeat(3, 1fr);
}

.ledger-summary {
    grid-column: 1 / -1;
}

/* --- Fuliza Forecaster Specific Styles --- */
.fuliza-results-summary {
    grid-column: 1 / -1;
    text-align: center;
}
.fuliza-cost-breakdown {
    font-size: 0.9rem;
    color: var(--text-secondary-color);
    margin-top: var(--spacing-sm);
}

/*
==========================================
Responsive Styles for Simulator
==========================================
*/
@media (max-width: 900px) {
    .simulator-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .simulator-intro {
        padding-right: 0;
        border-right: none;
        padding-bottom: var(--spacing-lg);
        border-bottom: 1px solid var(--border-color);
    }

    .simulator-tool {
        padding-left: 0;
    }
}

@media (max-width: 768px) {
    .ledger-results {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    .simulator-results-wrapper {
        grid-template-columns: 1fr;
    }
}


/*
==========================================
14. Charts & Historical Data Section
==========================================
*/
.charts-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
}

.chart-title {
    text-align: center;
    font-size: 1rem;
    color: var(--text-secondary-color);
    margin-bottom: var(--spacing-md);
}


/*
==========================================
15. Historical Archive Section
==========================================
*/

/* Fixed CSS for wavy background */
        #historical-archive-section {
            padding: var(--spacing-xxl) 0;
        }

        #historical-archive-section .section-heading {
            font-family: var(--font-bungee);
            font-weight: 400;
            color: var(--text-primary-color);
            margin-bottom: var(--spacing-xl);
            font-size: 2.5rem;
            text-align: center;
            max-width: var(--container-max-width);
            margin-left: auto;
            margin-right: auto;
            padding: 0 var(--spacing-lg);
        }

        #historical-archive-section .historical-background-wrapper {
            background-color: var(--header-bg-color);
            padding: 10rem 0;
            position: relative;
            z-index: 1;
            width: 100vw;
            left: 50%;
            transform: translateX(-50%);
        }

        /* FIXED: Better pseudo-element positioning and sizing */
        #historical-archive-section .historical-background-wrapper::before,
        #historical-archive-section .historical-background-wrapper::after {
            content: '';
            position: absolute;
            left: 0;
            width: 100%;
            height: 100px; /* Increased height for better visibility */
            background-size: cover;
            background-repeat: no-repeat;
            background-position: center;
            z-index: 2; /* Reduced z-index to avoid conflicts */
        }

        /* FIXED: Top wave with proper positioning */
        #historical-archive-section .historical-background-wrapper::before {
            top: -2px; /* Slightly adjusted for better alignment */
            transform: scaleY(-1);
        }

        /* FIXED: Bottom wave with proper positioning */
        #historical-archive-section .historical-background-wrapper::after {
            bottom: -2px; /* Slightly adjusted for better alignment */
        }

        /* Light theme waves - using CSS variables for dynamic colors */
        :root #historical-archive-section .historical-background-wrapper::before {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 320'%3e%3cpath fill='%23f8f9fa' fill-opacity='1' d='M0,224L48,208C96,192,192,160,288,165.3C384,171,480,213,576,240C672,267,768,277,864,256C960,235,1056,181,1152,165.3C1248,149,1344,171,1392,181.3L1440,192L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z'%3e%3c/path%3e%3c/svg%3e");
        }

        :root #historical-archive-section .historical-background-wrapper::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 320'%3e%3cpath fill='%23f8f9fa' fill-opacity='1' d='M0,224L48,208C96,192,192,160,288,165.3C384,171,480,213,576,240C672,267,768,277,864,256C960,235,1056,181,1152,165.3C1248,149,1344,171,1392,181.3L1440,192L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z'%3e%3c/path%3e%3c/svg%3e");
        }

        /* Dark theme waves */
        [data-theme="dark"] #historical-archive-section .historical-background-wrapper::before {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 320'%3e%3cpath fill='%23121212' fill-opacity='1' d='M0,224L48,208C96,192,192,160,288,165.3C384,171,480,213,576,240C672,267,768,277,864,256C960,235,1056,181,1152,165.3C1248,149,1344,171,1392,181.3L1440,192L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z'%3e%3c/path%3e%3c/svg%3e");
        }

        [data-theme="dark"] #historical-archive-section .historical-background-wrapper::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 320'%3e%3cpath fill='%23121212' fill-opacity='1' d='M0,224L48,208C96,192,192,160,288,165.3C384,171,480,213,576,240C672,267,768,277,864,256C960,235,1056,181,1152,165.3C1248,149,1344,171,1392,181.3L1440,192L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z'%3e%3c/path%3e%3c/svg%3e");
        }

        #historical-archive-section .historical-background-wrapper .container {
            max-width: var(--container-max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-lg);
        }

        #historical-archive-section .content-section.card-styled {
            position: relative;
            z-index: 10;
            box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
            background-color: var(--surface-color);
            padding: var(--spacing-xl);
            border-radius: var(--border-radius-lg);
        }

.historical-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

#historical-chart-title {
    margin-bottom: var(--spacing-xs);
    color: var(--text-secondary-color);
}

.historical-main-figure {
    font-size: 2rem;
    font-weight: 700;
    margin: 0;
}

.historical-main-figure #historical-main-charge {
    color: var(--primary-color);
}

#historical-update-timestamp {
    font-size: 0.85rem;
    color: var(--text-muted-color);
    margin: 0;
}

.historical-header .quick-amounts .year-btn.active {
    background-color: var(--primary-color);
    color: var(--primary-color-text);
    border-color: var(--primary-color);
}

#historical-chart-container {
    padding: var(--spacing-lg) 0;
}

.historical-tool-wrapper {
    margin-top: var(--spacing-xl);
}

.historical-interactive-tool {
    background-color: var(--surface-alt-color);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
}

.historical-interactive-tool h3 {
    text-align: center;
    color: var(--text-primary-color);
    margin-bottom: var(--spacing-xs);
}

.historical-interactive-tool p {
    text-align: center;
    color: var(--text-secondary-color);
    margin-bottom: var(--spacing-lg);
}

.historical-tool-form {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    align-items: end;
    gap: var(--spacing-md);
}

.historical-tool-form .form-group {
    margin: 0;
}

#historical-comparison-results {
    margin-top: var(--spacing-lg);
    text-align: center;
    background-color: var(--surface-color);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-md);
    border: 1px solid var(--border-color);
}

#historical-comparison-results .placeholder-text {
    padding: 0;
    margin: 0;
    color: var(--text-muted-color);
}
.inflation-toggle-wrapper {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.inflation-toggle-wrapper .form-label {
    margin-bottom: 0;
    font-weight: 600;
    color: var(--text-secondary-color);
}

.switch {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 34px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: .4s;
}

.slider:before {
    position: absolute;
    content: "";
    height: 26px;
    width: 26px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .4s;
}

input:checked + .slider {
    background-color: var(--primary-color);
}

input:focus + .slider {
    box-shadow: 0 0 1px var(--primary-color);
}

input:checked + .slider:before {
    transform: translateX(26px);
}

.slider.round {
    border-radius: 34px;
}

.slider.round:before {
    border-radius: 50%;
}

/*
==========================================
16. Full Tariffs Table Styles
==========================================
*/
#tariffs-section .section-heading {
    font-family: var(--font-bungee);
    font-weight: 400;
    font-size: 2.5rem;
    color: var(--text-primary-color);
    letter-spacing: 1px;
}

#tariffs-section .content-section.card-styled {
    background-color: var(--surface-color);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--border-color-light);
}

.static-table-card-wrapper {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.tariff-table-controls .form-group {
    position: relative;
    margin: 0;
}

.tariff-table-controls .form-group::before {
    content: '\f002';
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    position: absolute;
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted-color);
    z-index: 2;
    pointer-events: none;
}

#tariff-search-input {
    padding-left: calc(var(--spacing-md) * 2.5);
}

.table-responsive-wrapper {
    width: 100%;
    overflow-x: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
}

.styled-table {
    width: 100%;
    border-collapse: collapse;
    white-space: nowrap;
}

.styled-table th,
.styled-table td {
    padding: var(--spacing-md);
    text-align: left;
}

.styled-table thead {
    background-color: var(--surface-alt-color);
    border-bottom: 2px solid var(--border-color);
}

.styled-table th {
    font-weight: 700;
    color: var(--text-secondary-color);
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.5px;
}

.styled-table tbody tr {
    border-bottom: 1px solid var(--border-color-light);
    transition: background-color var(--transition-speed-fast);
}

.styled-table tbody tr:nth-of-type(even) {
    background-color: var(--surface-alt-color);
}

.styled-table tbody tr:hover {
    background-color: var(--primary-color-light);
}

[data-theme="dark"] .styled-table tbody tr:hover {
    background-color: rgba(67, 176, 42, 0.15);
}

.static-content-panel {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.btn.btn-small {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.9rem;
}

.btn-secondary {
    background-color: var(--text-secondary-color);
    color: var(--primary-color-text);
}

.btn-secondary:hover {
    background-color: var(--text-primary-color);
}
/* --- Main Controls Wrapper --- */
.tariff-table-controls {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    align-items: flex-end;
    padding: var(--spacing-lg);
    background-color: var(--surface-alt-color);
    border-radius: var(--border-radius-lg);
    margin-bottom: var(--spacing-lg);
}

/* --- Comparison Controls Group --- */
.tariff-comparison-controls {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-end;
    flex-wrap: wrap;
    flex-grow: 1;
}

.tariff-comparison-controls .form-group {
    margin-bottom: 0;
    flex: 1 1 150px; /* Allow shrinking and growing */
}

.tariff-comparison-controls .form-label {
    font-size: 0.85rem;
    font-weight: 500;
}

.tariff-comparison-controls .btn {
    height: auto;
    padding: 0.75rem 1.5rem; /* Match form input height */
    flex-shrink: 0;
}

/* --- Search Input Group --- */
.tariff-search-control {
    flex: 1 1 300px; /* Allow search to take more space */
    margin-bottom: 0;
}

#tariff-search-input {
    height: 100%;
}


/* --- Table Cell Highlighting --- */
#tariffs-section .table-comparison-mode td.increase {
    background-color: rgba(220, 53, 69, 0.1);
    color: var(--error-color);
    font-weight: 700;
    position: relative;
}

#tariffs-section .table-comparison-mode td.increase::after {
    content: '\f062'; /* Font Awesome arrow up */
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    margin-left: var(--spacing-sm);
    font-size: 0.8em;
}

#tariffs-section .table-comparison-mode td.decrease {
    background-color: rgba(40, 167, 69, 0.1);
    color: var(--success-color);
    font-weight: 700;
    position: relative;
}

#tariffs-section .table-comparison-mode td.decrease::after {
    content: '\f063'; /* Font Awesome arrow down */
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    margin-left: var(--spacing-sm);
    font-size: 0.8em;
}

/*
==========================================
17. Smart Optimizer Suite
==========================================
*/
#smart-optimizer-suite {
    padding: var(--spacing-xxl) 0;
}

#smart-optimizer-suite .section-heading {
    font-family: var(--font-bungee);
    font-weight: 400;
    font-size: 2.5rem;
    color: var(--text-primary-color);
    letter-spacing: 1px;
}

#smart-optimizer-suite .wellness-background-wrapper {
    background-color: var(--header-bg-color);
    padding: 10rem 0;
    position: relative;
    z-index: 1;
    width: 100vw;
    left: 50%;
    transform: translateX(-50%);
}

#smart-optimizer-suite .container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.wellness-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    position: relative;
    z-index: 2;
}

.wellness-grid>.card-styled {
    background-color: var(--surface-color);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition-speed-normal), box-shadow var(--transition-speed-normal);
    display: flex;
    flex-direction: column;
}

.wellness-grid>.card-styled:hover {
    transform: translateY(-5px);
}

.card-sub-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.25rem;
    color: var(--text-primary-color);
    margin-bottom: var(--spacing-md);
}

.card-sub-title i {
    color: var(--primary-color);
}

.utility-description {
    color: var(--text-secondary-color);
    font-size: 1rem;
    margin-bottom: auto;
    padding-bottom: var(--spacing-lg);
}

.financial-wellness-card .fa-lightbulb {
    font-size: 1.5rem;
    color: var(--warning-color);
}

.financial-wellness-card p {
    color: var(--text-secondary-color);
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 0;
}

.utility-buttons {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.utility-buttons .btn[disabled] {
    background-color: var(--surface-alt-color);
    border-color: var(--border-color);
    color: var(--text-muted-color);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

[data-theme="dark"] .utility-buttons .btn[disabled] {
    background-color: var(--surface-alt-color);
    color: var(--text-muted-color);
}

#share-link-output {
    margin-top: var(--spacing-lg);
    font-size: 0.9rem;
    word-break: break-all;
}

.optimizer-card .fa-route,
.optimizer-card .fa-gas-pump {
    color: var(--info-color);
}

.optimizer-form {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
    margin-top: var(--spacing-md);
}

.optimizer-form .form-group {
    flex-grow: 1;
    margin-bottom: 0;
}

.optimizer-form .form-input {
    height: 100%;
}

.optimizer-form .btn {
    flex-shrink: 0;
}

.optimizer-results-area {
    margin-top: var(--spacing-lg);
    background-color: var(--surface-alt-color);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    font-size: 0.95rem;
    min-height: 50px;
}

.optimizer-results-area ul {
    list-style-type: none;
    padding: 0;
    margin: 0;
}

.optimizer-results-area li {
    padding: var(--spacing-xs) 0;
}

.optimizer-results-area .total-cost {
    font-weight: 700;
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--border-color);
    color: var(--primary-color);
}

/*
==========================================
17. Guides & Resource Hub Section
==========================================
*/
#joweni-guides-section {
    padding-bottom: var(--spacing-xxl);
}

#joweni-guides-section .section-heading {
    font-family: var(--font-bungee);
    font-weight: 400;
    font-size: 2.5rem;
    color: var(--text-primary-color);
    letter-spacing: 1px;
    max-width: var(--container-max-width);
    margin-left: auto;
    margin-right: auto;
    padding: 0 var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

#joweni-guides-section .guides-background-wrapper {
    background-color: var(--guides-bg-color);
    padding: 8rem 0;
    position: relative;
    z-index: 1;
    width: 100vw;
    left: 50%;
    transform: translateX(-50%);
    box-shadow: inset 0 10px 15px -10px rgba(0, 0, 0, 0.1), inset 0 -10px 15px -10px rgba(0, 0, 0, 0.1);
}

#joweni-guides-section .guides-background-wrapper .container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

#joweni-guides-section .content-section.card-styled {
    background-color: var(--surface-color);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    border: 1px solid var(--border-color-light);
    position: relative;
    z-index: 2;
}

.guides-tabs-nav {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    background-color: var(--surface-alt-color);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
}

.guide-tab-link {
    flex: 1;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius-md);
    font-weight: 600;
    color: var(--text-secondary-color);
    transition: all var(--transition-speed-normal) var(--transition-type);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.guide-tab-link:hover,
.guide-tab-link:focus {
    background-color: var(--surface-color);
    color: var(--text-primary-color);
    outline: none;
}

.guide-tab-link.active {
    background-color: var(--primary-color);
    color: var(--primary-color-text);
    box-shadow: 0 4px 10px -2px rgba(67, 176, 42, 0.4);
}

.guides-content-area {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-lg);
    border: 1px solid var(--border-color-light);
    border-radius: var(--border-radius-md);
}

.guide-content {
    display: none;
}

.guide-content.active {
    display: block;
}

#guide-about-2025,
#guide-international {
    --line-height-notebook: 2.5rem;
    font-family: var(--font-handwriting);
    font-size: 1.2rem;
    line-height: var(--line-height-notebook);
    background-color: #fffef9;
    color: #3d3d3d;
    padding: var(--spacing-xl) var(--spacing-xl) var(--spacing-xl) 3rem;
    border-radius: var(--border-radius-sm);
    border-left: 3px solid #d9534f;
    background-image: linear-gradient(to bottom, transparent 0%, transparent calc(var(--line-height-notebook) - 1px), #e0e0e0 1px);
    background-size: 100% var(--line-height-notebook);
}

.guide-content h3,
.guide-content h4,
.guide-content h5 {
    font-family: var(--font-primary);
    color: var(--text-primary-color);
    margin-bottom: var(--line-height-notebook);
}

.guide-content p {
    font-size: inherit;
    line-height: inherit;
    margin-bottom: var(--line-height-notebook);
}

.guide-content strong {
    font-weight: 700;
    color: var(--header-bg-color);
}

.guide-content ul {
    list-style: none;
    padding-left: 2.5rem;
}

.guide-content li {
    position: relative;
    margin-bottom: var(--line-height-notebook);
}

.guide-content li::before {
    content: '•';
    position: absolute;
    left: -1.5rem;
    top: 0;
    color: var(--primary-color);
    font-weight: bold;
    font-family: var(--font-primary);
}

.guide-content .styled-table {
    font-family: var(--font-primary);
    font-size: 1rem;
    white-space: normal;
    background: #fff;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.guide-content .styled-table th,
.guide-content .styled-table td {
    padding: var(--spacing-sm) var(--spacing-md);
}

#guide-infographics .infographic-gallery {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-lg);
}

#guide-infographics .infographic-gallery img {
    max-width: 400px;
    width: 100%;
    height: auto;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-lg);
    border: 5px solid var(--surface-color);
}
/*
==========================================
18. FAQ Section
==========================================
*/
#faq-section {
    padding: var(--spacing-xxl) 0;
}

#faq-section .section-heading {
    font-family: var(--font-bungee);
    font-weight: 400;
    color: var(--text-primary-color);
    margin-bottom: var(--spacing-xl);
    font-size: 2.5rem;
    text-align: center;
    max-width: var(--container-max-width);
    margin-left: auto;
    margin-right: auto;
    padding: 0 var(--spacing-lg);
}

#faq-section .content-section.card-styled {
    background-color: var(--surface-color);
    border-radius: var(--border-radius-lg);
    padding: 0 var(--spacing-xl);
    box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--border-color-light);
    max-width: var(--container-max-width);
    margin: 0 auto;
}

.faq-items-container {
    display: flex;
    flex-direction: column;
}

.faq-item {
    border-bottom: 1px solid var(--border-color-light);
}

.faq-item:last-child {
    border-bottom: none;
}

.faq-question {
    margin: 0;
}

.faq-question-btn {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: var(--spacing-lg);
    text-align: left;
    color: var(--text-primary-color);
    transition: background-color var(--transition-speed-fast);
    background-color: transparent;
}

.faq-item:hover .faq-question-btn,
.faq-question-btn:focus {
    background-color: var(--surface-alt-color);
    outline: none;
}

.faq-question-text {
    font-size: 1.1rem;
    font-weight: 600;
    font-family: var(--font-primary);
    padding-right: var(--spacing-md);
    line-height: 1.4;
}

.faq-toggle-icon {
    position: relative;
    width: 22px;
    height: 22px;
    flex-shrink: 0;
    margin-left: var(--spacing-md);
    transition: transform 0.3s cubic-bezier(0.68, -0.55, 0.27, 1.55);
}

.faq-toggle-icon::before,
.faq-toggle-icon::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 18px;
    height: 3px;
    background-color: var(--text-secondary-color);
    border-radius: 2px;
    transform: translate(-50%, -50%);
    transition: transform 0.3s ease-in-out;
}

.faq-toggle-icon::after {
    transform: translate(-50%, -50%) rotate(90deg);
}

.faq-question-btn[aria-expanded="true"] .faq-toggle-icon {
    transform: rotate(45deg);
}

.faq-answer {
    overflow: hidden;
    max-height: 0;
    transition: max-height 0.5s ease-in-out, padding 0.5s ease-in-out;
    padding: 0 var(--spacing-lg);
}

.faq-item.item-is-open .faq-answer {
    max-height: 1000px;
    padding: 0 var(--spacing-lg) var(--spacing-lg) var(--spacing-lg);
}

.faq-answer p {
    color: var(--text-secondary-color);
    line-height: 1.7;
    margin: 0;
    overflow-wrap: break-word;
    word-wrap: break-word;
}

/*
==========================================
20. Footer Section
==========================================
*/

/*
==========================================
21. Footer Section
==========================================
*/
.app-footer {
    background-color: var(--header-bg-color);
    color: var(--primary-color-text);
    padding: var(--spacing-xxl) 0;
    margin-top: var(--spacing-xxl);
}

.footer-top {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-xl);
}

.footer-column p {
    color: var(--year-header-color);
    line-height: 1.7;
}

.footer-heading {
    font-size: 1.2rem;
    color: var(--primary-color-text);
    margin-bottom: var(--spacing-lg);
    position: relative;
    padding-bottom: var(--spacing-sm);
}

.footer-heading::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background-color: var(--primary-color);
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a {
    color: var(--year-header-color);
    font-weight: 500;
    text-decoration: none;
    transition: color var(--transition-speed-fast), padding-left var(--transition-speed-fast);
}

.footer-links a:hover,
.footer-links a:focus {
    color: var(--primary-color-text);
    padding-left: var(--spacing-sm);
    text-decoration: none;
    outline: none;
}

.footer-social-row {
    text-align: center;
    padding: var(--spacing-xl) 0;
    margin-top: var(--spacing-xl);
    border-top: 1px solid var(--header-border-color);
}

.footer-social-row .footer-heading {
    margin-bottom: var(--spacing-md);
    text-align: center;
    display: inline-block; /* Allows the ::after element to be centered correctly */
}

.footer-social-row .footer-heading::after {
    left: 50%;
    transform: translateX(-50%);
}

.social-icons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
}

.social-icon {
    color: var(--primary-color-text);
    font-size: 1.8rem;
    transition: transform 0.3s, color 0.3s;
}

.social-icon:hover {
    transform: scale(1.2) translateY(-3px);
    text-decoration: none;
}

.social-icon.twitter:hover { color: #1DA1F2; }
.social-icon.facebook:hover { color: #1877F2; }
.social-icon.instagram:hover { color: #E4405F; }
.social-icon.linkedin:hover { color: #0A66C2; }


.footer-bottom {
    padding-top: var(--spacing-xl);
    margin-top: var(--spacing-xl);
    border-top: 1px solid var(--header-border-color);
    text-align: center;
    font-size: 0.9rem;
    color: var(--logo-icon-color);
}

.footer-bottom p {
    margin: 0.5rem 0;
    line-height: 1.5;
}


/*
==========================================
21. Modals
==========================================
*/
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    z-index: 2000;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-md);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-speed-normal), visibility var(--transition-speed-normal);
}

.modal-overlay:not(.hidden) {
    opacity: 1;
    visibility: visible;
}

.modal-dialog {
    background-color: var(--surface-color);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    max-width: 500px;
    width: 100%;
    transform: scale(0.95);
    transition: transform var(--transition-speed-normal) var(--transition-type);
}

.modal-overlay:not(.hidden) .modal-dialog {
    transform: scale(1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.modal-title-text {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0;
}

.modal-close {
    font-size: 2rem;
    font-weight: 300;
    color: var(--text-muted-color);
    line-height: 1;
    transition: color 0.2s;
}

.modal-close:hover {
    color: var(--text-primary-color);
}

.modal-body-content {
    padding: var(--spacing-lg);
    line-height: 1.7;
    color: var(--text-secondary-color);
}

/*
=================================================================
22. Embeddable Instance Specific Styles
=================================================================
*/
.embed-results-card {
    background-color: var(--surface-alt-color);
    border: 1px solid var(--border-color-light);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md);
    margin-top: var(--spacing-lg);
    min-height: 80px;
    box-shadow: var(--shadow-inset);
}

.embed-results-card .placeholder-text {
    color: var(--text-muted-color);
    text-align: center;
    padding: var(--spacing-md) 0;
    margin: 0;
    font-size: 0.9rem;
}

.embed-results-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.embed-results-card li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1rem;
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color-light);
}

.embed-results-card li:last-child {
    border-bottom: none;
}

.embed-results-card .result-label {
    color: var(--text-secondary-color);
    font-weight: 500;
}

.embed-results-card .result-value {
    font-weight: 700;
    font-family: var(--font-secondary);
    color: var(--primary-color);
    font-size: 1.1rem;
}

.embed-results-card li.total {
    font-weight: bold;
    color: var(--text-primary-color);
    padding-top: var(--spacing-sm);
}

.embed-results-card li.total .result-value {
    font-size: 1.2rem;
}

.embed-wrapper .error-message-box {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    margin-top: var(--spacing-sm);
    font-size: 0.85rem;
    border-left-width: 4px;
}


/*
=================================================================
23. Combined Media Queries
=================================================================
*/
@media (max-width: 1024px) {
    .main-nav {
        display: none;
    }

    .header-actions {
        gap: 0.5rem;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .intro-section .main-heading {
        font-size: 2.8rem;
    }

    .calculator-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .results-columns,
    .charts-columns {
        grid-template-columns: 1fr;
    }

    .historical-header {
        flex-direction: column;
        gap: var(--spacing-lg);
        align-items: flex-start;
    }

    .safaricom-direct-contact {
        border-left: none;
        border-top: 1px solid var(--border-color);
    }
}

@media (max-width: 768px) {
    .logo-area a {
        font-size: 1.1rem;
    }

    .logo-icon {
        font-size: 1.5rem;
    }

    .app-header {
        padding: 0.25rem 0;
    }

    .header-top-row {
        padding-bottom: 0.25rem;
    }

    .intro-section {
        padding: 2rem 0 10rem;
        clip-path: polygon(0 0, 100% 0, 100% 90%, 50% 100%, 0 90%);
    }

    .intro-section .main-heading {
        font-size: 2rem;
        line-height: 1.3;
    }

    .intro-section .intro-paragraph {
        font-size: 1rem;
    }

    .intro-section .container {
        padding: 0 1rem;
    }

    #mpesa-calc .section-heading,
    #historical-archive-section .section-heading,
    #tariffs-section .section-heading,
    #faq-section .section-heading,#joweni-guides-section .section-heading,
    #smart-optimizer-suite .section-heading,
    #wellness-utilities-section .section-heading,
    #contact-us-section .section-heading {
        font-size: 2rem;
    }

    .calculator-tabs-nav,
    .guides-tabs-nav {
        flex-direction: column;
    }
    #mpesa-calc .card-styled,
    #historical-archive-section .content-section.card-styled,
    #tariffs-section .content-section.card-styled,
    #faq-section .content-section.card-styled,  #joweni-guides-section .content-section.card-styled,
    #smart-optimizer-suite .wellness-grid>.card-styled,
    #wellness-utilities-section .wellness-grid>.card-styled,
    #contact-us-section .content-section.card-styled {
        padding: var(--spacing-lg);
    }

    .historical-tool-form {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    #historical-archive-section .historical-background-wrapper,
     #joweni-guides-section .guides-background-wrapper,
    #smart-optimizer-suite .wellness-background-wrapper,
    #wellness-utilities-section .wellness-background-wrapper {
        padding: 6rem 0;
    }

    #historical-archive-section .historical-background-wrapper::before,
    #historical-archive-section .historical-background-wrapper::after {
        height: 60px;
    }

    .table-responsive-wrapper {
        box-shadow: inset -10px 0 8px -8px rgba(0, 0, 0, 0.05);
    }
}

@media (max-width: 480px) {
    .app-brand-title {
        display: none;
    }

    .logo-area a {
        gap: 1rem;
    }

    .title-year-header {
        font-size: 1.25rem;
    }

    .header-actions {
        gap: 1rem;
    }

    .intro-section .main-heading {
        font-size: 1.6rem;
        letter-spacing: 0.5px;
    }

    .intro-section .intro-paragraph {
        font-size: 0.95rem;
    }

    .intro-section .container {
        padding: 0;
    }

    .main-app-content>.container>section {
        padding-left: 0;
        padding-right: 0;
    }

    #mpesa-calc .card-styled,
    #historical-archive-section .content-section.card-styled,
    #tariffs-section .content-section.card-styled,
    #faq-section .content-section.card-styled,
    #smart-optimizer-suite .wellness-grid>.card-styled,
    #joweni-guides-section .content-section.card-styled,
    #wellness-utilities-section .wellness-grid>.card-styled,
    #contact-us-section .content-section.card-styled {
        border-radius: 0;
        padding: var(--spacing-md);
    }

     .calculator-tabs-nav,
    .guides-tabs-nav {
        flex-direction: column;
        padding: var(--spacing-md);
        border-radius: 0;
    }

     .tab-link,
    .guide-tab-link {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.9rem;
        border-radius: var(--border-radius-sm);
    }

    #mpesa-calc .section-heading,
    #historical-archive-section .section-heading,
    #tariffs-section .section-heading,
    #faq-section .section-heading,
    #smart-optimizer-suite .section-heading,
     #joweni-guides-section .section-heading,
    #wellness-utilities-section .section-heading,
    #contact-us-section .section-heading {
        font-size: 1.8rem;
        padding: 0 var(--spacing-md);
    }

    .historical-header .quick-amounts {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(60px, 1fr));
        gap: var(--spacing-sm);
        width: 100%;
    }

    .static-content-panel {
        flex-direction: column;
        align-items: stretch;
    }

    .styled-form .form-row {
        grid-template-columns: 1fr;
    }

    /* Specific adjustments for .guides-content-area and .blog-card for full width */
    #joweni-guides-section .guides-background-wrapper .container {
        padding: 0;
        /* Remove container padding for guides background wrapper */
    }

    .guides-content-area {
        padding: var(--spacing-md);
        /* Reduced padding for content area */
        border-radius: 0;
        /* Remove border-radius */
    }

    #guide-about-2025,
    #guide-international {
        padding: var(--spacing-md) var(--spacing-md) var(--spacing-md) calc(var(--spacing-md) + 25px);
        /* Adjust notebook padding */
        border-radius: 0;
        /* Remove border-radius */
        font-size: 1rem;
        /* Further reduce font size for readability */
        --line-height-notebook: 2rem;
        /* Adjust line height for smaller font */
    }

    .guide-content strong {
        font-size: 1.1rem;
        /* Ensure strong text is still clear */
    }

    .guide-content ul,
    .guide-content ol {
        padding-left: var(--spacing-md);
        /* Adjust list padding */
    }

    .guide-content li::before {
        left: -1rem;
        /* Adjust bullet position */
    }
    .faq-answer {
        padding: 0 var(--spacing-md) var(--spacing-md) var(--spacing-md);
    }

    .faq-question-btn {
        padding: var(--spacing-md);
    }

    .table-responsive-wrapper {
        box-shadow: inset -10px 0 10px -8px rgba(0, 0, 0, 0.2);
    }}