/**
 * Tamil Calendar 2026 - Comprehensive Stylesheet
 * Mobile-first responsive design with dark/light theme support
 * Path: /home/onlineinformation/public_html/tamil-calendar/assets/css/tamil-calendar.css
 */

/* ===================================
   CSS Variables for Theme Support
   =================================== */
:root {
    /* Light theme colors */
    --tc-primary: #ff6b35;
    --tc-secondary: #f7931e;
    --tc-accent: #e63946;
    --tc-bg: #ffffff;
    --tc-bg-alt: #f8f9fa;
    --tc-text: #212529;
    --tc-text-light: #6c757d;
    --tc-border: #dee2e6;
    --tc-shadow: rgba(0, 0, 0, 0.1);
    --tc-success: #28a745;
    --tc-warning: #ffc107;
    --tc-danger: #dc3545;
    --tc-info: #17a2b8;

    /* Tamil theme colors */
    --tc-maroon: #800020;
    --tc-gold: #ffd700;
    --tc-saffron: #ff9933;

    /* Spacing */
    --tc-spacing-xs: 0.25rem;
    --tc-spacing-sm: 0.5rem;
    --tc-spacing-md: 1rem;
    --tc-spacing-lg: 1.5rem;
    --tc-spacing-xl: 2rem;
    --tc-spacing-xxl: 3rem;

    /* Typography */
    --tc-font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --tc-font-tamil: "Noto Sans Tamil", "Lohit Tamil", "Tamil MN", sans-serif;
    --tc-font-size-base: 16px;
    --tc-line-height: 1.6;

    /* Border radius */
    --tc-radius-sm: 0.25rem;
    --tc-radius-md: 0.5rem;
    --tc-radius-lg: 1rem;

    /* Transitions */
    --tc-transition: all 0.3s ease;
}

/* Dark theme */
[data-theme="dark"] {
    --tc-bg: #1a1a1a;
    --tc-bg-alt: #2d2d2d;
    --tc-text: #e0e0e0;
    --tc-text-light: #a0a0a0;
    --tc-border: #404040;
    --tc-shadow: rgba(0, 0, 0, 0.3);
}

/* ===================================
   Reset & Base Styles
   =================================== */
.tamil-calendar-wrapper * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

.tamil-calendar-wrapper {
    font-family: var(--tc-font-family);
    font-size: var(--tc-font-size-base);
    line-height: var(--tc-line-height);
    color: var(--tc-text);
    background-color: var(--tc-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===================================
   Typography
   =================================== */
.tamil-calendar-wrapper h1,
.tamil-calendar-wrapper h2,
.tamil-calendar-wrapper h3,
.tamil-calendar-wrapper h4 {
    margin-bottom: var(--tc-spacing-md);
    font-weight: 700;
    line-height: 1.2;
}

.tamil-calendar-wrapper h1 { font-size: 2rem; }
.tamil-calendar-wrapper h2 { font-size: 1.75rem; }
.tamil-calendar-wrapper h3 { font-size: 1.5rem; }
.tamil-calendar-wrapper h4 { font-size: 1.25rem; }

.tamil-text {
    font-family: var(--tc-font-tamil);
    font-size: 1.1em;
}

.tamil-title {
    font-family: var(--tc-font-tamil);
    font-size: 1.5em;
    font-weight: 700;
    color: var(--tc-maroon);
}

/* ===================================
   Layout
   =================================== */
.tamil-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--tc-spacing-md);
}

.tamil-grid {
    display: grid;
    gap: var(--tc-spacing-lg);
}

/* Two column layout for desktop */
@media (min-width: 768px) {
    .tamil-grid-2col {
        grid-template-columns: 1fr 300px;
    }
}

.tamil-card {
    background: var(--tc-bg-alt);
    border: 1px solid var(--tc-border);
    border-radius: var(--tc-radius-md);
    padding: var(--tc-spacing-lg);
    box-shadow: 0 2px 8px var(--tc-shadow);
    transition: var(--tc-transition);
}

.tamil-card:hover {
    box-shadow: 0 4px 16px var(--tc-shadow);
    transform: translateY(-2px);
}

.tamil-card-header {
    margin-bottom: var(--tc-spacing-md);
    padding-bottom: var(--tc-spacing-sm);
    border-bottom: 2px solid var(--tc-primary);
}

.tamil-card-title {
    font-size: 1.5rem;
    color: var(--tc-primary);
    margin: 0;
}

/* ===================================
   Navigation & Breadcrumb
   =================================== */
.tamil-breadcrumb {
    margin-bottom: var(--tc-spacing-lg);
    padding: var(--tc-spacing-sm) 0;
}

.tamil-breadcrumb ol {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--tc-spacing-sm);
}

.tamil-breadcrumb li:not(:last-child)::after {
    content: "›";
    margin-left: var(--tc-spacing-sm);
    color: var(--tc-text-light);
}

.tamil-breadcrumb a {
    color: var(--tc-primary);
    text-decoration: none;
}

.tamil-breadcrumb a:hover {
    text-decoration: underline;
}

.tamil-nav {
    display: flex;
    gap: var(--tc-spacing-md);
    margin-bottom: var(--tc-spacing-xl);
    flex-wrap: wrap;
}

.tamil-nav-link {
    padding: var(--tc-spacing-sm) var(--tc-spacing-lg);
    background: var(--tc-primary);
    color: white;
    text-decoration: none;
    border-radius: var(--tc-radius-md);
    transition: var(--tc-transition);
    font-weight: 600;
}

.tamil-nav-link:hover {
    background: var(--tc-accent);
    transform: translateY(-2px);
}

.tamil-nav-link.active {
    background: var(--tc-maroon);
}

/* ===================================
   Today's Calendar Display
   =================================== */
.tamil-today-header {
    text-align: center;
    padding: var(--tc-spacing-xl) var(--tc-spacing-md);
    background: linear-gradient(135deg, var(--tc-saffron), var(--tc-primary));
    color: white;
    border-radius: var(--tc-radius-lg);
    margin-bottom: var(--tc-spacing-xl);
}

.tamil-today-date {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--tc-spacing-sm);
}

.tamil-today-tamil {
    font-family: var(--tc-font-tamil);
    font-size: 1.8rem;
    margin-bottom: var(--tc-spacing-md);
}

.tamil-today-day {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* ===================================
   Calendar Data Grid
   =================================== */
.tamil-data-grid {
    display: grid;
    gap: var(--tc-spacing-md);
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.tamil-data-item {
    background: white;
    padding: var(--tc-spacing-md);
    border-left: 4px solid var(--tc-primary);
    border-radius: var(--tc-radius-sm);
    box-shadow: 0 1px 4px var(--tc-shadow);
}

.tamil-data-label {
    font-size: 0.875rem;
    color: var(--tc-text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--tc-spacing-xs);
}

.tamil-data-value {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--tc-text);
}

.tamil-data-value.highlight {
    color: var(--tc-primary);
}

/* ===================================
   Monthly Calendar Grid
   =================================== */
.tamil-month-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--tc-spacing-lg);
    padding: var(--tc-spacing-md);
    background: var(--tc-bg-alt);
    border-radius: var(--tc-radius-md);
}

.tamil-month-nav {
    display: flex;
    gap: var(--tc-spacing-md);
}

.tamil-month-nav-btn {
    padding: var(--tc-spacing-sm) var(--tc-spacing-md);
    background: var(--tc-primary);
    color: white;
    border: none;
    border-radius: var(--tc-radius-sm);
    cursor: pointer;
    font-weight: 600;
    transition: var(--tc-transition);
}

.tamil-month-nav-btn:hover {
    background: var(--tc-accent);
}

.tamil-calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 1px;
    background: var(--tc-border);
    border: 1px solid var(--tc-border);
    border-radius: var(--tc-radius-md);
    overflow: hidden;
}

.tamil-calendar-day-header {
    background: var(--tc-primary);
    color: white;
    padding: var(--tc-spacing-sm);
    text-align: center;
    font-weight: 600;
    font-size: 0.875rem;
}

.tamil-calendar-day {
    background: var(--tc-bg);
    padding: var(--tc-spacing-sm);
    min-height: 100px;
    position: relative;
    cursor: pointer;
    transition: var(--tc-transition);
}

.tamil-calendar-day:hover {
    background: var(--tc-bg-alt);
}

.tamil-calendar-day.other-month {
    opacity: 0.4;
}

.tamil-calendar-day.today {
    background: #fff3cd;
    border: 2px solid var(--tc-gold);
}

.tamil-calendar-day.festival {
    background: #ffe6f0;
}

.tamil-calendar-day.holiday {
    background: #ffebee;
}

.tamil-day-number {
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: var(--tc-spacing-xs);
}

.tamil-day-tamil {
    font-family: var(--tc-font-tamil);
    font-size: 0.75rem;
    color: var(--tc-text-light);
    margin-bottom: var(--tc-spacing-xs);
}

.tamil-day-festival {
    font-size: 0.7rem;
    color: var(--tc-accent);
    font-weight: 600;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Mobile responsive calendar */
@media (max-width: 767px) {
    .tamil-calendar-day {
        min-height: 80px;
        padding: var(--tc-spacing-xs);
    }

    .tamil-day-number {
        font-size: 1rem;
    }

    .tamil-calendar-day-header {
        font-size: 0.75rem;
        padding: var(--tc-spacing-xs);
    }
}

/* ===================================
   Festival List
   =================================== */
.tamil-festival-list {
    list-style: none;
}

.tamil-festival-item {
    display: flex;
    align-items: flex-start;
    gap: var(--tc-spacing-md);
    padding: var(--tc-spacing-md);
    margin-bottom: var(--tc-spacing-sm);
    background: var(--tc-bg-alt);
    border-left: 4px solid var(--tc-primary);
    border-radius: var(--tc-radius-sm);
    transition: var(--tc-transition);
}

.tamil-festival-item:hover {
    background: white;
    box-shadow: 0 2px 8px var(--tc-shadow);
}

.tamil-festival-item.holiday {
    border-left-color: var(--tc-danger);
}

.tamil-festival-date {
    flex-shrink: 0;
    text-align: center;
    padding: var(--tc-spacing-sm);
    background: var(--tc-primary);
    color: white;
    border-radius: var(--tc-radius-sm);
    min-width: 60px;
}

.tamil-festival-date-day {
    font-size: 1.5rem;
    font-weight: 700;
    display: block;
}

.tamil-festival-date-month {
    font-size: 0.75rem;
    text-transform: uppercase;
}

.tamil-festival-content {
    flex: 1;
}

.tamil-festival-name {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: var(--tc-spacing-xs);
    color: var(--tc-text);
}

.tamil-festival-name-tamil {
    font-family: var(--tc-font-tamil);
    color: var(--tc-primary);
}

.tamil-festival-description {
    font-size: 0.875rem;
    color: var(--tc-text-light);
    margin-bottom: var(--tc-spacing-xs);
}

.tamil-festival-badge {
    display: inline-block;
    padding: 2px 8px;
    background: var(--tc-info);
    color: white;
    font-size: 0.75rem;
    border-radius: var(--tc-radius-sm);
    margin-right: var(--tc-spacing-xs);
}

.tamil-festival-badge.holiday {
    background: var(--tc-danger);
}

/* ===================================
   Time Display Components
   =================================== */
.tamil-time-box {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: var(--tc-spacing-lg);
    border-radius: var(--tc-radius-md);
    text-align: center;
}

.tamil-time-label {
    font-size: 0.875rem;
    opacity: 0.9;
    margin-bottom: var(--tc-spacing-xs);
}

.tamil-time-value {
    font-size: 2rem;
    font-weight: 700;
    font-family: monospace;
}

.tamil-time-warning {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.tamil-time-auspicious {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

/* ===================================
   Buttons & Forms
   =================================== */
.tamil-btn {
    display: inline-block;
    padding: var(--tc-spacing-sm) var(--tc-spacing-lg);
    background: var(--tc-primary);
    color: white;
    border: none;
    border-radius: var(--tc-radius-md);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--tc-transition);
    text-align: center;
}

.tamil-btn:hover {
    background: var(--tc-accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--tc-shadow);
}

.tamil-btn-secondary {
    background: var(--tc-secondary);
}

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

.tamil-btn-outline:hover {
    background: var(--tc-primary);
    color: white;
}

.tamil-form-group {
    margin-bottom: var(--tc-spacing-md);
}

.tamil-form-label {
    display: block;
    margin-bottom: var(--tc-spacing-xs);
    font-weight: 600;
    color: var(--tc-text);
}

.tamil-form-input,
.tamil-form-select {
    width: 100%;
    padding: var(--tc-spacing-sm) var(--tc-spacing-md);
    border: 1px solid var(--tc-border);
    border-radius: var(--tc-radius-sm);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--tc-transition);
}

.tamil-form-input:focus,
.tamil-form-select:focus {
    outline: none;
    border-color: var(--tc-primary);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

/* ===================================
   Sidebar
   =================================== */
.tamil-sidebar {
    position: sticky;
    top: 20px;
}

.tamil-sidebar-section {
    margin-bottom: var(--tc-spacing-xl);
}

.tamil-sidebar-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--tc-spacing-md);
    color: var(--tc-primary);
}

/* ===================================
   Moon Phase Display
   =================================== */
.tamil-moon-phase {
    text-align: center;
    padding: var(--tc-spacing-lg);
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    color: white;
    border-radius: var(--tc-radius-md);
}

.tamil-moon-icon {
    font-size: 4rem;
    margin-bottom: var(--tc-spacing-md);
}

.tamil-moon-name {
    font-size: 1.25rem;
    font-weight: 600;
}

/* ===================================
   Advertisement Containers
   =================================== */
.tamil-ad-container {
    margin: var(--tc-spacing-xl) 0;
    text-align: center;
}

.tamil-ad-label {
    font-size: 0.75rem;
    color: var(--tc-text-light);
    text-transform: uppercase;
    margin-bottom: var(--tc-spacing-xs);
}

.tamil-ad-sidebar {
    margin: var(--tc-spacing-lg) 0;
}

/* ===================================
   Utility Classes
   =================================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: var(--tc-spacing-sm); }
.mt-2 { margin-top: var(--tc-spacing-md); }
.mt-3 { margin-top: var(--tc-spacing-lg); }

.mb-1 { margin-bottom: var(--tc-spacing-sm); }
.mb-2 { margin-bottom: var(--tc-spacing-md); }
.mb-3 { margin-bottom: var(--tc-spacing-lg); }

.p-1 { padding: var(--tc-spacing-sm); }
.p-2 { padding: var(--tc-spacing-md); }
.p-3 { padding: var(--tc-spacing-lg); }

.text-primary { color: var(--tc-primary); }
.text-secondary { color: var(--tc-secondary); }
.text-success { color: var(--tc-success); }
.text-danger { color: var(--tc-danger); }
.text-muted { color: var(--tc-text-light); }

/* ===================================
   Print Styles
   =================================== */
@media print {
    .tamil-ad-container,
    .tamil-nav,
    .tamil-sidebar,
    .tamil-breadcrumb {
        display: none !important;
    }

    .tamil-calendar-wrapper {
        font-size: 12pt;
    }

    .tamil-card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #000;
    }
}

/* ===================================
   Loading & Error States
   =================================== */
.tamil-loading {
    text-align: center;
    padding: var(--tc-spacing-xxl);
}

.tamil-loading-spinner {
    border: 4px solid var(--tc-border);
    border-top: 4px solid var(--tc-primary);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.tamil-error {
    background: #fee;
    border-left: 4px solid var(--tc-danger);
    padding: var(--tc-spacing-lg);
    border-radius: var(--tc-radius-sm);
    margin: var(--tc-spacing-lg) 0;
}

.tamil-success {
    background: #efe;
    border-left: 4px solid var(--tc-success);
    padding: var(--tc-spacing-lg);
    border-radius: var(--tc-radius-sm);
    margin: var(--tc-spacing-lg) 0;
}

/* ===================================
   Responsive Tablet
   =================================== */
@media (min-width: 768px) and (max-width: 1023px) {
    .tamil-container {
        padding: var(--tc-spacing-lg);
    }

    .tamil-today-date {
        font-size: 2rem;
    }
}

/* ===================================
   Responsive Mobile
   =================================== */
@media (max-width: 767px) {
    .tamil-container {
        padding: var(--tc-spacing-sm);
    }

    .tamil-today-header {
        padding: var(--tc-spacing-md);
    }

    .tamil-today-date {
        font-size: 1.75rem;
    }

    .tamil-today-tamil {
        font-size: 1.5rem;
    }

    .tamil-nav {
        flex-direction: column;
    }

    .tamil-nav-link {
        text-align: center;
    }

    .tamil-data-grid {
        grid-template-columns: 1fr;
    }

    .tamil-month-header {
        flex-direction: column;
        gap: var(--tc-spacing-md);
    }

    .tamil-festival-item {
        flex-direction: column;
    }

    .tamil-festival-date {
        width: 100%;
    }
}

/* ===================================
   Accessibility
   =================================== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Focus styles for keyboard navigation */
.tamil-calendar-wrapper a:focus,
.tamil-calendar-wrapper button:focus,
.tamil-calendar-wrapper input:focus,
.tamil-calendar-wrapper select:focus {
    outline: 2px solid var(--tc-primary);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .tamil-calendar-wrapper {
        border: 2px solid currentColor;
    }

    .tamil-card {
        border: 2px solid currentColor;
    }
}

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}