/* Theme CSS for Sarvjan Sahayog Samiti */

:root {
    /* Color Palette - Modern Navy Blue & Emerald Green */
    --primary: #10b981; /* Vibrant Emerald Green */
    --primary-light: #d1fae5; /* Soft Emerald Pastel */
    --primary-dark: #047857; /* Deep Rich Emerald */
    --secondary: #0f172a; /* Sleek Dark Navy Slate */
    --secondary-light: #1e293b; /* Lighter Navy Slate */
    --accent: #2563eb; /* Royal Blue Accent */
    --accent-dark: #1d4ed8;
    
    /* Backgrounds and Neutrals */
    --bg-main: #f0fdf4; /* Soft Emerald Mint Tint */
    --bg-card: #FFFFFF;
    --bg-footer: #0f172a; /* Sleek Dark Navy Slate */
    --text-main: #0f172a; /* High-contrast Navy Slate text */
    --text-muted: #64748b; /* Muted Slate gray */
    --text-light: #FFFFFF;
    --border-light: #e2e8f0; /* Slate 200 */
    
    /* System States */
    --success: #10b981; /* Emerald Green */
    --warning: #f59e0b; /* Amber */
    --danger: #ef4444; /* Red */
    --info: #2563eb; /* Royal Blue */
    
    /* Styling Utilities */
    --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.05), 0 1px 2px rgba(15, 23, 42, 0.02);
    --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.08), 0 2px 4px -1px rgba(15, 23, 42, 0.03);
    --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -2px rgba(15, 23, 42, 0.03);
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Fonts */
    --font-latin: 'Inter', sans-serif;
    --font-hindi: 'Noto Sans Devanagari', sans-serif;
}

/* Global Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    width: 100%;
    overflow-x: hidden;
}

body {
    font-family: var(--font-latin);
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* Devanagari text helpers */
.hindi-text {
    font-family: var(--font-hindi);
    font-weight: 500;
    line-height: 1.5;
}

/* Primary Layout Elements */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    gap: 0.5rem;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

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

.btn-secondary:hover {
    background-color: var(--secondary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

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

.btn-accent:hover {
    background-color: var(--accent-dark);
    transform: translateY(-2px);
}

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

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

/* Micro-animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
    animation: fadeIn 0.6s ease forwards;
}

/* Utility Cards & Grid */
.grid {
    display: grid;
    gap: 1.5rem;
}

.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

@media (max-width: 991px) {
    .grid-cols-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .grid-cols-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 768px) {
    .grid-cols-4 { grid-template-columns: 1fr; }
    .grid-cols-3 { grid-template-columns: 1fr; }
    .grid-cols-2 { grid-template-columns: 1fr; }
}

/* Header & Navigation Styles */
.top-utility-bar {
    background-color: var(--secondary);
    color: var(--text-light);
    font-size: 0.85rem;
    padding: 0.5rem 0;
    font-weight: 500;
}

.top-utility-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.sticky-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.nav-menu {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 1.5rem;
}

.nav-item {
    position: relative;
}

.nav-link {
    font-weight: 600;
    color: var(--text-main);
    padding: 1.5rem 0;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.9rem;
}

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

/* Dropdowns */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--bg-card);
    min-width: 240px;
    box-shadow: var(--shadow-lg);
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
    border-top: 3px solid var(--primary);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
    z-index: 100;
    padding: 0.5rem 0;
    list-style: none;
}

.dropdown-menu a {
    display: block;
    padding: 0.75rem 1.25rem;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-main);
    transition: var(--transition);
}

.dropdown-menu a:hover {
    background-color: var(--primary-light);
    color: var(--primary);
    padding-left: 1.5rem;
}

/* Hover effect on desktop */
@media (min-width: 992px) {
    .nav-item:hover .dropdown-menu {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
}

/* Mobile Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1010;
}

.hamburger span {
    width: 100%;
    height: 3px;
    background-color: var(--text-main);
    border-radius: 2px;
    transition: var(--transition);
}

/* Off-canvas Drawer */
.mobile-drawer {
    position: fixed;
    top: 0;
    right: -100%;
    width: 320px;
    height: 100vh;
    background-color: var(--bg-card);
    z-index: 1009;
    box-shadow: var(--shadow-lg);
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 2rem 1.5rem;
    overflow-y: auto;
}

.mobile-drawer.open {
    right: 0;
}

.drawer-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1008;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

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

/* Mobile view adjustments */
@media (max-width: 991px) {
    .nav-menu {
        display: none;
    }
    .hamburger {
        display: flex;
    }
}

/* Homepage Styles */
.hero-slider {
    position: relative;
    height: 480px;
    overflow: hidden;
    background-color: #1e293b;
    border-radius: var(--radius-md);
    margin-top: 1.5rem;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-align: center;
}

.slide.active {
    opacity: 1;
}

.slide-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 1;
}

.slide-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: 2rem;
}

.impact-banner {
    padding: 1.5rem;
    color: white;
    border-radius: var(--radius-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1rem;
}

.pool-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

.pool-legend-btn {
    padding: 0.4rem 0.8rem;
    background: white;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.pool-legend-btn:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.pool-card {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    border-top: 4px solid var(--primary);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    transition: var(--transition);
}

.pool-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.team-card {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    padding: 1.5rem;
    text-align: center;
    transition: var(--transition);
}

.team-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.video-wrapper {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 ratio */
    height: 0;
    overflow: hidden;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    background: #0f172a;
}

.video-wrapper iframe, .video-placeholder-box {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.video-placeholder-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    background: #1e293b;
}

/* Lightbox Modal */
.lightbox-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 2000;
    justify-content: center;
    align-items: center;
}

.lightbox-modal:target {
    display: flex;
}

.lightbox-content {
    max-width: 90%;
    max-height: 80%;
    border-radius: var(--radius-sm);
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 30px;
    color: white;
    font-size: 2.5rem;
    font-weight: bold;
}

/* Form Styles */
.form-group {
    margin-bottom: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.form-label {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-main);
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.95rem;
    transition: var(--transition);
    background-color: var(--bg-card);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(234, 88, 12, 0.15);
}

.form-control.is-invalid {
    border-color: var(--danger);
    background-color: rgba(239, 68, 68, 0.05);
}

.form-control.is-invalid:focus {
    box-shadow: 0 0 0 3px rgba(211, 47, 47, 0.15);
}

.invalid-feedback {
    color: var(--danger);
    font-size: 0.8rem;
    font-weight: 500;
    display: none;
}

.form-control.is-invalid + .invalid-feedback {
    display: block;
}

.upload-preview-box {
    border: 2px dashed var(--border-light);
    padding: 1.5rem;
    border-radius: var(--radius-sm);
    text-align: center;
    background-color: var(--bg-main);
    position: relative;
    cursor: pointer;
    transition: var(--transition);
}

.upload-preview-box:hover {
    border-color: var(--primary);
    background-color: var(--primary-light);
}

.preview-thumbnail {
    max-width: 120px;
    max-height: 120px;
    object-fit: contain;
    border-radius: var(--radius-sm);
    margin-top: 0.75rem;
    border: 1px solid var(--border-light);
    display: none;
}

.form-section-title {
    color: var(--secondary);
    border-bottom: 2px solid var(--secondary-light);
    padding-bottom: 0.4rem;
    margin-bottom: 1.5rem;
    margin-top: 2rem;
    font-family: var(--font-hindi);
}

.password-toggle-wrapper {
    position: relative;
}

.password-toggle-btn {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* Dashboard Styles */
.dashboard-container {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 2rem;
    margin-top: 2rem;
}

.dashboard-sidebar {
    background-color: var(--bg-card);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    padding: 1.5rem;
    height: fit-content;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.sidebar-nav-btn {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.8rem 1rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    color: var(--text-main);
    transition: var(--transition);
    border: none;
    background: transparent;
    text-align: left;
    cursor: pointer;
    font-size: 0.9rem;
    width: 100%;
}

.sidebar-nav-btn:hover, .sidebar-nav-btn.active {
    background-color: var(--primary-light);
    color: var(--primary);
}

.dashboard-content {
    background-color: var(--bg-card);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    padding: 2rem;
}

/* Status Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 50px;
}

.badge-pending {
    background-color: var(--primary-light);
    color: var(--warning);
}

.badge-verified {
    background-color: #dcfce7;
    color: var(--success);
}

.badge-rejected {
    background-color: #fee2e2;
    color: var(--danger);
}

/* Tables */
.table-responsive {
    width: 100%;
    overflow-x: auto;
}

.theme-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
    font-size: 0.9rem;
}

.theme-table th, .theme-table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-light);
}

.theme-table th {
    background-color: #f0fdf4;
    font-weight: 600;
    color: var(--text-muted);
}

@media (max-width: 991px) {
    .dashboard-container {
        grid-template-columns: 1fr;
    }
}

/* Loading Skeletons */
.skeleton {
    background: linear-gradient(90deg, #f0fdf4 25%, #d1fae5 50%, #f0fdf4 75%);
    background-size: 200% 100%;
    animation: loading-skeleton 1.5s infinite;
    border-radius: var(--radius-sm);
    display: inline-block;
}

@keyframes loading-skeleton {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

.skeleton-text {
    height: 1rem;
    width: 100%;
    margin-bottom: 0.5rem;
}

.skeleton-title {
    height: 1.5rem;
    width: 60%;
    margin-bottom: 1rem;
}

.skeleton-card {
    background: white;
    padding: 1.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

/* Typography Line Height Adjustment for Hindi text readability */
.hindi-text, body, h1, h2, h3, h4, h5, h6 {
    line-height: 1.6;
}

/* Touch Targets for Interactive Nodes (WCAG AA Compliance) */
button, .btn, a.nav-link, select, input, textarea {
    min-height: 44px;
}

.top-utility-bar a, .top-utility-bar button {
    min-height: auto; /* Allow smaller utility bar buttons */
}


/* ============================================================
   RESPONSIVE GRID HELPERS
   ============================================================ */

/* 2-column grid, stacks to 1 on mobile */
.resp-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: start;
}

/* 3-column grid */
.resp-grid-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 2rem;
    align-items: start;
}

/* 4-column grid */
.resp-grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

/* Footer 3-col: 2fr 1fr 1.5fr */
.resp-grid-footer {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: 3rem;
    align-items: start;
}

/* Section about: 1fr 1fr, center-aligned */
.resp-grid-2-center {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

/* FAQ / join: 1fr 1.4fr */
.resp-grid-faq {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 3rem;
    align-items: start;
}

/* Stats / YouTube: 1fr 1fr */
.resp-grid-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

/* Eligibility: 3fr 1fr */
.resp-grid-eligi {
    display: grid;
    grid-template-columns: 3fr 1fr;
    gap: 2rem;
    align-items: start;
}

/* Photo gallery: 4-col */
.resp-grid-gallery {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
}

/* Pool quick index: 2-col */
.resp-grid-pool-idx {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

/* Pool detail inner: 2-col */
.resp-grid-pool-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    font-size: 0.9rem;
    line-height: 1.7;
}

/* Filter form: 1fr 1fr auto */
.resp-grid-filter {
    display: grid;
    grid-template-columns: 1fr 1fr auto;
    gap: 1rem;
    align-items: end;
}

/* Dashboard profile info: 2-col */
.resp-grid-profile {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    font-size: 0.95rem;
}

/* Contact page 2-col */
.resp-grid-contact {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

/* ============================================================
   RESPONSIVE PADDING HELPERS
   ============================================================ */
.resp-pad-card {
    padding: 3rem;
}

/* ============================================================
   RESPONSIVE BREAKPOINTS
   ============================================================ */

@media (max-width: 1100px) {
    .resp-grid-footer {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 991px) {
    .resp-grid-2,
    .resp-grid-2-center,
    .resp-grid-faq,
    .resp-grid-stats {
        grid-template-columns: 1fr;
    }
    .resp-grid-3 {
        grid-template-columns: 1fr 1fr;
    }
    .resp-grid-4 {
        grid-template-columns: 1fr 1fr;
    }
    .resp-grid-sidebar {
        grid-template-columns: 1fr;
    }
    .resp-grid-footer {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .resp-grid-eligi {
        grid-template-columns: 1fr;
    }
    .resp-grid-filter {
        grid-template-columns: 1fr;
    }
    .resp-grid-contact {
        grid-template-columns: 1fr;
    }
    .resp-pad-card {
        padding: 1.75rem 1.25rem;
    }
}

@media (max-width: 768px) {
    .resp-grid-3 {
        grid-template-columns: 1fr;
    }
    .resp-grid-4 {
        grid-template-columns: 1fr 1fr;
    }
    .resp-grid-gallery {
        grid-template-columns: 1fr 1fr;
    }
    .resp-grid-pool-idx {
        grid-template-columns: 1fr;
    }
    .resp-grid-pool-detail {
        grid-template-columns: 1fr;
    }
    .resp-grid-profile {
        grid-template-columns: 1fr;
    }
    .resp-pad-card {
        padding: 1.25rem 1rem;
    }
    .hero-slider-section { min-height: 360px !important; }
}

@media (max-width: 480px) {
    .resp-grid-4 {
        grid-template-columns: 1fr;
    }
    .resp-grid-gallery {
        grid-template-columns: 1fr;
    }
    .resp-grid-filter {
        grid-template-columns: 1fr;
    }
    .resp-grid-pool-idx {
        grid-template-columns: 1fr;
    }
}

/* ============================================================
   GLOBAL RESPONSIVE IMPROVEMENTS
   ============================================================ */

img { max-width: 100%; height: auto; }

html { scroll-behavior: smooth; }

.table-responsive {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.resp-video-wrap {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
}
.resp-video-wrap iframe {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    border: none;
}

.resp-flex-wrap {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
}

/* Performance: reduce repaints */
.animate-fade-in, .slide, .pool-card, .team-card {
    will-change: opacity, transform;
}

/* Lazy loading */
img[loading="lazy"] { content-visibility: auto; }