:root {
    --primary-color: #FF6600; /* Saffron - RSS Orange */
    --secondary-color: #FF9933; /* Light Saffron */
    --accent-color: #FFD700; /* Golden Yellow */
    --sacred-orange: #FF9933; /* Bhagwa color */
    --navy-blue: #000080; /* Deep blue */
    --text-dark: #2C3E50;
    --text-light: #7F8C8D;
    --background-light: #FFF8F0;
    --background-white: #FFFFFF;
    --border-color: #E8E8E8;
    --success-color: #FF9933; /* Changed from green to saffron */
    --error-color: #E74C3C;
    --warning-color: #F39C12;
    --info-color: #FF8C42; /* Saffron variant */
}

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

body {
    font-family: 'Segoe UI', 'Devanagari', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #FFF8DC 0%, #FFEAA7 20%, #FFE4B5 40%, #FFF8F0 100%);
    color: var(--text-dark);
    line-height: 1.6;
    min-height: 100vh;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 20%, rgba(255, 102, 0, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 153, 51, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 60%, rgba(255, 215, 0, 0.1) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

/* Header Styles */
.header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--sacred-orange) 50%, var(--secondary-color) 100%);
    color: white;
    padding: 1rem 0;
    box-shadow: 0 4px 20px rgba(255, 102, 0, 0.3);
    position: relative;
}

.header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(to right, var(--primary-color), var(--accent-color), var(--secondary-color));
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 1rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-icon {
    width: 50px;
    height: 50px;
    background: var(--accent-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: var(--text-dark);
    font-size: 1.2rem;
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

.logo-text h1 {
    font-size: 1.5rem;
    font-weight: 700;
}

.logo-text p {
    font-size: 0.9rem;
    opacity: 0.9;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-avatar {
    width: 40px;
    height: 40px;
    background: var(--accent-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-dark);
    font-weight: bold;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

/* Navigation */
.nav {
    background: var(--background-white);
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.nav-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.nav-menu {
    display: flex;
    gap: 2rem;
    list-style: none;
    flex-wrap: wrap;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    transition: all 0.3s;
    display: block;
}

.nav-menu a:hover,
.nav-menu a.active {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 102, 0, 0.2);
}

/* Main Content */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

/* Cards */
.card {
    background: var(--background-white);
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
    overflow: hidden;
    margin-bottom: 2rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

.card-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 1.5rem;
}

.card-header h2 {
    font-size: 1.3rem;
    font-weight: 600;
}

.card-body {
    padding: 1.5rem;
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-dark);
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 5px;
    font-size: 1rem;
    transition: all 0.3s;
    background: var(--background-white);
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    line-height: 1;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

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

.btn-primary:hover {
    background: #E55A2B;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(229, 90, 43, 0.3);
}

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

.btn-secondary:hover {
    background: #E6842A;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(230, 132, 42, 0.3);
}

.btn-success {
    background: var(--success-color);
    color: white;
}

.btn-success:hover {
    background: #E6842A;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(230, 132, 42, 0.3);
}

.btn-danger {
    background: var(--error-color);
    color: white;
}

.btn-danger:hover {
    background: #D62C1A;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(214, 44, 26, 0.3);
}

.btn-warning {
    background: var(--warning-color);
    color: white;
}

.btn-warning:hover {
    background: #E08E0B;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(224, 142, 11, 0.3);
}

.btn-info {
    background: var(--info-color);
    color: white;
}

.btn-info:hover {
    background: #E6752A;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(230, 117, 42, 0.3);
}

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

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

/* Grid System */
.row {
    display: flex;
    flex-wrap: wrap;
    margin: -0.5rem;
}

.col-1 { flex: 0 0 8.333333%; max-width: 8.333333%; }
.col-2 { flex: 0 0 16.666667%; max-width: 16.666667%; }
.col-3 { flex: 0 0 25%; max-width: 25%; }
.col-4 { flex: 0 0 33.333333%; max-width: 33.333333%; }
.col-6 { flex: 0 0 50%; max-width: 50%; }
.col-8 { flex: 0 0 66.666667%; max-width: 66.666667%; }
.col-9 { flex: 0 0 75%; max-width: 75%; }
.col-12 { flex: 0 0 100%; max-width: 100%; }

[class*="col-"] {
    padding: 0.5rem;
}

/* Login Page Specific Styles */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    padding: 1rem;
}

.login-card {
    background: var(--background-white);
    border-radius: 15px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    overflow: hidden;
    width: 100%;
    max-width: 400px;
    animation: slideUp 0.5s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-header {
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--primary-color) 100%);
    padding: 2rem;
    text-align: center;
    color: var(--text-dark);
}

.login-logo {
    width: 80px;
    height: 80px;
    background: var(--background-white);
    border-radius: 50%;
    margin: 0 auto 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary-color);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

/* File Upload Styles */
.upload-area {
    border: 3px dashed var(--border-color);
    border-radius: 10px;
    padding: 2rem;
    text-align: center;
    background: var(--background-light);
    transition: all 0.3s;
    cursor: pointer;
}

.upload-area:hover,
.upload-area.dragover {
    border-color: var(--primary-color);
    background: rgba(255, 107, 53, 0.05);
}

.upload-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Tables */
.table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

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

.table th {
    background: var(--background-light);
    font-weight: 600;
    color: var(--text-dark);
}

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

/* Alerts */
.alert {
    padding: 1rem;
    border-radius: 5px;
    margin-bottom: 1rem;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.alert-success {
    background: rgba(255, 153, 51, 0.1);
    color: var(--success-color);
    border: 1px solid rgba(255, 153, 51, 0.2);
}

.alert-danger {
    background: rgba(231, 76, 60, 0.1);
    color: var(--error-color);
    border: 1px solid rgba(231, 76, 60, 0.2);
}

.alert-warning {
    background: rgba(243, 156, 18, 0.1);
    color: var(--warning-color);
    border: 1px solid rgba(243, 156, 18, 0.2);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
}

.modal-content {
    background-color: var(--background-white);
    margin: 5% auto;
    padding: 0;
    border-radius: 10px;
    width: 90%;
    max-width: 600px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
    animation: modalOpen 0.3s ease;
}

@keyframes modalOpen {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.modal-header {
    background: var(--primary-color);
    color: white;
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-body {
    padding: 1.5rem;
}

.close {
    color: white;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    line-height: 1;
}

.close:hover {
    opacity: 0.7;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .logo {
        flex-direction: column;
        text-align: center;
    }
    
    .nav-menu {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .row {
        flex-direction: column;
    }
    
    [class*="col-"] {
        flex: 0 0 100%;
        max-width: 100%;
    }
    
    .login-card {
        margin: 1rem;
    }
    
    .container {
        padding: 1rem;
    }
    
    .modal-content {
        width: 95%;
        margin: 10% auto;
    }
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Badge Styles */
.badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1;
    text-align: center;
    white-space: nowrap;
    vertical-align: baseline;
    border-radius: 0.375rem;
}

.badge-primary { background-color: var(--primary-color); color: white; }
.badge-secondary { background-color: var(--secondary-color); color: white; }
.badge-success { background-color: var(--success-color); color: white; }
.badge-warning { background-color: var(--warning-color); color: white; }
.badge-danger { background-color: var(--error-color); color: white; }
.badge-info { background-color: var(--info-color); color: white; }
.badge-light { background-color: var(--background-light); color: var(--text-dark); }
.badge-white { background-color: var(--background-white); color: var(--text-dark); border: 1px solid var(--border-color); }

/* Progress Bar */
.progress {
    width: 100%;
    height: 20px;
    background-color: var(--border-color);
    border-radius: 10px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transition: width 0.3s ease;
}

/* Utility Classes */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }
.text-primary { color: var(--primary-color); }
.text-secondary { color: var(--secondary-color); }
.text-success { color: var(--success-color); }
.text-warning { color: var(--warning-color); }
.text-danger { color: var(--error-color); }
.text-info { color: var(--info-color); }
.text-muted { color: var(--text-light); }
.bg-primary { background-color: var(--primary-color); }
.bg-secondary { background-color: var(--secondary-color); }
.bg-success { background-color: var(--success-color); }
.bg-warning { background-color: var(--warning-color); }
.bg-danger { background-color: var(--error-color); }
.bg-info { background-color: var(--info-color); }
.bg-light { background-color: var(--background-light); }
.bg-white { background-color: var(--background-white); }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.justify-center { justify-content: center; }
.align-center { align-items: center; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }

/* ---- Mobile hardening (additive; desktop unaffected) ---- */
@media (max-width: 768px) {
    /* Wide admin tables scroll horizontally inside their cards instead of
       clipping action buttons off-screen. */
    .card-body,
    .user-table,
    .files-table {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    .card-body > .table,
    .user-table > .table,
    .files-table > .table {
        min-width: 620px;
    }
    .table th,
    .table td {
        padding: 0.5rem;
        font-size: 0.9rem;
    }
    .table .btn {
        margin-bottom: 0.25rem;
    }

    /* Header user block wraps instead of overflowing. */
    .user-info {
        flex-wrap: wrap;
        justify-content: center;
        text-align: center;
    }
    .logo-text h1 {
        font-size: 1.1rem;
    }

    /* Filter rows stack vertically. */
    .filters .filter-row {
        flex-direction: column;
        align-items: stretch;
    }

    /* Pagination wraps instead of overflowing. */
    .pagination {
        flex-wrap: wrap;
    }

    /* Stat grids go single column on very small screens. */
    .stats-grid,
    .user-stats,
    .stats-cards,
    .quick-actions {
        grid-template-columns: 1fr;
    }

    /* Long Hindi file names / paths wrap instead of pushing layout wide. */
    .file-details,
    .file-card,
    h1, h2, h3, h4 {
        overflow-wrap: anywhere;
    }

    /* File cards stack preview above details. */
    .file-card {
        flex-direction: column;
    }
    .file-actions {
        flex-direction: row;
        flex-wrap: wrap;
    }

    /* Upload category tabs scroll horizontally instead of squeezing. */
    .category-tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    .category-tab {
        white-space: nowrap;
    }

    /* Login / error cards fit narrow screens. */
    .login-card,
    .error-card {
        margin: 0 0.5rem;
    }
}