/* ===== CSB Ceylon Saving Bank - Main Stylesheet ===== */
:root {
    --primary: #0a1628;
    --primary-light: #1a2d4a;
    --accent: #c9a84c;
    --accent-light: #e6c968;
    --accent-glow: rgba(201, 168, 76, 0.3);
    --success: #2ecc71;
    --danger: #e74c3c;
    --info: #3498db;
    --bg: #f0f2f5;
    --card: #ffffff;
    --text: #2c3e50;
    --text-light: #7f8c8d;
    --shadow: 0 10px 30px rgba(0,0,0,0.08);
    --shadow-hover: 0 20px 40px rgba(0,0,0,0.15);
    --radius: 16px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Poppins', sans-serif; background: var(--bg); color: var(--text); min-height: 100vh; }
a { text-decoration: none; color: inherit; }

/* ===== Animations ===== */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideInLeft { from { opacity: 0; transform: translateX(-40px); } to { opacity: 1; transform: translateX(0); } }
@keyframes slideInRight { from { opacity: 0; transform: translateX(40px); } to { opacity: 1; transform: translateX(0); } }
@keyframes pulse { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.05); } }
@keyframes shimmer { 0% { background-position: -200% 0; } 100% { background-position: 200% 0; } }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

.fade-in-up { animation: fadeInUp 0.6s ease forwards; }
.fade-in { animation: fadeIn 0.5s ease forwards; }
.slide-left { animation: slideInLeft 0.5s ease forwards; }
.slide-right { animation: slideInRight 0.5s ease forwards; }

/* ===== Login / Register Page ===== */
.auth-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 50%, #0d2137 100%);
    padding: 20px;
    position: relative;
    overflow: hidden;
}
.auth-wrapper::before {
    content: '';
    position: absolute;
    width: 400px; height: 400px;
    background: radial-gradient(circle, var(--accent-glow), transparent);
    top: -100px; right: -100px;
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}
.auth-wrapper::after {
    content: '';
    position: absolute;
    width: 300px; height: 300px;
    background: radial-gradient(circle, rgba(52, 152, 219, 0.15), transparent);
    bottom: -80px; left: -80px;
    border-radius: 50%;
    animation: float 8s ease-in-out infinite reverse;
}

.auth-box {
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(20px);
    border-radius: var(--radius);
    padding: 50px 40px;
    width: 100%;
    max-width: 480px;
    box-shadow: var(--shadow-hover);
    animation: fadeInUp 0.8s ease;
    position: relative;
    z-index: 1;
}
.auth-box .logo {
    text-align: center;
    margin-bottom: 30px;
}
.auth-box .logo h1 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: 3px;
}
.auth-box .logo h1 span { color: var(--accent); }
.auth-box .logo p {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-top: 5px;
}

.form-group {
    margin-bottom: 20px;
    position: relative;
}
.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    font-size: 0.85rem;
    color: var(--text);
}
.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid #e8e8e8;
    border-radius: 10px;
    font-family: 'Poppins', sans-serif;
    font-size: 0.95rem;
    transition: var(--transition);
    background: #fafafa;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 4px var(--accent-glow);
    outline: none;
    background: #fff;
}
.form-group .input-icon {
    position: absolute;
    right: 16px;
    top: 42px;
    color: var(--text-light);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border: none;
    border-radius: 10px;
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}
.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    width: 100%;
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(10, 22, 40, 0.3);
}
.btn-accent {
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    color: var(--primary);
}
.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--accent-glow);
}
.btn-outline {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}
.btn-outline:hover {
    background: var(--primary);
    color: #fff;
}
.btn-danger {
    background: var(--danger);
    color: #fff;
}
.btn-success {
    background: var(--success);
    color: #fff;
}
.btn-sm { padding: 8px 16px; font-size: 0.85rem; }

.auth-box .links {
    text-align: center;
    margin-top: 20px;
    font-size: 0.9rem;
    color: var(--text-light);
}
.auth-box .links a {
    color: var(--accent);
    font-weight: 600;
    transition: var(--transition);
}
.auth-box .links a:hover { color: var(--primary); }

/* ===== Dashboard Layout ===== */
.dashboard {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 280px;
    background: linear-gradient(180deg, var(--primary) 0%, var(--primary-light) 100%);
    color: #fff;
    padding: 30px 0;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 100;
    transition: var(--transition);
}
.sidebar .brand {
    text-align: center;
    padding: 0 20px 30px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.sidebar .brand h2 {
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: 2px;
}
.sidebar .brand h2 span { color: var(--accent); }
.sidebar .brand p { font-size: 0.75rem; color: rgba(255,255,255,0.6); margin-top: 4px; }

.sidebar .user-info {
    padding: 25px 20px;
    text-align: center;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.sidebar .user-info .avatar {
    width: 70px; height: 70px;
    border-radius: 50%;
    background: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 10px;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary);
}
.sidebar .user-info h4 { font-size: 1rem; font-weight: 600; }
.sidebar .user-info p { font-size: 0.8rem; color: rgba(255,255,255,0.6); }

.sidebar nav { padding: 20px 0; }
.sidebar nav a {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 30px;
    color: rgba(255,255,255,0.7);
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition);
    border-left: 3px solid transparent;
}
.sidebar nav a:hover, .sidebar nav a.active {
    background: rgba(255,255,255,0.08);
    color: #fff;
    border-left-color: var(--accent);
}
.sidebar nav a i { font-size: 1.1rem; width: 24px; text-align: center; }

/* Main content */
.main-content {
    margin-left: 280px;
    flex: 1;
    padding: 30px;
    min-height: 100vh;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    animation: fadeIn 0.5s ease;
}
.topbar h2 { font-size: 1.6rem; font-weight: 700; color: var(--primary); }
.topbar .date { color: var(--text-light); font-size: 0.9rem; }

.hamburger {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--primary);
    cursor: pointer;
}

/* ===== Cards ===== */
.stat-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
    margin-bottom: 30px;
}
.stat-card {
    background: var(--card);
    border-radius: var(--radius);
    padding: 28px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.stat-card::after {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 4px;
    background: linear-gradient(90deg, var(--accent), var(--accent-light));
}
.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}
.stat-card .icon {
    width: 50px; height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    margin-bottom: 15px;
}
.stat-card .icon.blue { background: rgba(52,152,219,0.12); color: var(--info); }
.stat-card .icon.green { background: rgba(46,204,113,0.12); color: var(--success); }
.stat-card .icon.gold { background: rgba(201,168,76,0.12); color: var(--accent); }
.stat-card .icon.red { background: rgba(231,76,60,0.12); color: var(--danger); }
.stat-card h3 { font-size: 1.8rem; font-weight: 700; color: var(--primary); }
.stat-card p { font-size: 0.85rem; color: var(--text-light); margin-top: 4px; }

/* ===== Tables ===== */
.card-box {
    background: var(--card);
    border-radius: var(--radius);
    padding: 28px;
    box-shadow: var(--shadow);
    margin-bottom: 30px;
    animation: fadeInUp 0.6s ease;
}
.card-box h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.table-responsive { overflow-x: auto; }
table {
    width: 100%;
    border-collapse: collapse;
}
table th {
    background: var(--bg);
    padding: 14px 16px;
    text-align: left;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
table td {
    padding: 14px 16px;
    border-bottom: 1px solid #f0f0f0;
    font-size: 0.9rem;
}
table tr:hover { background: #fafafa; }

.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}
.badge-success { background: rgba(46,204,113,0.12); color: var(--success); }
.badge-danger { background: rgba(231,76,60,0.12); color: var(--danger); }
.badge-info { background: rgba(52,152,219,0.12); color: var(--info); }
.badge-gold { background: rgba(201,168,76,0.12); color: var(--accent); }

/* ===== Alert Messages ===== */
.alert {
    padding: 14px 20px;
    border-radius: 10px;
    margin-bottom: 20px;
    font-size: 0.9rem;
    animation: fadeInUp 0.4s ease;
}
.alert-success { background: rgba(46,204,113,0.12); color: #27ae60; border-left: 4px solid var(--success); }
.alert-danger { background: rgba(231,76,60,0.12); color: #c0392b; border-left: 4px solid var(--danger); }
.alert-info { background: rgba(52,152,219,0.12); color: #2980b9; border-left: 4px solid var(--info); }

/* ===== Forms in cards ===== */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

/* ===== Modal ===== */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}
.modal-overlay.active { display: flex; }
.modal {
    background: #fff;
    border-radius: var(--radius);
    padding: 40px;
    max-width: 500px;
    width: 90%;
    animation: fadeInUp 0.4s ease;
    max-height: 90vh;
    overflow-y: auto;
}
.modal h3 { font-size: 1.3rem; margin-bottom: 20px; color: var(--primary); }

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        width: 260px;
    }
    .sidebar.active { transform: translateX(0); }
    .main-content { margin-left: 0; padding: 20px; }
    .hamburger { display: block; }
    .form-row { grid-template-columns: 1fr; }
    .stat-cards { grid-template-columns: 1fr; }
    .auth-box { padding: 30px 24px; }
    .topbar h2 { font-size: 1.2rem; }
}

/* ===== Print ===== */
@media print {
    .sidebar, .topbar, .btn, .hamburger, .no-print { display: none !important; }
    .main-content { margin-left: 0; padding: 0; }
    .card-box { box-shadow: none; border: 1px solid #ddd; }
}

/* ===== Overlay for mobile sidebar ===== */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.4);
    z-index: 99;
}
.sidebar-overlay.active { display: block; }

/* ===== Quick action buttons ===== */
.quick-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 16px;
    margin-bottom: 30px;
}
.quick-action {
    background: var(--card);
    border-radius: var(--radius);
    padding: 24px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    cursor: pointer;
}
.quick-action:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}
.quick-action i {
    font-size: 2rem;
    color: var(--accent);
    margin-bottom: 10px;
    display: block;
}
.quick-action span { font-weight: 600; font-size: 0.9rem; }