/* assets/css/style.css */
:root {
    --navy: #1a2a4a;
    --navy-light: #2c3e6b;
    --light-blue: #4a90d9;
    --light-blue-bg: #e8f0fe;
    --white: #ffffff;
    --black: #1a1a1a;
    --light-gray: #f5f7fa;
    --gray: #c5cbd8;
    --success: #27ae60;
    --danger: #e74c3c;
    --warning: #f39c12;
    --secondary: #95a5a6;
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    --glass-bg: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(255, 255, 255, 0.3);
    --radius: 16px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: var(--light-gray);
    color: var(--black);
    min-height: 100vh;
}

/* Glassmorphism */
.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

/* Sidebar */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 250px;
    height: 100vh;
    background: var(--navy);
    color: var(--white);
    padding: 20px 0;
    overflow-y: auto;
    z-index: 1000;
    transition: transform 0.3s ease;
}

.sidebar-brand {
    padding: 0 24px 30px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-brand h2 {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: 1px;
}

.sidebar-brand p {
    font-size: 14px;
    opacity: 0.7;
    margin-top: 4px;
}

.sidebar-nav {
    list-style: none;
    padding: 20px 0;
}

.sidebar-nav li {
    margin: 4px 12px;
}

.sidebar-nav li a {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    border-radius: 10px;
    transition: all 0.3s ease;
    font-size: 15px;
}

.sidebar-nav li a:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
}

.sidebar-nav li.active a {
    background: rgba(255, 255, 255, 0.15);
    color: var(--white);
    font-weight: 600;
}

/* Main Content */
.main-content {
    margin-left: 250px;
    padding: 24px;
    min-height: 100vh;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 24px;
    border-bottom: 2px solid rgba(0, 0, 0, 0.05);
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 12px;
}

header h1 {
    font-size: 28px;
    font-weight: 600;
    color: var(--navy);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 16px;
}

.content {
    max-width: 1400px;
    margin: 0 auto;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 24px;
}

.stat-card {
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: transform 0.2s ease;
}

.stat-card:hover {
    transform: translateY(-4px);
}

.stat-icon {
    font-size: 36px;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--light-blue-bg);
    border-radius: 12px;
}

.stat-info h3 {
    font-size: 28px;
    font-weight: 700;
    color: var(--navy);
}

.stat-info p {
    font-size: 14px;
    color: var(--secondary);
    margin-top: 2px;
}

/* Cards */
.card {
    padding: 24px;
    margin-bottom: 24px;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 12px;
}

.card-header h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--navy);
}

.card-body {
    overflow-x: auto;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s ease;
}

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

.btn-primary:hover {
    background: var(--navy-light);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(26, 42, 74, 0.3);
}

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

.btn-success:hover {
    background: #219a52;
    transform: translateY(-2px);
}

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

.btn-danger:hover {
    background: #c0392b;
}

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

.btn-secondary:hover {
    background: #b0b8c8;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 16px;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    font-size: 14px;
}

.form-group .required {
    color: var(--danger);
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    border: 2px solid #e0e4ea;
    border-radius: 8px;
    font-size: 14px;
    transition: border-color 0.3s ease;
    background: var(--white);
}

.form-control:focus {
    outline: none;
    border-color: var(--light-blue);
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23333' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
}

.form-actions {
    display: flex;
    gap: 12px;
    margin-top: 24px;
    flex-wrap: wrap;
}

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

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

table th {
    background: var(--light-gray);
    padding: 12px 16px;
    text-align: left;
    font-weight: 600;
    color: var(--navy);
    border-bottom: 2px solid #e0e4ea;
}

table td {
    padding: 12px 16px;
    border-bottom: 1px solid #eef0f4;
}

table tr:hover td {
    background: var(--light-blue-bg);
}

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

.text-muted {
    color: var(--secondary);
}

.text-success {
    color: var(--success);
}

.text-danger {
    color: var(--danger);
}

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

/* Badges */
.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-success {
    background: #d4edda;
    color: var(--success);
}

.badge-danger {
    background: #f8d7da;
    color: var(--danger);
}

.badge-warning {
    background: #fff3cd;
    color: var(--warning);
}

.badge-secondary {
    background: #e9ecef;
    color: var(--secondary);
}

/* Alerts */
.alert {
    padding: 16px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-weight: 500;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-danger {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Login Page */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
}

.login-container {
    width: 100%;
    max-width: 420px;
    padding: 20px;
}

.login-card {
    padding: 40px 36px;
    background: rgba(255, 255, 255, 0.95);
}

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.login-header h1 {
    font-size: 36px;
    font-weight: 700;
    color: var(--navy);
}

.login-header p {
    color: var(--secondary);
    font-size: 14px;
    margin-top: 4px;
}

.login-footer {
    text-align: center;
    margin-top: 24px;
    font-size: 13px;
    color: var(--secondary);
}

/* Quick Actions */
.quick-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 24px;
}

/* Attendance Form */
.attendance-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 24px;
}

.attendance-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    gap: 16px;
    flex-wrap: wrap;
    background: rgba(255, 255, 255, 0.6);
    transition: all 0.2s ease;
}

.attendance-item:hover {
    background: rgba(255, 255, 255, 0.9);
}

.attendance-check {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
    min-width: 200px;
}

.attendance-check input[type="checkbox"] {
    width: 24px;
    height: 24px;
    cursor: pointer;
    accent-color: var(--navy);
}

.attendance-check label {
    cursor: pointer;
    display: flex;
    flex-direction: column;
}

.member-name {
    font-size: 16px;
    font-weight: 500;
}

.member-detail {
    font-size: 13px;
    color: var(--secondary);
}

.attendance-time {
    display: flex;
    align-items: center;
    gap: 8px;
}

.attendance-time label {
    font-size: 13px;
    color: var(--secondary);
}

.attendance-time input[type="time"] {
    padding: 6px 10px;
    border: 2px solid #e0e4ea;
    border-radius: 6px;
    font-size: 14px;
    width: 100px;
    background: var(--white);
}

.attendance-time input[type="time"]:disabled {
    background: #f5f7fa;
    opacity: 0.6;
}

.attendance-status {
    min-width: 100px;
    text-align: right;
}

/* Form Footer */
.form-footer {
    border-top: 2px solid #e0e4ea;
    padding-top: 20px;
    margin-top: 12px;
}

.form-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 12px;
    margin-bottom: 20px;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    padding: 8px 12px;
    background: var(--light-gray);
    border-radius: 6px;
    font-size: 14px;
}

.summary-item span {
    color: var(--secondary);
}

.summary-item strong {
    color: var(--navy);
}

/* Recap */
.recap-summary {
    text-align: center;
    margin-bottom: 24px;
}

.recap-summary h4 {
    font-size: 22px;
    color: var(--navy);
    margin-bottom: 16px;
}

.recap-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 12px;
}

.stat-item {
    padding: 12px;
    background: var(--light-gray);
    border-radius: 8px;
}

.stat-item .label {
    display: block;
    font-size: 12px;
    color: var(--secondary);
}

.stat-item .value {
    display: block;
    font-size: 24px;
    font-weight: 700;
    color: var(--navy);
    margin-top: 4px;
}

/* Filter Grid */
.filter-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    align-items: end;
}

/* Status Info */
.status-info p {
    margin: 8px 0;
    font-size: 15px;
}

/* Action Buttons */
.action-buttons {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        width: 280px;
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
        padding: 16px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .attendance-item {
        flex-direction: column;
        align-items: stretch;
    }
    
    .attendance-check {
        min-width: unset;
    }
    
    .attendance-status {
        text-align: left;
    }
    
    .filter-grid {
        grid-template-columns: 1fr;
    }
    
    header h1 {
        font-size: 22px;
    }
    
    .form-summary {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--light-gray);
}

::-webkit-scrollbar-thumb {
    background: var(--gray);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary);
}