/* Admin Styles */
:root {
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --success-color: #38a169;
    --warning-color: #d69e2e;
    --danger-color: #e53e3e;
    --text-primary: #2d3748;
    --text-secondary: #718096;
    --background-light: #f7fafc;
    --border-color: #e2e8f0;
    --shadow-light: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-heavy: 0 10px 15px rgba(0, 0, 0, 0.1);
}

/* Admin Header Styles */
.header {
    background: linear-gradient(135deg, #1a365d 0%, #2d3748 100%);
    color: white;
    padding: 1rem 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.logo-img {
    width: 50px;
    height: 50px;
    border-radius: 10px;
    object-fit: cover;
}

.logo h1 {
    font-size: 1.8rem;
    font-weight: 700;
    margin: 0;
    background: linear-gradient(135deg, #ffffff, #e2e8f0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header-nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-link {
    color: white;
    text-decoration: none;
    font-weight: 500;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

/* Admin Login Styles */
.admin-login-container {
    min-height: calc(100vh - 120px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.admin-login-card {
    background: white;
    border-radius: 20px;
    padding: 3rem;
    box-shadow: var(--shadow-heavy);
    max-width: 450px;
    width: 100%;
    text-align: center;
}

.login-header {
    margin-bottom: 2rem;
}

.admin-icon {
    font-size: 4rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.login-header h1 {
    font-size: 2.5rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.login-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin: 0;
}

.admin-login-form {
    text-align: left;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.input-group {
    position: relative;
    display: flex;
    align-items: center;
}

.input-group i {
    position: absolute;
    left: 1rem;
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.input-group input {
    width: 100%;
    padding: 1rem 1rem 1rem 3rem;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 400;
    transition: all 0.3s ease;
    background: #ffffff;
    color: #2d3748;
}

.input-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    background: #ffffff;
}

.input-group input::placeholder {
    color: var(--text-secondary);
    opacity: 0.7;
}

.input-group input:not(:placeholder-shown) {
    color: #2d3748;
    font-weight: 500;
}

/* Enhanced input styling for better visibility */
.input-group input {
    border: 2px solid #e2e8f0;
    background: #ffffff;
    color: #2d3748;
    font-size: 1rem;
    font-weight: 400;
}

.input-group input:hover {
    border-color: #cbd5e0;
}

.input-group input:focus {
    border-color: var(--primary-color);
    background: #ffffff;
    color: #2d3748;
    font-weight: 500;
}

.btn-full {
    width: 100%;
    padding: 1rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 12px;
    transition: all 0.3s ease;
}

.btn-full:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.login-footer {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.login-footer p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.back-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.back-link:hover {
    color: var(--secondary-color);
    transform: translateX(-5px);
}

/* Admin Dashboard Styles */
.admin-dashboard {
    background: var(--background-light);
    min-height: 100vh;
}

.admin-header {
    background: linear-gradient(135deg, #1a365d 0%, #2d3748 100%);
    color: white;
    padding: 1.5rem 2rem;
    box-shadow: var(--shadow-medium);
}

.admin-header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
}

.admin-logo h1 {
    font-size: 1.8rem;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 1rem;
}

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

.admin-user-info span {
    font-weight: 500;
}

.logout-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.logout-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

.admin-main {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

.admin-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: white;
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: var(--shadow-light);
    border-left: 4px solid var(--primary-color);
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-medium);
}

.stat-card.pending {
    border-left-color: var(--warning-color);
}

.stat-card.approved {
    border-left-color: var(--success-color);
}

.stat-card.rejected {
    border-left-color: var(--danger-color);
}

.stat-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.stat-icon {
    font-size: 2rem;
    color: var(--primary-color);
}

.stat-card.pending .stat-icon {
    color: var(--warning-color);
}

.stat-card.approved .stat-icon {
    color: var(--success-color);
}

.stat-card.rejected .stat-icon {
    color: var(--danger-color);
}

.stat-title {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.transfers-section {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: var(--shadow-light);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.section-title {
    font-size: 1.8rem;
    color: var(--text-primary);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.transfers-filters {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.filter-select {
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background: white;
    font-size: 0.9rem;
    min-width: 150px;
    transition: all 0.3s ease;
}

.filter-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.transfers-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.transfers-table th,
.transfers-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid #e2e8f0;
    border-right: 1px solid #e2e8f0;
}

.transfers-table th:last-child,
.transfers-table td:last-child {
    border-right: none;
}

.transfers-table th {
    background: var(--primary-color);
    font-weight: 600;
    color: white;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.8rem;
}

.transfers-table td {
    background: white;
    color: #2d3748;
    font-weight: 400;
}

.transfers-table tr:hover td {
    background: #f7fafc;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-badge.pending {
    background: #fef5e7;
    color: #744210;
}

.status-badge.pending_approval {
    background: #e6fffa;
    color: #234e52;
}

.status-badge.completed {
    background: #c6f6d5;
    color: #22543d;
}

.status-badge.failed {
    background: #fed7d7;
    color: #742a2a;
}

.status-badge.cancelled {
    background: #e2e8f0;
    color: #2d3748;
}

.action-buttons {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.btn-approve {
    background: var(--success-color);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-approve:hover {
    background: #2f855a;
    transform: translateY(-1px);
}

.btn-reject {
    background: var(--danger-color);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-reject:hover {
    background: #c53030;
    transform: translateY(-1px);
}

.btn-view {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-view:hover {
    background: #5a67d8;
    transform: translateY(-1px);
}

/* Responsive Design */
@media (max-width: 768px) {
    .admin-login-container {
        padding: 1rem;
    }
    
    .admin-login-card {
        padding: 2rem;
    }
    
    .admin-header-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .admin-stats {
        grid-template-columns: 1fr;
    }
    
    .section-header {
        flex-direction: column;
        text-align: center;
    }
    
    .transfers-filters {
        justify-content: center;
    }
    
    .transfers-table {
        font-size: 0.9rem;
    }
    
    .transfers-table th,
    .transfers-table td {
        padding: 0.75rem 0.5rem;
    }
    
    .action-buttons {
        flex-direction: column;
    }
    
    .header-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
        padding: 0 1rem;
    }
    
    .logo h1 {
        font-size: 1.5rem;
    }
    
    .header-nav {
        flex-direction: column;
        gap: 1rem;
    }
}

/* Modal Styles */
.modal {
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: white;
    border-radius: 16px;
    padding: 0;
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: var(--shadow-heavy);
}

.modal-header {
    padding: 1.5rem 2rem;
    border-bottom: 1px solid #e2e8f0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #ffffff;
}

.modal-header h3 {
    margin: 0;
    color: #2d3748;
    font-size: 1.5rem;
    font-weight: 600;
}

.close {
    color: #718096;
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s ease;
}

.close:hover {
    color: #2d3748;
}

.modal-body {
    padding: 2rem;
}

.transfer-details {
    display: grid;
    gap: 1rem;
    color: #2d3748;
}

.transfer-details h4 {
    color: #2d3748;
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    border-bottom: 2px solid #e2e8f0;
    padding-bottom: 0.5rem;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    background: #f7fafc;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
}

.detail-row strong {
    color: #2d3748;
    font-weight: 600;
}

.detail-row span {
    color: #4a5568;
    font-weight: 400;
}