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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    min-height: 100vh;
    line-height: 1.6;
}

.dashboard-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header Styling */
.dashboard-header {
    background: linear-gradient(135deg, #6B46C1 0%, #8B5CF6 100%); /* Ungu Primer */
    color: white;
    padding: 2rem 0;
    position: relative;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(107, 70, 193, 0.2);
}

.dashboard-header::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 35px,
        rgba(255,255,255,0.03) 35px,
        rgba(255,255,255,0.03) 70px
    );
    animation: float 30s linear infinite;
}

@keyframes float {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    z-index: 2;
    flex-wrap: wrap;
    gap: 1rem;
}

.header-left h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    text-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

.header-left p {
    font-size: 1.1rem;
    opacity: 0.9;
}

.header-right {
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
}

/* --- PERBAIKAN STYLING TOMBOL HEADER UNTUK KONSISTENSI GRADASI --- */
.action-btn-header, .logout-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 12px 20px;
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    border: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 10px rgba(0,0,0,0.15);
    cursor: pointer;
}

/* Warna untuk Tambah Pengunjung & Tambah Admin (Hijau Gradasi) */
.add-visitor-btn, .add-admin-btn {
    background: linear-gradient(135deg, #10B981 0%, #059669 100%); /* Mirip countdown-timer hijau */
}

.add-visitor-btn:hover, .add-admin-btn:hover {
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 18px rgba(16, 185, 129, 0.25);
}

/* Warna untuk Tombol Keluar (Merah Gradasi) */
.logout-btn {
    background: linear-gradient(135deg, #EF4444 0%, #DC2626 100%); /* Mirip countdown-timer merah */
}

.logout-btn:hover {
    background: linear-gradient(135deg, #DC2626 0%, #B91C1C 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 18px rgba(239, 68, 68, 0.35);
}
/* --- AKHIR PERBAIKAN STYLING TOMBOL HEADER --- */


/* Dashboard Content */
.dashboard-content {
    flex: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 3rem 2rem;
    width: 100%;
}

.dashboard-content h2 {
    color: #1e293b;
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 2rem;
    position: relative;
    padding-bottom: 1rem;
}

.dashboard-content h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 4px;
    background: linear-gradient(135deg, #6B46C1 0%, #8B5CF6 100%);
    border-radius: 2px;
}

/* RFID Scan Status Area - INI DIKOMENTARI KARENA SUDAH DIHAPUS DARI HTML */
/*
.rfid-scan-status {
    background: #fff;
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
    margin-bottom: 2rem;
    text-align: center;
    font-size: 1.1rem;
    color: #374151;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    border-left: 5px solid #6B46C1;
    animation: fadeIn 0.5s ease-out;
}

.rfid-scan-status .fas {
    font-size: 1.5rem;
    color: #6B46C1;
}

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


/* Visitors Table Styling */
.visitors-table {
    width: 100%;
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(107, 70, 193, 0.1);
    border-collapse: collapse;
    margin-top: 1rem;
}

.visitors-table thead {
    background: linear-gradient(135deg, #6B46C1 0%, #8B5CF6 100%);
    color: white;
}

.visitors-table th {
    padding: 1.5rem 1rem;
    font-weight: 600;
    text-align: left;
    font-size: 0.95rem;
    letter-spacing: 0.5px;
}

.visitors-table td {
    padding: 1.25rem 1rem;
    border-bottom: 1px solid #f1f5f9;
    color: #374151;
    font-size: 0.9rem;
}

.visitors-table tbody tr {
    transition: all 0.3s ease;
}

.visitors-table tbody tr:hover {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    transform: scale(1.01);
}

.visitors-table tbody tr:last-child td {
    border-bottom: none;
}

/* Countdown Timer Styling */
.countdown-timer {
    display: inline-block;
    padding: 8px 16px;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.85rem;
    text-align: center;
    min-width: 120px;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
    transition: all 0.3s ease;
}

.countdown-timer.warning-time {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
    animation: pulse-warning 2s infinite;
}

.countdown-timer.time-over {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
    animation: pulse-danger 1.5s infinite;
}

@keyframes pulse-warning {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

@keyframes pulse-danger {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.08); }
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(107, 70, 193, 0.1);
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    opacity: 0.7;
}

.empty-state h2 {
    color: #1e293b;
    font-size: 1.8rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.empty-state p {
    color: #64748b;
    font-size: 1.1rem;
    max-width: 400px;
    margin: 0 auto;
}

/* Error Message */
.error-message-inline {
    background: linear-gradient(135deg, #fef2f2 0%, #fee2e2 100%);
    color: #dc2626;
    padding: 1.5rem;
    border-radius: 12px;
    border-left: 4px solid #dc2626;
    font-weight: 500;
    box-shadow: 0 4px 12px rgba(220, 38, 38, 0.1);
}

/* Loading State */
#activeVisitorsList p {
    text-align: center;
    padding: 3rem;
    color: #64748b;
    font-size: 1.1rem;
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(107, 70, 193, 0.1);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .header-content {
        flex-direction: column;
        text-align: center;
        gap: 2rem;
    }
    
    .header-left h1 {
        font-size: 2rem;
    }
    
    .dashboard-content {
        padding: 2rem 1rem;
    }
    
    .visitors-table {
        font-size: 0.85rem;
    }
    
    .visitors-table th,
    .visitors-table td {
        padding: 1rem 0.75rem;
    }
}

@media (max-width: 768px) {
    .header-right {
        flex-direction: column;
        width: 100%;
    }
    
    .action-btn-header,
    .logout-btn {
        width: 100%;
        justify-content: center;
        padding: 15px 20px;
    }
    
    .dashboard-content h2 {
        font-size: 1.5rem;
    }
    
    .visitors-table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
    }
    
    .countdown-timer {
        min-width: 100px;
        font-size: 0.8rem;
        padding: 6px 12px;
    }
    
    .empty-state {
        padding: 2rem 1rem;
    }
    
    .empty-icon {
        font-size: 3rem;
    }
    
    .empty-state h2 {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .dashboard-content {
        padding: 1.5rem 0.75rem;
    }
    
    .visitors-table th,
    .visitors-table td {
        padding: 0.75rem 0.5rem;
        font-size: 0.8rem;
    }
    
    .header-left h1 {
        font-size: 1.5rem;
    }
    
    .header-left p {
        font-size: 1rem;
    }
}

/* Additional Animations */
.visitors-table {
    animation: slideUp 0.6s ease-out;
}

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

.dashboard-content h2 {
    animation: fadeInLeft 0.8s ease-out;
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

::-webkit-scrollbar-track {
    background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #6B46C1 0%, #8B5CF6 100%);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #553c9a 0%, #7c3aed 100%);
}


/* --- MODAL STYLING (POPUP) --- */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease, visibility 0.4s ease;
}

.modal.show {
    opacity: 1;
    visibility: visible;
    display: flex;
}

.modal-content {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
    animation: modalSlideIn 0.3s ease-out;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    border-top: 5px solid #6B46C1;
}

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

.close-button {
    color: #888;
    position: absolute;
    top: 15px;
    right: 25px;
    font-size: 32px;
    font-weight: normal;
    cursor: pointer;
    transition: color 0.3s ease;
}

.close-button:hover,
.close-button:focus {
    color: #333;
    text-decoration: none;
}

.modal-header {
    text-align: center;
    margin-bottom: 1.5rem;
}

.modal-header h3 {
    color: #1f2937;
    margin-bottom: 0.5rem;
    font-size: 1.3rem;
}

.modal-header p {
    color: #6b7280;
    font-size: 0.95rem;
}


/* Styling for modal body content in dashboard */
#modalTitle {
    color: #1f2937;
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-align: center;
}

#modalMessage {
    font-size: 1.15rem;
    line-height: 1.6;
    color: #374151;
    margin-bottom: 0.8rem;
}

#modalGelangCode {
    font-size: 1.15rem;
    line-height: 1.6;
    color: #374151;
    margin-bottom: 0.8rem;
}

#modalUserData {
    background: #f9fafb;
    padding: 1rem;
    border-radius: 8px;
    margin-top: 1.5rem;
    border-left: 4px solid #6B46C1;
    text-align: left;
}

#modalUserData p {
    margin: 0.5rem 0;
    font-size: 0.95rem;
    color: #475569;
}

#modalUserData strong {
    color: #374151;
}

/* Modal Actions (buttons) */
.modal-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
}

.modal-action-btn, .modal-cancel-btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.95rem;
    flex-grow: 1;
    max-width: 200px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.modal-action-btn { /* Default primary button in modal */
    background: linear-gradient(135deg, #6B46C1 0%, #8B5CF6 100%);
    color: white;
}

.modal-action-btn:hover {
    background: linear-gradient(135deg, #553c9a 0%, #7c3aed 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(107, 70, 193, 0.25);
}

.modal-action-btn.logout-btn { /* Untuk tombol "Akhiri Sesi" di dashboard modal */
    background: linear-gradient(135deg, #EF4444 0%, #DC2626 100%);
    color: white;
}

.modal-action-btn.logout-btn:hover {
    background: linear-gradient(135deg, #DC2626 0%, #B91C1C 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(239, 68, 68, 0.25);
}

.modal-cancel-btn {
    background: #F3F4F6;
    color: #374151;
    border: 1px solid #D1D5DB;
}

.modal-cancel-btn:hover {
    background: #E5E7EB;
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(160, 174, 192, 0.25);
}

/* Text colors within modals (consistent with existing) */
.text-green-500 { color: #10B981; font-weight: bold; }
.text-red-500 { color: #EF4444; font-weight: bold; }
.text-blue-500 { color: #4299E1; font-weight: bold; text-decoration: underline; }

/* Responsive adjustments for modals */
@media (max-width: 600px) {
    .modal-content {
        padding: 1.5rem;
        border-radius: 10px;
    }
    .modal-actions {
        flex-direction: column;
        gap: 0.8rem;
    }
    .modal-action-btn, .modal-cancel-btn {
        max-width: 100%;
    }
    #modalTitle {
        font-size: 1.5rem;
    }
    #modalMessage, #modalGelangCode, #modalUserData p {
        font-size: 1rem;
    }
}