@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --bg-color: #0b0f19;
    --card-bg: rgba(22, 28, 45, 0.6);
    --card-border: rgba(255, 255, 255, 0.08);
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --primary-color: #3b82f6;
    --primary-glow: rgba(59, 130, 246, 0.4);
    --success-color: #10b981;
    --success-glow: rgba(16, 185, 129, 0.4);
    --error-color: #ef4444;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
    -webkit-tap-highlight-color: transparent;
}

body {
    background-color: var(--bg-color);
    background-image: 
        radial-gradient(at 0% 0%, rgba(59, 130, 246, 0.15) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(16, 185, 129, 0.1) 0px, transparent 50%);
    background-attachment: fixed;
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 16px;
}

.app-container {
    width: 100%;
    max-width: 440px;
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--card-border);
    border-radius: 24px;
    padding: 32px 24px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    animation: fadeIn 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Header & Typography */
header {
    text-align: center;
    margin-bottom: 32px;
}

.logo-icon {
    font-size: 3rem;
    color: var(--primary-color);
    text-shadow: 0 0 20px var(--primary-glow);
    margin-bottom: 12px;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

h1 {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.025em;
    margin-bottom: 6px;
    background: linear-gradient(135deg, #fff 0%, #a5b4fc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

header p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

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

.form-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.input-container {
    position: relative;
}

.input-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.form-control {
    width: 100%;
    padding: 14px 16px 14px 48px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 14px;
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    background: rgba(255, 255, 255, 0.07);
    box-shadow: 0 0 0 4px var(--primary-glow);
}

/* Buttons */
.btn {
    width: 100%;
    padding: 14px 24px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 14px;
    border: none;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, #1d4ed8 100%);
    color: white;
    box-shadow: 0 4px 14px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--primary-glow);
}

.btn-primary:active {
    transform: translateY(0);
}

/* Alert Notification */
.alert {
    padding: 12px 16px;
    border-radius: 12px;
    margin-bottom: 20px;
    font-size: 0.875rem;
    display: none;
    animation: slideDown 0.3s ease;
}

.alert-danger {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #fca5a5;
}

.alert-success {
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: #a7f3d0;
}

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

/* Dashboard UI */
.user-profile {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--card-border);
    margin-bottom: 24px;
}

.user-info h2 {
    font-size: 1.1rem;
    font-weight: 600;
}

.user-info p {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.logout-btn {
    background: rgba(239, 68, 68, 0.15);
    color: #fca5a5;
    border: 1px solid rgba(239, 68, 68, 0.2);
    padding: 6px 12px;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.logout-btn:hover {
    background: rgba(239, 68, 68, 0.25);
}

/* Camera & Scanning Interface */
.camera-container {
    position: relative;
    width: 100%;
    aspect-ratio: 4/3;
    background: #000;
    border-radius: 20px;
    overflow: hidden;
    margin-bottom: 20px;
    border: 2px solid var(--card-border);
    box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.8);
}

.camera-preview {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scaleX(-1); /* Mirror view for front camera */
}

/* Custom Photo Canvas (Hidden) */
#photo-canvas {
    display: none;
}

.scan-overlay {
    position: absolute;
    inset: 0;
    border: 2px solid transparent;
    pointer-events: none;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Scanning Face Frame */
.scan-frame {
    width: 60%;
    height: 70%;
    border: 2px dashed rgba(59, 130, 246, 0.6);
    border-radius: 50% / 40%;
    position: relative;
    box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.4); /* Darkened outer region */
}

.scan-laser {
    position: absolute;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    box-shadow: 0 0 8px var(--primary-color);
    top: 0;
    animation: scanAnimation 2.5s linear infinite;
}

@keyframes scanAnimation {
    0% { top: 0%; }
    50% { top: 100%; }
    100% { top: 0%; }
}

/* Location Card */
.location-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 14px 16px;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.loc-icon {
    font-size: 1.5rem;
    color: var(--success-color);
    text-shadow: 0 0 10px var(--success-glow);
}

.loc-data p {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.loc-data span {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
}

/* Loading Spinner */
.spinner {
    border: 2.5px solid rgba(255, 255, 255, 0.2);
    border-top: 2.5px solid white;
    border-radius: 50%;
    width: 18px;
    height: 18px;
    animation: spin 0.8s linear infinite;
    display: inline-block;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Footer info */
.footer-text {
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 24px;
}

/* Admin Specific Styles */
.admin-container {
    width: 100%;
    max-width: 1100px;
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--card-border);
    border-radius: 24px;
    padding: 32px 24px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    animation: fadeIn 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 32px;
}

.stat-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-2px);
    border-color: rgba(59, 130, 246, 0.2);
}

.stat-icon {
    font-size: 2rem;
    color: var(--primary-color);
    text-shadow: 0 0 15px var(--primary-glow);
}

.stat-details h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 2px;
}

.stat-details p {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.admin-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
}

@media (min-width: 900px) {
    .admin-layout {
        grid-template-columns: 320px 1fr;
    }
}

.admin-card-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-primary);
    border-bottom: 1px solid var(--card-border);
    padding-bottom: 10px;
}

.table-responsive {
    width: 100%;
    overflow-x: auto;
    border-radius: 16px;
    border: 1px solid var(--card-border);
    background: rgba(0, 0, 0, 0.1);
}

.glass-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.875rem;
}

.glass-table th, .glass-table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--card-border);
}

.glass-table th {
    background: rgba(255, 255, 255, 0.02);
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
}

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

.glass-table tbody tr {
    transition: background 0.2s ease;
}

.glass-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

.photo-thumbnail {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    object-fit: cover;
    border: 1px solid rgba(255, 255, 255, 0.2);
    cursor: pointer;
    transition: all 0.2s ease;
}

.photo-thumbnail:hover {
    transform: scale(1.1);
    border-color: var(--primary-color);
    box-shadow: 0 0 10px var(--primary-glow);
}

.badge {
    display: inline-block;
    padding: 4px 8px;
    font-size: 0.7rem;
    font-weight: 600;
    border-radius: 6px;
    text-transform: uppercase;
}

.badge-admin {
    background: rgba(59, 130, 246, 0.15);
    color: #93c5fd;
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.badge-user {
    background: rgba(156, 163, 175, 0.15);
    color: #d1d5db;
    border: 1px solid rgba(156, 163, 175, 0.3);
}

.map-link {
    color: var(--primary-color);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: color 0.2s ease;
}

.map-link:hover {
    color: #60a5fa;
    text-decoration: underline;
}

/* Modal Popup Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(10px);
    justify-content: center;
    align-items: center;
    padding: 16px;
    animation: fadeInModal 0.2s ease-out;
}

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

.modal-content-wrapper {
    position: relative;
    max-width: 90%;
    max-height: 90%;
    animation: zoomInModal 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

.modal-img {
    max-width: 100%;
    max-height: 80vh;
    border-radius: 16px;
    border: 2px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.modal-close {
    position: absolute;
    top: -48px;
    right: 0;
    color: white;
    font-size: 2rem;
    cursor: pointer;
    background: none;
    border: none;
    padding: 4px 8px;
    transition: color 0.2s ease;
}

.modal-close:hover {
    color: var(--error-color);
}

.admin-header-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.admin-header-actions .btn {
    width: auto;
}

/* Tab Navigation System */
.admin-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--card-border);
    padding-bottom: 8px;
}

.tab-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 600;
    padding: 10px 20px;
    border-radius: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.tab-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.04);
}

.tab-btn.active {
    color: white;
    background: linear-gradient(135deg, var(--primary-color) 0%, #1e40af 100%);
    box-shadow: 0 4px 12px var(--primary-glow);
}

.tab-content {
    display: none;
    animation: fadeInTab 0.4s ease;
}

.tab-content.active {
    display: block;
}

@keyframes fadeInTab {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Action Buttons in Tables */
.action-btn-group {
    display: flex;
    gap: 6px;
}

.btn-action {
    padding: 6px 12px;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: all 0.2s ease;
    text-decoration: none;
}

.btn-edit {
    background: rgba(245, 158, 11, 0.15);
    color: #fcd34d;
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.btn-edit:hover {
    background: rgba(245, 158, 11, 0.25);
    border-color: rgba(245, 158, 11, 0.4);
}

.btn-delete {
    background: rgba(239, 68, 68, 0.15);
    color: #fca5a5;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.btn-delete:hover {
    background: rgba(239, 68, 68, 0.25);
    border-color: rgba(239, 68, 68, 0.4);
}