:root {
    --black: #0a0a0a;
    --dark: #111111;
    --card-bg: #1a1a1a;
    --border: #2a2a2a;
    --border-hover: #3a3a3a;
    --gold: #C9A84C;
    --gold-light: #E8C97A;
    --red: #C8102E;
    --green: #009246;
    --cream: #F0E6D3;
    --muted: #666666;
    --sidebar-width: 260px;
}

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

body {
    font-family: -apple-system, 'Segoe UI', Arial, sans-serif;
    background: var(--black);
    color: var(--cream);
    overflow-x: hidden;
}

/* ===== LAYOUT ===== */
#admin-app {
    display: flex;
    min-height: 100vh;
}

/* ===== SIDEBAR ===== */
.sidebar {
    width: var(--sidebar-width);
    background: var(--dark);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
}

.sidebar-header {
    padding: 30px 20px;
    border-bottom: 1px solid var(--border);
}

.sidebar-header .logo {
    font-family: Georgia, 'Times New Roman', serif;
    font-size: 1.8em;
    font-weight: 700;
    letter-spacing: 2px;
}

.sidebar-header .logo span {
    color: var(--gold);
}

.sidebar-header .subtitle {
    font-size: 0.7em;
    letter-spacing: 4px;
    color: var(--muted);
    text-transform: uppercase;
    margin-top: 5px;
}

.sidebar-nav {
    padding: 20px 0;
    flex: 1;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px 25px;
    color: #a0a0a0;
    text-decoration: none;
    font-size: 0.9em;
    font-weight: 500;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
}

.nav-item i {
    font-size: 1.3em;
}

.nav-item:hover {
    color: var(--cream);
    background: rgba(255,255,255,0.02);
}

.nav-item.active {
    color: var(--gold);
    background: rgba(201,168,76,0.05);
    border-left-color: var(--gold);
}

.sidebar-footer {
    padding: 20px;
    border-top: 1px solid var(--border);
}

.admin-user {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.8em;
    color: var(--muted);
    margin-bottom: 15px;
}

.admin-user i {
    font-size: 1.5em;
    color: var(--cream);
}

.logout-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--red);
    text-decoration: none;
    font-size: 0.85em;
    transition: color 0.3s;
}

.logout-btn:hover {
    color: #ff3355;
}

/* ===== MAIN CONTENT ===== */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 40px;
}

.top-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}

.top-header h1 {
    font-family: Georgia, 'Times New Roman', serif;
    font-size: 2em;
    font-weight: normal;
}

/* VIEWS */
.view {
    display: none;
    animation: fadeIn 0.4s ease;
}

.view.active {
    display: block;
}

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

/* STATS GRID */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.stat-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 25px;
    display: flex;
    align-items: center;
    gap: 20px;
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: rgba(201,168,76,0.1);
    color: var(--gold);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8em;
}

.stat-details h3 {
    font-size: 0.8em;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 5px;
}

.stat-value {
    font-size: 1.8em;
    font-weight: bold;
    font-family: Georgia, serif;
}

/* BUTTONS & INPUTS */
.primary-btn {
    background: linear-gradient(135deg, var(--gold), var(--gold-light));
    color: var(--black);
    border: none;
    padding: 14px 24px;
    border-radius: 6px;
    font-size: 1.05em;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s;
}

.primary-btn:hover {
    background: linear-gradient(135deg, var(--gold-light), var(--gold));
    box-shadow: 0 4px 15px rgba(201,168,76,0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--cream);
    border: 1px solid var(--border);
    padding: 14px 24px;
    border-radius: 6px;
    font-size: 1.05em;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.05);
    border-color: var(--muted);
}

.action-btn {
    background: none;
    border: none;
    color: var(--muted);
    cursor: pointer;
    padding: 5px;
    font-size: 1.2em;
    transition: color 0.3s;
}

.action-btn:hover {
    color: var(--gold);
}

.action-btn.delete:hover {
    color: var(--red);
}

/* FILTERS BAR */
.filters-bar {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
}

.admin-input, .admin-select {
    background: var(--dark);
    border: 1px solid var(--border);
    color: var(--cream);
    padding: 14px 20px;
    border-radius: 6px;
    font-size: 1.05em;
}

.admin-input:focus, .admin-select:focus {
    outline: none;
    border-color: var(--gold);
}

/* TABLES */
.table-container {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow-x: auto;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
}

.admin-table th, .admin-table td {
    padding: 15px 20px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.admin-table th {
    background: rgba(0,0,0,0.2);
    font-size: 0.75em;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--muted);
}

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

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

.text-right {
    text-align: right !important;
}

.table-img {
    width: 40px;
    height: 40px;
    border-radius: 4px;
    object-fit: cover;
}

.badge {
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 0.75em;
    font-weight: 600;
}
.badge.success { background: rgba(0,146,70,0.1); color: var(--green); }
.badge.danger { background: rgba(200,16,46,0.1); color: var(--red); }

/* MODALS */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.8);
    backdrop-filter: blur(5px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.3s;
}

.modal-overlay.open {
    display: flex;
    opacity: 1;
}

.modal-content {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    width: 100%;
    max-width: 500px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
    transform: translateY(20px);
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.modal-overlay.open .modal-content {
    transform: translateY(0);
}

.modal-content.modal-large {
    max-width: 800px;
}

.modal-header {
    padding: 20px 25px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    font-family: Georgia, serif;
    font-size: 1.4em;
    font-weight: normal;
}

.close-modal {
    background: none;
    border: none;
    color: var(--muted);
    font-size: 1.5em;
    cursor: pointer;
    transition: color 0.3s;
}

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

.modal-form {
    padding: 25px;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
}

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

.form-row {
    display: flex;
    gap: 15px;
}

.form-row .form-group {
    flex: 1;
}

.form-group label {
    display: block;
    font-size: 1em;
    color: #c0c0c0;
    margin-bottom: 10px;
}

.form-group input[type="text"],
.form-group input[type="number"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group textarea,
.form-group select {
    width: 100%;
    background: var(--dark);
    border: 1px solid var(--border);
    color: var(--cream);
    padding: 16px;
    border-radius: 6px;
    font-size: 1.1em;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--gold);
}

.checkbox-row {
    align-items: center;
    margin-top: 10px;
}

.custom-checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 15px;
    margin-top: 10px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

/* Image Upload Preview */
.image-upload-group {
    height: 100%;
}

.image-preview {
    width: 100%;
    height: 200px;
    background: var(--dark);
    border: 1px dashed var(--border);
    border-radius: 8px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

.image-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.image-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--muted);
    gap: 10px;
}

.image-placeholder i {
    font-size: 2.5em;
}

.file-input {
    width: 100%;
    color: var(--muted);
    font-size: 0.85em;
}

.help-text {
    display: block;
    margin-top: 5px;
    color: var(--muted);
    font-size: 0.75em;
}

.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--muted);
}

.empty-state i {
    font-size: 4em;
    color: rgba(255,255,255,0.05);
    margin-bottom: 20px;
}

.empty-state h3 {
    color: var(--cream);
    margin-bottom: 10px;
}

/* ===== LOGIN SCREEN ===== */
.login-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: url('../images/historical_1920.jpg') center/cover no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.login-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(13, 13, 13, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.login-card {
    position: relative;
    z-index: 2;
    background: rgba(13, 13, 13, 0.6);
    border: 1px solid rgba(197, 160, 89, 0.3);
    padding: 40px;
    border-radius: 24px;
    width: 100%;
    max-width: 400px;
    text-align: center;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.login-logo {
    font-size: 2em;
    font-family: 'Cinzel', serif;
    color: var(--text-light);
    margin-bottom: 5px;
}

.login-logo span {
    color: var(--gold);
}

.login-card h2 {
    color: var(--gold);
    font-family: 'Georgia', serif;
    margin: 10px 0 5px 0;
    font-size: 1.5em;
}

.login-card p {
    color: var(--text-muted);
    font-size: 0.9em;
    margin-bottom: 30px;
}

.login-card .form-group {
    text-align: left;
    margin-bottom: 20px;
}

.login-card .btn-primary.login-btn {
    width: 100%;
    padding: 14px;
    font-size: 1.1em;
    margin-top: 10px;
}

.login-error {
    color: #ff4d4d;
    background: rgba(255, 77, 77, 0.1);
    border: 1px solid rgba(255, 77, 77, 0.3);
    padding: 10px;
    border-radius: 8px;
    margin-bottom: 15px;
    font-size: 0.9em;
}