/* InvitMe - Admin Panel Styles */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
    --bg-primary: #0e0e1a;
    --bg-secondary: #161625;
    --bg-card: rgba(255,255,255,0.04);
    --bg-card-hover: rgba(255,255,255,0.07);
    --bg-input: rgba(255,255,255,0.06);
    --border-color: rgba(255,255,255,0.08);
    --border-focus: #007AFF;
    --text-primary: #ffffff;
    --text-secondary: rgba(255,255,255,0.6);
    --text-muted: rgba(255,255,255,0.35);
    --accent: #007AFF;
    --accent-gradient: linear-gradient(135deg, #007AFF 0%, #5856D6 100%);
    --success: #34C759;
    --warning: #FF9F0A;
    --danger: #FF3B30;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.2);
    --shadow-md: 0 8px 24px rgba(0,0,0,0.3);
    --shadow-lg: 0 16px 48px rgba(0,0,0,0.4);
    --transition: all 0.2s ease;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

/* ===== LAYOUT ===== */
.admin-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    min-height: 100vh;
}

/* ===== SIDEBAR ===== */
.sidebar {
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    padding: 24px 16px;
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 12px;
    margin-bottom: 32px;
    text-decoration: none;
}

.sidebar-brand .logo-icon {
    width: 36px;
    height: 36px;
    background: var(--accent-gradient);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

.sidebar-brand .brand-text {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.sidebar-nav {
    list-style: none;
    flex: 1;
}

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

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 14px;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
}

.sidebar-nav a:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
}

.sidebar-nav a.active {
    background: rgba(0,122,255,0.12);
    color: #007AFF;
}

.sidebar-nav a .nav-icon {
    font-size: 18px;
    width: 24px;
    text-align: center;
}

.sidebar-footer {
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.sidebar-footer a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 13px;
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.sidebar-footer a:hover {
    color: var(--danger);
    background: rgba(255,59,48,0.08);
}

/* ===== MAIN CONTENT ===== */
.main-content {
    padding: 32px 40px;
    max-width: 1200px;
}

.page-header {
    margin-bottom: 32px;
}

.page-header h1 {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: 4px;
}

.page-header .page-subtitle {
    color: var(--text-secondary);
    font-size: 14px;
}

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

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: var(--transition);
}

.stat-card:hover {
    background: var(--bg-card-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-card .stat-icon {
    font-size: 28px;
    margin-bottom: 12px;
}

.stat-card .stat-value {
    font-size: 32px;
    font-weight: 800;
    letter-spacing: -1px;
    line-height: 1;
    margin-bottom: 4px;
}

.stat-card .stat-label {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 500;
}

.stat-card.accent .stat-value { color: var(--accent); }
.stat-card.success .stat-value { color: var(--success); }
.stat-card.warning .stat-value { color: var(--warning); }
.stat-card.danger .stat-value { color: var(--danger); }

/* ===== CARDS ===== */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 28px;
    margin-bottom: 24px;
}

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

.card-header h2 {
    font-size: 18px;
    font-weight: 600;
}

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

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 6px;
    letter-spacing: 0.2px;
}

.form-control {
    width: 100%;
    padding: 11px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
    transition: var(--transition);
    outline: none;
}

.form-control:focus {
    border-color: var(--border-focus);
    background: rgba(255,255,255,0.08);
    box-shadow: 0 0 0 3px rgba(0,122,255,0.12);
}

.form-control::placeholder {
    color: var(--text-muted);
}

textarea.form-control {
    min-height: 100px;
    resize: vertical;
}

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='rgba(255,255,255,0.5)' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 36px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-hint {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

.btn:active { transform: scale(0.97); }

.btn-primary {
    background: var(--accent-gradient);
    color: #fff;
    box-shadow: 0 2px 8px rgba(0,122,255,0.25);
}

.btn-primary:hover {
    box-shadow: 0 4px 16px rgba(0,122,255,0.35);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--bg-input);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
}

.btn-success {
    background: linear-gradient(135deg, #34C759, #30B350);
    color: #fff;
}

.btn-danger {
    background: rgba(255,59,48,0.12);
    color: var(--danger);
    border: 1px solid rgba(255,59,48,0.2);
}

.btn-danger:hover {
    background: rgba(255,59,48,0.2);
}

.btn-sm {
    padding: 7px 14px;
    font-size: 13px;
    border-radius: var(--radius-sm);
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    border-radius: var(--radius-sm);
}

/* ===== TABLE ===== */
.table-container {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

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

table th {
    text-align: left;
    padding: 12px 16px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    background: rgba(255,255,255,0.02);
    border-bottom: 1px solid var(--border-color);
}

table td {
    padding: 14px 16px;
    font-size: 14px;
    border-bottom: 1px solid rgba(255,255,255,0.04);
    vertical-align: middle;
}

table tbody tr {
    transition: var(--transition);
}

table tbody tr:hover {
    background: rgba(255,255,255,0.03);
}

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

/* ===== BADGES ===== */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.2px;
}

.badge-pending {
    background: rgba(255,159,10,0.12);
    color: var(--warning);
}

.badge-confirmed {
    background: rgba(52,199,89,0.12);
    color: var(--success);
}

.badge-declined {
    background: rgba(255,59,48,0.12);
    color: var(--danger);
}

/* ===== PROGRESS BAR ===== */
.progress-bar-container {
    background: rgba(255,255,255,0.06);
    border-radius: 8px;
    height: 8px;
    overflow: hidden;
    display: flex;
}

.progress-bar-fill {
    height: 100%;
    transition: width 0.6s ease;
    border-radius: 8px;
}

.progress-bar-fill.confirmed { background: var(--success); }
.progress-bar-fill.declined { background: var(--danger); }
.progress-bar-fill.pending { background: var(--warning); }

/* ===== MODAL ===== */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(8px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 20px;
    animation: fadeIn 0.2s;
}

.modal-overlay.active {
    display: flex;
}

.modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 32px;
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    animation: slideUp 0.3s ease;
}

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

.modal-header h3 {
    font-size: 18px;
    font-weight: 600;
}

.modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: var(--bg-input);
    color: var(--text-secondary);
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
    transition: var(--transition);
}

.modal-close:hover {
    background: rgba(255,59,48,0.15);
    color: var(--danger);
}

.modal-footer {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    margin-top: 24px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

/* ===== TOAST ===== */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    padding: 14px 20px;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    animation: slideInRight 0.3s ease;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: var(--shadow-md);
    min-width: 280px;
}

.toast-success {
    background: rgba(52,199,89,0.15);
    border: 1px solid rgba(52,199,89,0.3);
    color: var(--success);
}

.toast-error {
    background: rgba(255,59,48,0.15);
    border: 1px solid rgba(255,59,48,0.3);
    color: var(--danger);
}

.toast-info {
    background: rgba(0,122,255,0.15);
    border: 1px solid rgba(0,122,255,0.3);
    color: var(--accent);
}

/* ===== LINK COPY ===== */
.link-copy {
    display: flex;
    align-items: center;
    gap: 8px;
}

.link-copy input {
    flex: 1;
    padding: 8px 12px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 12px;
    font-family: 'SF Mono', 'Fira Code', monospace;
    outline: none;
}

/* ===== BLOCKS SORTABLE ===== */
.block-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 20px;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: var(--transition);
    cursor: grab;
}

.block-item:hover {
    background: var(--bg-card-hover);
}

.block-item.dragging {
    opacity: 0.5;
    transform: scale(0.98);
}

.block-drag-handle {
    color: var(--text-muted);
    font-size: 18px;
    cursor: grab;
    user-select: none;
}

.block-info {
    flex: 1;
}

.block-info .block-type {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    font-weight: 600;
    margin-bottom: 2px;
}

.block-info .block-title {
    font-size: 15px;
    font-weight: 600;
}

.block-actions {
    display: flex;
    gap: 8px;
    align-items: center;
}

/* ===== TOGGLE SWITCH ===== */
.toggle {
    position: relative;
    width: 44px;
    height: 24px;
    cursor: pointer;
}

.toggle input {
    display: none;
}

.toggle-slider {
    position: absolute;
    inset: 0;
    background: rgba(255,255,255,0.12);
    border-radius: 12px;
    transition: var(--transition);
}

.toggle-slider::before {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    left: 3px;
    top: 3px;
    background: #fff;
    border-radius: 50%;
    transition: var(--transition);
}

.toggle input:checked + .toggle-slider {
    background: var(--success);
}

.toggle input:checked + .toggle-slider::before {
    transform: translateX(20px);
}

/* ===== IMAGE UPLOAD ===== */
.upload-zone {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
}

.upload-zone:hover {
    border-color: var(--accent);
    background: rgba(0,122,255,0.04);
}

.upload-zone .upload-icon {
    font-size: 36px;
    margin-bottom: 12px;
}

.upload-zone .upload-text {
    color: var(--text-secondary);
    font-size: 14px;
}

/* ===== GALLERY GRID ===== */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 12px;
    margin-top: 16px;
}

.gallery-item {
    position: relative;
    aspect-ratio: 1;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.gallery-item .gallery-remove {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 28px;
    height: 28px;
    background: rgba(0,0,0,0.6);
    color: #fff;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    opacity: 0;
    transition: var(--transition);
}

.gallery-item:hover .gallery-remove {
    opacity: 1;
}

/* ===== BACKGROUND PREVIEW ===== */
.bg-preview {
    width: 100%;
    height: 200px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    overflow: hidden;
    margin-bottom: 16px;
    position: relative;
}

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

.bg-preview .bg-gradient {
    width: 100%;
    height: 100%;
}

/* ===== FILTERS ===== */
.filters {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 8px 16px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
}

.filter-btn.active {
    background: rgba(0,122,255,0.12);
    border-color: rgba(0,122,255,0.3);
    color: var(--accent);
}

/* ===== LOGIN ===== */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: linear-gradient(135deg, #0c0c1d 0%, #1a1a3e 50%, #2d1b69 100%);
}

.login-card {
    background: rgba(255,255,255,0.06);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 24px;
    padding: 48px;
    max-width: 420px;
    width: 100%;
    box-shadow: var(--shadow-lg);
}

.login-card h1 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
    text-align: center;
}

.login-card .login-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 32px;
}

/* ===== EMPTY STATE ===== */
.empty-state {
    text-align: center;
    padding: 48px 20px;
    color: var(--text-muted);
}

.empty-state .empty-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.empty-state p {
    font-size: 15px;
    margin-bottom: 20px;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(40px); }
    to { opacity: 1; transform: translateX(0); }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .admin-layout {
        grid-template-columns: 1fr;
    }
    
    .sidebar {
        display: none;
        position: fixed;
        inset: 0;
        z-index: 900;
        width: 280px;
    }
    
    .sidebar.open {
        display: flex;
    }
    
    .sidebar-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,0.5);
        z-index: 899;
    }
    
    .sidebar-overlay.open {
        display: block;
    }
    
    .mobile-header {
        display: flex !important;
        align-items: center;
        justify-content: space-between;
        padding: 16px 20px;
        background: var(--bg-secondary);
        border-bottom: 1px solid var(--border-color);
        position: sticky;
        top: 0;
        z-index: 100;
    }
    
    .main-content {
        padding: 20px 16px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .modal-content {
        padding: 24px;
    }
    
    .page-header h1 {
        font-size: 22px;
    }
}

.mobile-header {
    display: none;
}

.hamburger-btn {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 24px;
    cursor: pointer;
    padding: 4px;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.1);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255,255,255,0.2);
}

/* ===== ALERT ===== */
.alert {
    padding: 14px 18px;
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-error {
    background: rgba(255,59,48,0.1);
    border: 1px solid rgba(255,59,48,0.2);
    color: #ff6b6b;
}

.alert-success {
    background: rgba(52,199,89,0.1);
    border: 1px solid rgba(52,199,89,0.2);
    color: var(--success);
}

/* ===== COLOR PICKER ===== */
.color-picker-group {
    display: flex;
    align-items: center;
    gap: 12px;
}

.color-picker-group input[type="color"] {
    width: 44px;
    height: 44px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    background: transparent;
    padding: 2px;
}

.color-picker-group input[type="text"] {
    flex: 1;
}