/* ============================================================
   Happy Vivu Portal — Global Styles
   Premium dark theme with vibrant accents
   ============================================================ */

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

:root {
    --bg-primary: #0f1117;
    --bg-secondary: #1a1d27;
    --bg-card: #1e2231;
    --bg-input: #252a3a;
    --bg-hover: #2a3045;
    --text-primary: #e8eaf0;
    --text-secondary: #8b92a8;
    --text-muted: #5a6178;
    --accent: #f97316;
    --accent-hover: #ea580c;
    --accent-glow: rgba(249, 115, 22, 0.3);
    --success: #f97316;
    --success-bg: rgba(249, 115, 22, 0.15);
    --warning: #f59e0b;
    --danger: #ef4444;
    --danger-bg: rgba(239, 68, 68, 0.15);
    --border: #2a2f42;
    --border-light: #353b52;
    --radius: 10px;
    --radius-sm: 6px;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
    --transition: 0.2s ease;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* ---- Layout ---- */
.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    height: 56px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 16px;
    color: var(--accent);
}

.navbar-brand span {
    color: var(--text-primary);
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.navbar-user {
    color: var(--text-secondary);
    font-size: 13px;
}

.main-content {
    flex: 1;
    padding: 20px 24px;
    max-width: 1600px;
    width: 100%;
    margin: 0 auto;
}

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border: none;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: var(--accent);
    color: white;
}

.btn-primary:hover {
    background: var(--accent-hover);
    box-shadow: 0 0 16px var(--accent-glow);
}

.btn-sm {
    padding: 5px 10px;
    font-size: 12px;
}

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

.btn-outline:hover {
    border-color: var(--text-secondary);
    color: var(--text-primary);
}

.btn-danger {
    background: var(--danger);
    color: white;
}

.btn-danger:hover {
    background: #dc2626;
}

.btn-success {
    background: var(--success);
    color: white;
}

.btn-success:hover {
    background: #16a34a;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ---- Inputs ---- */
.input-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 16px;
}

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

input[type="text"],
input[type="email"],
input[type="password"],
select {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 14px;
    transition: border-color var(--transition);
}

input:focus,
select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

/* ---- Login Page ---- */
.login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: var(--bg-primary);
}

.login-card {
    width: 100%;
    max-width: 400px;
    padding: 40px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.login-card h1 {
    text-align: center;
    font-size: 22px;
    margin-bottom: 8px;
}

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

.login-card .btn-primary {
    width: 100%;
    padding: 12px;
    font-size: 15px;
    margin-top: 8px;
}

.login-error {
    background: var(--danger-bg);
    color: var(--danger);
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    margin-bottom: 16px;
    display: none;
}

/* ---- Toolbar ---- */
.toolbar {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.search-input {
    flex: 1;
    min-width: 200px;
    position: relative;
}

.search-input input {
    padding-left: 36px;
}

.search-input::before {
    content: '🔍';
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 14px;
    z-index: 1;
}

.filter-group {
    display: flex;
    gap: 8px;
}

.filter-group select {
    min-width: 140px;
}

/* ---- Data Grid ---- */
.grid-container {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    flex: 1;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.data-table thead {
    position: sticky;
    top: 0;
    z-index: 10;
}

.data-table th {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 12px 14px;
    text-align: left;
    border-bottom: 2px solid var(--border);
    cursor: pointer;
    user-select: none;
    white-space: nowrap;
}

.data-table th:hover {
    color: var(--text-primary);
    background: var(--bg-hover);
}

.data-table th.sorted-asc::after {
    content: ' ↑';
    color: var(--accent);
}

.data-table th.sorted-desc::after {
    content: ' ↓';
    color: var(--accent);
}

.data-table td {
    padding: 10px 14px;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

.data-table tr:hover td {
    background: var(--bg-hover);
}

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

/* Cell types */
.cell-number {
    text-align: right;
    font-variant-numeric: tabular-nums;
}

.cell-badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 600;
}

.badge-success {
    background: var(--success-bg);
    color: var(--success);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning);
}

/* ---- Check Button & Result ---- */
.btn-check {
    background: var(--accent);
    color: white;
    padding: 4px 12px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 12px;
    cursor: pointer;
    font-family: inherit;
    font-weight: 500;
    transition: all var(--transition);
}

.btn-check:hover {
    background: var(--accent-hover);
    box-shadow: 0 0 12px var(--accent-glow);
}

.btn-check.loading {
    opacity: 0.6;
    pointer-events: none;
}

.btn-check.loading::after {
    content: '';
    display: inline-block;
    width: 12px;
    height: 12px;
    margin-left: 6px;
    border: 2px solid white;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Pagination */
.btn-page {
    padding: 6px 12px;
    border: 1px solid var(--border);
    background: var(--bg-primary);
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 13px;
    min-width: 36px;
    transition: all 0.15s;
}

.btn-page:hover:not(:disabled) {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.btn-page.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    font-weight: 600;
}

.btn-page:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.page-ellipsis {
    padding: 6px 4px;
    color: var(--text-muted);
}

.check-result {
    display: none;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 8px 12px;
    margin-top: 4px;
    font-size: 12px;
}

.check-result.show {
    display: block;
}

/* ---- Stats bar ---- */
.stats-bar {
    display: flex;
    gap: 6px;
    align-items: center;
    color: var(--text-muted);
    font-size: 12px;
    padding: 10px 0;
}

.stats-bar strong {
    color: var(--text-primary);
}

/* ---- Admin Panel ---- */
.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.admin-header h2 {
    font-size: 18px;
}

/* ---- Modal ---- */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 200;
    align-items: center;
    justify-content: center;
}

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

.modal {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow);
}

.modal h3 {
    margin-bottom: 20px;
    font-size: 16px;
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    margin-top: 20px;
}

/* ---- Toast / notification ---- */
.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    padding: 12px 20px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    color: white;
    z-index: 300;
    box-shadow: var(--shadow);
    animation: slideUp 0.3s ease;
    transition: opacity 0.3s;
}

.toast-success {
    background: var(--success);
}

.toast-error {
    background: var(--danger);
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ---- Scrollbar ---- */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-light);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
    .toolbar {
        flex-direction: column;
    }

    .search-input {
        width: 100%;
    }

    .filter-group {
        width: 100%;
    }

    .filter-group select {
        flex: 1;
    }

    .main-content {
        padding: 12px;
    }

    .data-table {
        font-size: 12px;
    }

    .data-table th,
    .data-table td {
        padding: 8px 10px;
    }
}