/**
 * Demo Admin Styles - ChatBotHouse Theme
 */

/* CSS Variables */
:root {
    --color-primary: #18181B;
    --color-primary-dark: #09090B;
    --color-success: #22C55E;
    --color-warning: #F59E0B;
    --color-danger: #EF4444;
    --color-gray-50: #FAFAFA;
    --color-gray-100: #F4F4F5;
    --color-gray-200: #E4E4E7;
    --color-gray-300: #D4D4D8;
    --color-gray-400: #A1A1AA;
    --color-gray-500: #71717A;
    --color-gray-600: #52525B;
    --color-gray-700: #3F3F46;
    --color-gray-800: #27272A;
    --color-gray-900: #18181B;
    --border-radius: 8px;
    --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.1);
}

/* Reset */
*, *::before, *::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: var(--color-gray-900);
    background: var(--color-gray-50);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--color-gray-900);
    text-decoration: none;
}

a:hover {
    color: var(--color-gray-600);
}

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Login Page */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-gray-50) 0%, white 50%, var(--color-gray-100) 100%);
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

.login-box {
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    padding: 40px;
    border: 1px solid var(--color-gray-100);
}

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.login-header img {
    height: 32px;
    margin-bottom: 24px;
}

.login-header h1 {
    margin: 0 0 8px;
    font-size: 20px;
    font-weight: 600;
    color: var(--color-gray-900);
}

.login-header p {
    margin: 0;
    color: var(--color-gray-500);
    font-size: 14px;
}

.login-footer {
    text-align: center;
    margin-top: 24px;
    color: var(--color-gray-400);
    font-size: 12px;
}

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

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    font-size: 13px;
    color: var(--color-gray-700);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--border-radius);
    font-size: 14px;
    font-family: inherit;
    transition: border-color 0.15s, box-shadow 0.15s;
    background: white;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-gray-900);
    box-shadow: 0 0 0 3px rgba(24, 24, 27, 0.08);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-gray-400);
}

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

.form-group .form-hint {
    margin-top: 6px;
    font-size: 12px;
    color: var(--color-gray-500);
}

.form-row {
    display: flex;
    gap: 20px;
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 16px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 14px;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.15s;
    text-decoration: none;
}

.btn:hover {
    transform: translateY(-1px);
    text-decoration: none;
}

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

.btn-primary {
    background: var(--color-gray-900);
    color: white;
}

.btn-primary:hover {
    background: var(--color-gray-800);
    color: white;
}

.btn-secondary {
    background: white;
    color: var(--color-gray-700);
    border: 1px solid var(--color-gray-300);
}

.btn-secondary:hover {
    background: var(--color-gray-50);
    border-color: var(--color-gray-400);
    color: var(--color-gray-700);
}

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

.btn-success:hover {
    background: #16A34A;
}

.btn-danger {
    background: white;
    color: var(--color-danger);
    border: 1px solid var(--color-gray-300);
}

.btn-danger:hover {
    background: #FEF2F2;
    border-color: var(--color-danger);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 13px;
}

.btn-full {
    width: 100%;
}

.btn-icon {
    padding: 8px;
    min-width: 36px;
}

/* Alerts */
.alert {
    padding: 12px 16px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    font-size: 14px;
}

.alert-error {
    background: #FEF2F2;
    color: #991B1B;
    border: 1px solid #FECACA;
}

.alert-success {
    background: #F0FDF4;
    color: #166534;
    border: 1px solid #BBF7D0;
}

.alert-warning {
    background: #FFFBEB;
    color: #92400E;
    border: 1px solid #FDE68A;
}

/* Header */
.header {
    background: white;
    border-bottom: 1px solid var(--color-gray-200);
    padding: 0;
    margin-bottom: 32px;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.header-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-brand img {
    height: 28px;
}

.header-brand span {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-gray-400);
    padding-left: 12px;
    border-left: 1px solid var(--color-gray-200);
}

.header-nav {
    display: flex;
    align-items: center;
    gap: 24px;
}

.header-nav a {
    color: var(--color-gray-500);
    font-size: 14px;
    font-weight: 500;
    transition: color 0.15s;
}

.header-nav a:hover {
    color: var(--color-gray-900);
}

/* Page Header */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.page-header h1 {
    margin: 0;
    font-size: 24px;
    font-weight: 600;
}

/* Cards */
.card {
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow);
    padding: 24px;
    margin-bottom: 24px;
    border: 1px solid var(--color-gray-100);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--color-gray-100);
}

.card-header h2 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
}

/* Tables */
.table-container {
    overflow-x: auto;
}

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

th, td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--color-gray-100);
}

th {
    font-weight: 500;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-gray-500);
    background: var(--color-gray-50);
}

tr:hover td {
    background: var(--color-gray-50);
}

.table-actions {
    display: flex;
    gap: 8px;
}

/* Status Badges */
.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 9999px;
    font-size: 12px;
    font-weight: 500;
}

.badge-draft {
    background: var(--color-gray-100);
    color: var(--color-gray-600);
}

.badge-active {
    background: #DCFCE7;
    color: #166534;
}

.badge-archived {
    background: var(--color-gray-100);
    color: var(--color-gray-500);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--color-gray-500);
}

.empty-state h3 {
    margin: 0 0 8px;
    color: var(--color-gray-700);
    font-weight: 600;
}

.empty-state p {
    margin: 0 0 20px;
}

/* Preview Panel */
.preview-panel {
    position: sticky;
    top: 20px;
}

.preview-frame {
    background: var(--color-gray-100);
    border-radius: var(--border-radius);
    padding: 20px;
    min-height: 400px;
}

/* Color Picker */
.color-input-wrapper {
    display: flex;
    gap: 10px;
    align-items: center;
}

.color-input-wrapper input[type="color"] {
    width: 50px;
    height: 38px;
    padding: 2px;
    cursor: pointer;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--border-radius);
}

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

/* Loading Spinner */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-gray-200);
    border-top-color: var(--color-gray-900);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.btn .spinner {
    width: 16px;
    height: 16px;
    border-width: 2px;
    border-top-color: currentColor;
    border-color: rgba(255,255,255,0.3);
}

/* Section Header */
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.section-header h2 {
    margin: 0;
    font-size: 15px;
    font-weight: 600;
    color: var(--color-gray-900);
}

/* Responsive */
@media (max-width: 768px) {
    .form-row {
        flex-direction: column;
        gap: 0;
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }

    .table-container {
        margin: 0 -24px;
    }

    th, td {
        padding: 10px 12px;
    }

    .header-brand span {
        display: none;
    }
}