/* =====================================================
   TypeBot Educacional — Dashboard Styles v2
   Dark/Light Theme + Modern Design
   ===================================================== */

/* DARK THEME (default) */
:root {
    --bg: #0f1117;
    --bg-card: #1a1d27;
    --bg-card-hover: #22252f;
    --bg-sidebar: #141720;
    --bg-input: #1a1d27;
    --text: #e4e6eb;
    --text-secondary: #8b8fa3;
    --text-muted: #6b7185;
    --primary: #6366f1;
    --primary-hover: #818cf8;
    --primary-glow: rgba(99,102,241,0.15);
    --success: #22c55e;
    --warning: #f59e0b;
    --danger: #ef4444;
    --blue: #3b82f6;
    --purple: #a855f7;
    --border: #2a2d3a;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 4px 24px rgba(0,0,0,0.3);
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.2);
    --glass: rgba(255,255,255,0.03);
    --glass-border: rgba(255,255,255,0.06);
}

/* LIGHT THEME */
[data-theme="light"] {
    --bg: #f0f2f5;
    --bg-card: #ffffff;
    --bg-card-hover: #f8f9fa;
    --bg-sidebar: #ffffff;
    --bg-input: #f0f2f5;
    --text: #1a1d27;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --primary-glow: rgba(99,102,241,0.1);
    --border: #e2e8f0;
    --shadow: 0 4px 24px rgba(0,0,0,0.08);
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.05);
    --glass: rgba(255,255,255,0.6);
    --glass-border: rgba(0,0,0,0.06);
}

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

body {
    font-family: 'Inter', -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    display: flex;
    min-height: 100vh;
    transition: background 0.3s ease, color 0.3s ease;
}

/* =====================================================
   Sidebar
   ===================================================== */
.sidebar {
    width: 250px;
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border);
    padding: 20px 14px;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    transition: background 0.3s ease, border-color 0.3s ease;
    display: flex;
    flex-direction: column;
    z-index: 100;
}

.sidebar-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
    padding: 0 8px;
}

.logo { font-size: 28px; }

.sidebar-header h2 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text);
    flex: 1;
}

.badge {
    background: linear-gradient(135deg, var(--primary), var(--purple));
    color: white;
    font-size: 10px;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 4px;
    letter-spacing: 1px;
}

/* Theme Toggle */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 8px 12px;
    margin: 0 8px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--bg);
    cursor: pointer;
    font-size: 13px;
    color: var(--text-secondary);
    transition: all 0.2s;
}
.theme-toggle:hover { background: var(--bg-card-hover); color: var(--text); }

/* Nav groups */
.nav-group-label {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-muted);
    padding: 16px 12px 6px;
}
.nav-group-label:first-of-type { padding-top: 0; }

.nav-links { list-style: none; flex: 1; }
.nav-links li { margin-bottom: 2px; }

.nav-links a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 9px 12px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    transition: all 0.2s;
}

.nav-links a:hover {
    background: var(--primary-glow);
    color: var(--text);
    transform: translateX(2px);
}

.nav-links a.active {
    background: linear-gradient(135deg, var(--primary), #7c3aed);
    color: white;
    box-shadow: 0 4px 12px rgba(99,102,241,0.3);
}

.icon { font-size: 16px; width: 22px; text-align: center; }

.nav-badge {
    margin-left: auto;
    background: var(--danger);
    color: white;
    font-size: 10px;
    font-weight: 700;
    padding: 2px 7px;
    border-radius: 10px;
    min-width: 18px;
    text-align: center;
}

/* =====================================================
   Content
   ===================================================== */
.content {
    flex: 1;
    margin-left: 250px;
    padding: 28px 32px;
    max-width: 1200px;
    transition: margin 0.3s;
}

.page-header {
    margin-bottom: 24px;
}

.page-header h1 {
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 4px;
    background: linear-gradient(135deg, var(--text) 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

/* =====================================================
   Stats Grid
   ===================================================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 14px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px;
    display: flex;
    align-items: center;
    gap: 14px;
    transition: all 0.3s ease;
    cursor: default;
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.stat-card.blue { border-left: 3px solid var(--blue); }
.stat-card.green { border-left: 3px solid var(--success); }
.stat-card.orange { border-left: 3px solid var(--warning); }
.stat-card.purple { border-left: 3px solid var(--purple); }
.stat-card.red { border-left: 3px solid var(--danger); }
.stat-card.indigo { border-left: 3px solid var(--primary); }

.stat-icon { font-size: 28px; }

.stat-info {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 22px;
    font-weight: 700;
}

.stat-label {
    font-size: 12px;
    color: var(--text-secondary);
}

/* =====================================================
   Cards
   ===================================================== */
.cards-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 16px;
    margin-bottom: 20px;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: var(--shadow-sm);
}

.card h3, .card-header h3 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 14px;
}

.card-header {
    margin-bottom: 14px;
}

.alert-card { border-left: 3px solid var(--warning); }

/* =====================================================
   Buttons
   ===================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s ease;
    color: white;
}

.btn:active { transform: scale(0.97); }
.btn-primary { background: var(--primary); }
.btn-primary:hover { background: var(--primary-hover); box-shadow: 0 4px 12px rgba(99,102,241,0.3); }
.btn-secondary { background: #374151; color: var(--text); }
.btn-secondary:hover { background: #4b5563; }
.btn-success { background: var(--success); }
.btn-success:hover { background: #16a34a; }
.btn-warning { background: var(--warning); color: #000; }
.btn-warning:hover { background: #d97706; }
.btn-danger { background: var(--danger); }
.btn-danger:hover { background: #dc2626; }
.btn-ghost { background: transparent; color: var(--text-secondary); border: 1px solid var(--border); }
.btn-ghost:hover { background: var(--bg-card-hover); color: var(--text); }
.btn-lg { padding: 12px 24px; font-size: 15px; }
.btn-sm { padding: 5px 10px; font-size: 12px; }

.quick-actions { display: flex; gap: 10px; flex-wrap: wrap; }

/* =====================================================
   How it Works
   ===================================================== */
.how-it-works { display: flex; flex-direction: column; gap: 12px; }

.step {
    display: flex;
    align-items: center;
    gap: 14px;
}

.step-num {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--purple));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
    flex-shrink: 0;
}

.step p { font-size: 13px; color: var(--text-secondary); }
.step strong { color: var(--text); }

/* =====================================================
   Menu List
   ===================================================== */
.menu-list { display: flex; flex-direction: column; gap: 8px; }

.menu-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    transition: all 0.2s;
}

.menu-item:hover { background: var(--bg-card-hover); border-color: var(--primary-glow); }
.menu-item.inactive { opacity: 0.5; }

.menu-item-left { display: flex; align-items: center; gap: 14px; }

.menu-pos {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--purple));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
    flex-shrink: 0;
}

.menu-info {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.menu-info strong { font-size: 14px; }
.menu-info span { font-size: 12px; color: var(--text-secondary); }

.menu-item-actions {
    display: flex;
    gap: 6px;
    align-items: center;
}

/* Tags */
.tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
}

.tag-root { background: rgba(59,130,246,0.15); color: var(--blue); }
.tag-branch { background: rgba(168,85,247,0.15); color: var(--purple); }
.tag-leaf { background: rgba(34,197,94,0.15); color: var(--success); }
.tag-file { background: rgba(245,158,11,0.15); color: var(--warning); }
.tag-inactive { background: rgba(107,113,133,0.15); color: var(--text-muted); }

.faq-cat {
    font-size: 11px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 8px;
    background: rgba(99,102,241,0.12);
    color: var(--primary-hover);
}

/* =====================================================
   Forms
   ===================================================== */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 14px;
}

.form-group label {
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 500;
}

input[type="text"], input[type="number"], textarea, select {
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-size: 13px;
    font-family: inherit;
    transition: border-color 0.2s, box-shadow 0.2s;
    width: 100%;
}

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

.edit-form {
    padding: 14px;
    margin-top: 8px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
}

.edit-form input, .edit-form textarea, .edit-form select {
    padding: 8px 12px;
    width: 100%;
    margin-bottom: 8px;
}

/* =====================================================
   Knowledge / FAQ
   ===================================================== */
.faq-list { display: flex; flex-direction: column; gap: 10px; }

.faq-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 16px;
    transition: border-color 0.2s;
}

.faq-card:hover { border-color: var(--primary-glow); }

.faq-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.faq-status {
    font-size: 11px;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 12px;
}

.faq-status.status-pendente { background: rgba(245,158,11,0.15); color: var(--warning); }
.faq-status.status-aprovado { background: rgba(34,197,94,0.15); color: var(--success); }
.faq-status.status-rejeitado { background: rgba(239,68,68,0.15); color: var(--danger); }

.faq-origin { font-size: 11px; color: var(--text-secondary); }
.faq-q { margin-bottom: 6px; font-size: 14px; }
.faq-a { font-size: 13px; color: var(--text-secondary); line-height: 1.5; }
.faq-actions { margin-top: 12px; display: flex; gap: 6px; flex-wrap: wrap; }

/* =====================================================
   Filter Bar
   ===================================================== */
.filter-bar {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    align-items: center;
    flex-wrap: wrap;
}

/* =====================================================
   Upload
   ===================================================== */
.upload-area {
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 48px 24px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
}

.upload-area:hover, .upload-area.dragover {
    border-color: var(--primary);
    background: var(--primary-glow);
}

.upload-icon { font-size: 48px; margin-bottom: 12px; }
.upload-area h3 { margin-bottom: 8px; font-size: 16px; }
.upload-area p { color: var(--text-secondary); font-size: 13px; margin-bottom: 16px; }
.upload-area input[type="file"] { display: none; }
.file-name { margin-top: 12px; font-size: 14px; color: var(--primary-hover); font-weight: 500; }

.upload-form {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

/* =====================================================
   Table
   ===================================================== */
.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th {
    text-align: left;
    padding: 10px 14px;
    font-size: 12px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border);
}

.data-table td {
    padding: 12px 14px;
    font-size: 14px;
    border-bottom: 1px solid var(--border);
}

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

.status-badge {
    font-size: 12px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 20px;
}

.status-badge.active { background: rgba(34,197,94,0.15); color: var(--success); }
.status-badge.muted { background: rgba(239,68,68,0.15); color: var(--danger); }

/* =====================================================
   Alerts
   ===================================================== */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
    font-size: 14px;
    animation: slideIn 0.3s ease;
}

.alert-success { background: rgba(34,197,94,0.1); border: 1px solid rgba(34,197,94,0.3); color: var(--success); }
.alert-error { background: rgba(239,68,68,0.1); border: 1px solid rgba(239,68,68,0.3); color: var(--danger); }
.alert-warning { background: rgba(245,158,11,0.1); border: 1px solid rgba(245,158,11,0.3); color: var(--warning); }

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

/* =====================================================
   Breadcrumbs
   ===================================================== */
.breadcrumb {
    display: flex;
    gap: 8px;
    align-items: center;
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 8px;
}

.breadcrumb a {
    color: var(--primary-hover);
    text-decoration: none;
}
.breadcrumb a:hover { text-decoration: underline; }

/* =====================================================
   Status indicators
   ===================================================== */
.status-dot {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin-right: 6px;
}
.status-dot.online { background: var(--success); box-shadow: 0 0 8px rgba(34,197,94,0.5); }
.status-dot.offline { background: var(--danger); }
.status-dot.connecting { background: var(--warning); animation: pulse 1.5s infinite; }

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

/* =====================================================
   Queue Data Card (formulário pré-fila)
   ===================================================== */
.queue-data {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 4px;
}
.queue-data-item {
    font-size: 11px;
    padding: 2px 8px;
    background: var(--primary-glow);
    border-radius: 8px;
    color: var(--primary-hover);
}
.queue-data-item strong {
    color: var(--text-secondary);
    font-weight: 600;
    margin-right: 4px;
}

/* =====================================================
   Misc
   ===================================================== */
.empty-state {
    text-align: center;
    padding: 40px;
    color: var(--text-secondary);
}
.empty-state a { color: var(--primary-hover); }

.text-muted { color: var(--text-secondary); font-size: 13px; }
.text-center { text-align: center; }

code {
    background: var(--bg);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 12px;
    color: var(--primary-hover);
}

/* Dashboard preview list */
.preview-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.preview-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    background: var(--bg);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    font-size: 13px;
    transition: background 0.2s;
}
.preview-item:hover { background: var(--bg-card-hover); }
.preview-item .pos {
    width: 24px; height: 24px; border-radius: 50%;
    background: var(--primary); color: white;
    display: flex; align-items: center; justify-content: center;
    font-size: 11px; font-weight: 700; flex-shrink: 0;
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar { display: none; }
    .content { margin-left: 0; padding: 16px; }
    .cards-row { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
}