/* ============================================
   AI Receptionist - Styles
   ============================================ */

:root {
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --primary-light: #e0e7ff;
    --bg: #0f1117;
    --bg-card: #1a1d27;
    --bg-card-hover: #22252f;
    --bg-input: #252830;
    --text: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --border: #2d3140;
    --success: #22c55e;
    --success-bg: rgba(34, 197, 94, 0.1);
    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.1);
    --danger: #ef4444;
    --danger-bg: rgba(239, 68, 68, 0.1);
    --info: #3b82f6;
    --info-bg: rgba(59, 130, 246, 0.1);
    --sidebar-width: 260px;
    --topbar-height: 64px;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Inter', sans-serif; background: var(--bg); color: var(--text); min-height: 100vh; }

#app { display: flex; min-height: 100vh; }

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-card);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; bottom: 0;
    z-index: 100;
    transition: transform 0.3s;
}
.sidebar-header { padding: 24px 20px; border-bottom: 1px solid var(--border); }
.logo { display: flex; align-items: center; gap: 12px; font-size: 18px; font-weight: 700; color: var(--primary); }
.logo i { font-size: 24px; }
.sidebar-nav { flex: 1; padding: 12px 10px; display: flex; flex-direction: column; gap: 2px; }
.nav-item {
    display: flex; align-items: center; gap: 12px; padding: 12px 16px;
    border-radius: var(--radius-sm); color: var(--text-secondary);
    text-decoration: none; font-size: 14px; font-weight: 500;
    transition: all 0.2s;
}
.nav-item:hover { background: var(--bg-card-hover); color: var(--text); }
.nav-item.active { background: var(--primary); color: white; }
.nav-item i { width: 20px; text-align: center; }
.sidebar-footer { padding: 16px 20px; border-top: 1px solid var(--border); }
.status-badge { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-secondary); }
.status-badge.online i { color: var(--success); font-size: 8px; }
.menu-toggle { display: none; background: none; border: none; color: var(--text); font-size: 20px; cursor: pointer; }

/* Main Content */
.main-content { flex: 1; margin-left: var(--sidebar-width); }
.topbar {
    height: var(--topbar-height); padding: 0 32px;
    display: flex; align-items: center; gap: 16px;
    border-bottom: 1px solid var(--border);
    background: var(--bg-card);
    position: sticky; top: 0; z-index: 50;
}
.topbar h1 { font-size: 20px; font-weight: 600; flex: 1; }
.badge { background: var(--primary-light); color: var(--primary); padding: 6px 14px; border-radius: 20px; font-size: 13px; font-weight: 600; }
.content { padding: 32px; }

/* Cards */
.card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 24px;
    transition: border-color 0.2s;
}
.card:hover { border-color: var(--primary); }
.card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.card-header h3 { font-size: 16px; font-weight: 600; }

/* Stats Grid */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 32px; }
.stat-card { padding: 20px; }
.stat-card .stat-icon { width: 44px; height: 44px; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 18px; margin-bottom: 12px; }
.stat-card .stat-icon.calls { background: var(--info-bg); color: var(--info); }
.stat-card .stat-icon.appointments { background: var(--success-bg); color: var(--success); }
.stat-card .stat-icon.numbers { background: var(--warning-bg); color: var(--warning); }
.stat-card .stat-icon.today { background: rgba(139, 92, 246, 0.1); color: #8b5cf6; }
.stat-card .stat-value { font-size: 28px; font-weight: 700; margin-bottom: 4px; }
.stat-card .stat-label { font-size: 13px; color: var(--text-secondary); }

/* Grid layouts */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }

/* Tables */
.table-container { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th { text-align: left; padding: 12px 16px; font-size: 12px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-muted); border-bottom: 1px solid var(--border); }
td { padding: 14px 16px; border-bottom: 1px solid var(--border); font-size: 14px; }
tr:hover td { background: var(--bg-card-hover); }

/* Status badges */
.status { padding: 4px 12px; border-radius: 20px; font-size: 12px; font-weight: 600; display: inline-block; }
.status.scheduled, .status.active, .status.in-progress { background: var(--success-bg); color: var(--success); }
.status.completed { background: var(--info-bg); color: var(--info); }
.status.cancelled, .status.no-show { background: var(--danger-bg); color: var(--danger); }
.status.missed { background: var(--warning-bg); color: var(--warning); }

/* Buttons */
.btn {
    padding: 10px 20px; border-radius: var(--radius-sm); font-size: 14px;
    font-weight: 600; cursor: pointer; border: none; transition: all 0.2s;
    display: inline-flex; align-items: center; gap: 8px;
}
.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-secondary { background: var(--bg-input); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--bg-card-hover); }
.btn-danger { background: var(--danger); color: white; }
.btn-danger:hover { background: #dc2626; }
.btn-sm { padding: 6px 14px; font-size: 13px; }
.btn-icon { width: 36px; height: 36px; padding: 0; display: flex; align-items: center; justify-content: center; border-radius: 8px; background: var(--bg-input); border: 1px solid var(--border); color: var(--text-secondary); cursor: pointer; }
.btn-icon:hover { color: var(--text); border-color: var(--primary); }

/* Forms */
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; color: var(--text-secondary); margin-bottom: 8px; }
.form-group input, .form-group select, .form-group textarea {
    width: 100%; padding: 10px 14px; background: var(--bg-input);
    border: 1px solid var(--border); border-radius: var(--radius-sm);
    color: var(--text); font-size: 14px; font-family: inherit;
    transition: border-color 0.2s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none; border-color: var(--primary);
}
.form-group textarea { min-height: 100px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* Toggle */
.toggle { position: relative; width: 44px; height: 24px; cursor: pointer; }
.toggle input { display: none; }
.toggle-slider {
    position: absolute; inset: 0; background: var(--bg-input);
    border: 1px solid var(--border); border-radius: 12px; transition: 0.2s;
}
.toggle-slider::before {
    content: ''; position: absolute; width: 18px; height: 18px;
    border-radius: 50%; background: var(--text-secondary);
    top: 2px; left: 2px; transition: 0.2s;
}
.toggle input:checked + .toggle-slider { background: var(--primary); border-color: var(--primary); }
.toggle input:checked + .toggle-slider::before { transform: translateX(20px); background: white; }

/* Phone number cards */
.phone-card { display: flex; align-items: center; gap: 16px; padding: 16px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-sm); margin-bottom: 8px; }
.phone-card .phone-info { flex: 1; }
.phone-card .phone-number { font-size: 16px; font-weight: 600; font-family: monospace; }
.phone-card .phone-meta { font-size: 13px; color: var(--text-secondary); margin-top: 4px; }

/* Search results */
.search-results { max-height: 400px; overflow-y: auto; }
.search-result {
    display: flex; align-items: center; justify-content: space-between;
    padding: 12px 16px; border-bottom: 1px solid var(--border);
    transition: background 0.2s;
}
.search-result:hover { background: var(--bg-card-hover); }

/* Schedule grid */
.schedule-grid { display: flex; flex-direction: column; gap: 12px; }
.schedule-row { display: flex; align-items: center; gap: 16px; padding: 12px; background: var(--bg-input); border-radius: var(--radius-sm); }
.schedule-day { width: 100px; font-weight: 600; font-size: 14px; }
.schedule-times { display: flex; align-items: center; gap: 8px; flex: 1; }
.schedule-times input[type="time"] { padding: 6px 10px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 6px; color: var(--text); font-size: 13px; }

/* Loading */
.loading { display: flex; align-items: center; justify-content: center; padding: 60px; }
.spinner { width: 32px; height: 32px; border: 3px solid var(--border); border-top-color: var(--primary); border-radius: 50%; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Empty state */
.empty-state { text-align: center; padding: 60px 20px; color: var(--text-secondary); }
.empty-state i { font-size: 48px; margin-bottom: 16px; opacity: 0.3; }
.empty-state h3 { font-size: 18px; color: var(--text); margin-bottom: 8px; }

/* Modal */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.6); display: flex; align-items: center; justify-content: center; z-index: 200; }
.modal { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); width: 90%; max-width: 560px; max-height: 80vh; overflow-y: auto; }
.modal-header { display: flex; align-items: center; justify-content: space-between; padding: 20px 24px; border-bottom: 1px solid var(--border); }
.modal-header h3 { font-size: 18px; }
.modal-close { background: none; border: none; color: var(--text-secondary); font-size: 24px; cursor: pointer; }
.modal-body { padding: 24px; }

/* Toast */
.toast-container { position: fixed; top: 20px; right: 20px; z-index: 300; display: flex; flex-direction: column; gap: 8px; }
.toast { padding: 14px 20px; border-radius: var(--radius-sm); font-size: 14px; font-weight: 500; animation: slideIn 0.3s; box-shadow: var(--shadow); }
.toast.success { background: var(--success); color: white; }
.toast.error { background: var(--danger); color: white; }
.toast.info { background: var(--info); color: white; }
@keyframes slideIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* Tabs */
.tabs { display: flex; gap: 4px; margin-bottom: 24px; background: var(--bg-input); padding: 4px; border-radius: var(--radius-sm); }
.tab { padding: 8px 20px; border-radius: 6px; font-size: 14px; font-weight: 500; cursor: pointer; color: var(--text-secondary); background: none; border: none; transition: all 0.2s; }
.tab.active { background: var(--primary); color: white; }
.tab:hover:not(.active) { color: var(--text); }

/* Responsive */
@media (max-width: 768px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.open { transform: translateX(0); }
    .main-content { margin-left: 0; }
    .menu-toggle { display: block; }
    .content { padding: 16px; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .grid-2 { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
}