/* ============================================
   CHIP SPA — Design System
   Airbnb Warm Marketplace + Cam Đất Branding
   ============================================ */

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

:root {
  /* Primary - Cam Năng Động HITA */
  --primary: #FF6B00;
  --primary-light: #FF8A33;
  --primary-dark: #E05F00;
  --primary-soft: #FFF3E8;
  --primary-hover: #F06400;

  /* Neutrals - Warm tones (Airbnb style) */
  --bg: #FFFFFF;
  --bg-secondary: #F7F7F7;
  --bg-card: #FFFFFF;
  --bg-sidebar: #1A1A1A;
  --bg-sidebar-hover: #2A2A2A;
  --surface: #F0EEEB;
  --border: #EBEBEB;
  --border-light: #F2F2F2;

  /* Text */
  --text-primary: #222222;
  --text-secondary: #717171;
  --text-tertiary: #B0B0B0;
  --text-inverse: #FFFFFF;
  --text-sidebar: #C0C0C0;
  --text-sidebar-active: #FFFFFF;

  /* Semantic */
  --success: #008A05;
  --success-soft: #E6F7E6;
  --warning: #E8A317;
  --warning-soft: #FFF8E1;
  --danger: #D93900;
  --danger-soft: #FFEBE5;
  --info: #0077CC;
  --info-soft: #E5F0FF;

  /* Spacing */
  --sp-xs: 4px;
  --sp-sm: 8px;
  --sp-md: 16px;
  --sp-lg: 24px;
  --sp-xl: 32px;
  --sp-2xl: 48px;

  /* Radius - Airbnb rounded */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 50%;

  /* Shadows - Airbnb subtle */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-lg: 0 4px 16px rgba(0,0,0,0.1);
  --shadow-xl: 0 8px 30px rgba(0,0,0,0.12);
  --shadow-card: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-card-hover: 0 6px 20px rgba(0,0,0,0.1);

  /* Font */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, sans-serif;

  /* Transitions */
  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; -webkit-font-smoothing: antialiased; }
body {
  font-family: var(--font-body);
  color: var(--text-primary);
  background: var(--bg-secondary);
  line-height: 1.5;
  overflow: hidden;
  height: 100vh;
}
a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
input, select, textarea {
  font-family: inherit;
  font-size: 0.875rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  outline: none;
  transition: var(--transition);
  width: 100%;
  background: var(--bg);
  color: var(--text-primary);
}
input:focus, select:focus, textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(212, 101, 42, 0.15);
}

/* ============================================
   LAYOUT
   ============================================ */
.app-layout {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

/* Sidebar */
.sidebar {
  width: 240px;
  min-width: 240px;
  background: var(--bg-sidebar);
  display: flex;
  flex-direction: column;
  padding: var(--sp-md) 0;
  transition: var(--transition-slow);
  z-index: 100;
}
.sidebar-brand {
  display: flex;
  align-items: center;
  gap: var(--sp-md);
  padding: var(--sp-sm) var(--sp-lg);
  margin-bottom: var(--sp-xl);
}
.sidebar-brand .logo-icon {
  width: 40px;
  height: 40px;
  background: var(--primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: white;
  flex-shrink: 0;
}
.sidebar-brand .brand-text {
  display: flex;
  flex-direction: column;
}
.sidebar-brand .brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-inverse);
  letter-spacing: 0.5px;
}
.sidebar-brand .brand-tagline {
  font-size: 0.65rem;
  color: var(--text-tertiary);
  letter-spacing: 0.3px;
}

.sidebar-nav { flex: 1; padding: 0 var(--sp-sm); }
.nav-section-label {
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--text-tertiary);
  padding: var(--sp-lg) var(--sp-md) var(--sp-sm);
}
.nav-item {
  display: flex;
  align-items: center;
  gap: var(--sp-md);
  padding: 10px var(--sp-md);
  border-radius: var(--radius-sm);
  color: var(--text-sidebar);
  font-size: 0.875rem;
  font-weight: 400;
  transition: var(--transition);
  margin-bottom: 2px;
  position: relative;
}
.nav-item:hover {
  background: var(--bg-sidebar-hover);
  color: var(--text-sidebar-active);
}
.nav-item.active {
  background: rgba(212, 101, 42, 0.15);
  color: var(--primary-light);
  font-weight: 500;
}
.nav-item.active::before {
  content: '';
  position: absolute;
  left: -8px;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 20px;
  background: var(--primary);
  border-radius: 0 4px 4px 0;
}
.nav-item .nav-icon {
  font-size: 1.1rem;
  width: 22px;
  text-align: center;
  flex-shrink: 0;
}
.nav-item .nav-badge {
  margin-left: auto;
  background: var(--primary);
  color: white;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 10px;
  min-width: 20px;
  text-align: center;
}

.sidebar-footer {
  padding: var(--sp-md) var(--sp-lg);
  border-top: 1px solid rgba(255,255,255,0.08);
}
.sidebar-user {
  display: flex;
  align-items: center;
  gap: var(--sp-md);
}
.sidebar-user .user-avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 0.85rem;
  font-weight: 600;
  flex-shrink: 0;
}
.sidebar-user .user-info { display: flex; flex-direction: column; }
.sidebar-user .user-name { font-size: 0.8rem; font-weight: 500; color: var(--text-inverse); }
.sidebar-user .user-role { font-size: 0.7rem; color: var(--text-tertiary); }

/* Main Content Area */
.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
}

/* Top Bar */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-md) var(--sp-xl);
  background: var(--bg);
  border-bottom: 1px solid var(--border-light);
  min-height: 64px;
  flex-shrink: 0;
}
.topbar-left { display: flex; align-items: center; gap: var(--sp-md); }
.topbar-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--text-primary);
}
.topbar-subtitle {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.topbar-right { display: flex; align-items: center; gap: var(--sp-md); }
.topbar-search {
  position: relative;
  width: 280px;
}
.topbar-search input {
  padding-left: 38px;
  background: var(--bg-secondary);
  border: 1px solid transparent;
  border-radius: var(--radius-xl);
  height: 40px;
  font-size: 0.85rem;
}
.topbar-search input:focus {
  background: var(--bg);
  border-color: var(--border);
}
.topbar-search .search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-tertiary);
  font-size: 0.9rem;
}
.topbar-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 1.1rem;
  transition: var(--transition);
  position: relative;
}
.topbar-btn:hover { background: var(--bg-secondary); color: var(--text-primary); }
.topbar-btn .badge-dot {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 8px;
  height: 8px;
  background: var(--danger);
  border-radius: var(--radius-full);
  border: 2px solid var(--bg);
}

/* Page Content */
.page-content {
  flex: 1;
  overflow-y: auto;
  padding: var(--sp-xl);
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}
.page-content::-webkit-scrollbar { width: 6px; }
.page-content::-webkit-scrollbar-track { background: transparent; }
.page-content::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

/* ============================================
   DASHBOARD
   ============================================ */

/* Greeting */
.greeting {
  margin-bottom: var(--sp-xl);
}
.greeting h1 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--text-primary);
}
.greeting p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* Stat Cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-md);
  margin-bottom: var(--sp-xl);
}
.stat-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: var(--sp-lg);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.stat-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}
.stat-card .stat-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  margin-bottom: var(--sp-md);
}

/* Gradient Stat Cards */
.stat-card.gradient-orange {
  background: linear-gradient(135deg, #FF6B00, #FF9A44);
  border: none;
  box-shadow: 0 4px 15px rgba(255, 107, 0, 0.3);
}
.stat-card.gradient-blue {
  background: linear-gradient(135deg, #4A9EDF, #6BB8F0);
  border: none;
  box-shadow: 0 4px 15px rgba(74, 158, 223, 0.3);
}
.stat-card.gradient-green {
  background: linear-gradient(135deg, #2ECC71, #55D98D);
  border: none;
  box-shadow: 0 4px 15px rgba(46, 204, 113, 0.3);
}
.stat-card.gradient-purple {
  background: linear-gradient(135deg, #9B59B6, #B07CC6);
  border: none;
  box-shadow: 0 4px 15px rgba(155, 89, 182, 0.3);
}
.stat-card[class*="gradient-"] .stat-icon {
  background: rgba(255,255,255,0.2);
  color: white;
}
.stat-card[class*="gradient-"] .stat-label { color: rgba(255,255,255,0.85); }
.stat-card[class*="gradient-"] .stat-value { color: #FFFFFF; }
.stat-card[class*="gradient-"] .stat-change {
  background: rgba(255,255,255,0.2);
  color: #FFFFFF;
}
.stat-card[class*="gradient-"]:hover {
  transform: translateY(-4px);
  filter: brightness(1.05);
}

.stat-card .stat-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 6px;
  font-weight: 500;
}
.stat-card .stat-value {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}
.stat-card .stat-change {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.75rem;
  font-weight: 500;
  margin-top: 8px;
  padding: 3px 8px;
  border-radius: 20px;
}
.stat-change.up { color: var(--success); background: var(--success-soft); }
.stat-change.down { color: var(--danger); background: var(--danger-soft); }

/* Dashboard Grid */
.dashboard-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: var(--sp-lg);
}

/* Card Panel */
.panel {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}
.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-lg) var(--sp-lg) var(--sp-md);
}
.panel-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
}
.panel-action {
  font-size: 0.8rem;
  color: var(--primary);
  font-weight: 500;
  transition: var(--transition);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
}
.panel-action:hover { background: var(--primary-soft); }
.panel-body { padding: 0 var(--sp-lg) var(--sp-lg); }

/* Appointment List */
.appointment-list { display: flex; flex-direction: column; gap: var(--sp-sm); }
.appointment-item {
  display: flex;
  align-items: center;
  gap: var(--sp-md);
  padding: var(--sp-md);
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  transition: var(--transition);
}
.appointment-item:hover { background: var(--surface); }
.appt-time {
  min-width: 52px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-primary);
  text-align: center;
}
.appt-divider {
  width: 3px;
  height: 36px;
  border-radius: 2px;
  flex-shrink: 0;
}
.appt-divider.completed { background: var(--success); }
.appt-divider.waiting { background: var(--warning); }
.appt-divider.upcoming { background: var(--info); }
.appt-info { flex: 1; min-width: 0; }
.appt-name {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.appt-service {
  font-size: 0.75rem;
  color: var(--text-secondary);
}
.appt-status {
  font-size: 0.7rem;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: 20px;
  white-space: nowrap;
}
.appt-status.completed { background: var(--success-soft); color: var(--success); }
.appt-status.waiting { background: var(--warning-soft); color: var(--warning); }
.appt-status.upcoming { background: var(--info-soft); color: var(--info); }

/* Birthday & Alert Cards */
.alert-list { display: flex; flex-direction: column; gap: var(--sp-sm); }
.alert-item {
  display: flex;
  align-items: center;
  gap: var(--sp-md);
  padding: var(--sp-md);
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  transition: var(--transition);
}
.alert-item:hover { background: var(--surface); }
.alert-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}
.alert-icon.birthday { background: #FFF0F5; }
.alert-icon.inactive { background: var(--warning-soft); }
.alert-info { flex: 1; }
.alert-name { font-size: 0.85rem; font-weight: 500; color: var(--text-primary); }
.alert-detail { font-size: 0.75rem; color: var(--text-secondary); }
.alert-action-btn {
  font-size: 0.75rem;
  color: var(--primary);
  font-weight: 500;
  padding: 5px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--primary);
  transition: var(--transition);
  white-space: nowrap;
}
.alert-action-btn:hover { background: var(--primary); color: white; }

/* Revenue Mini Chart */
.mini-chart {
  height: 120px;
  display: flex;
  align-items: flex-end;
  gap: 6px;
  padding-top: var(--sp-md);
}
.chart-bar {
  flex: 1;
  border-radius: 4px 4px 0 0;
  background: var(--primary-soft);
  transition: var(--transition);
  min-height: 8px;
  position: relative;
}
.chart-bar:hover { background: var(--primary); }
.chart-bar.active { background: var(--primary); }

/* Quick Actions */
.quick-actions {
  display: flex;
  gap: var(--sp-sm);
  margin-bottom: var(--sp-lg);
}
.quick-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-xl);
  font-size: 0.85rem;
  font-weight: 500;
  transition: var(--transition);
  white-space: nowrap;
}
.quick-action-btn.primary {
  background: var(--primary);
  color: white;
}
.quick-action-btn.primary:hover {
  background: var(--primary-hover);
  box-shadow: var(--shadow-md);
}
.quick-action-btn.secondary {
  background: var(--bg);
  color: var(--text-primary);
  border: 1px solid var(--border);
}
.quick-action-btn.secondary:hover {
  border-color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}

/* Mobile Bottom Navigation */
.mobile-bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--bg);
  border-top: 1px solid var(--border-light);
  box-shadow: 0 -2px 10px rgba(0,0,0,0.05);
  z-index: 1000;
  padding-bottom: env(safe-area-inset-bottom);
}
.mobile-nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 10px 0;
  color: var(--text-tertiary);
  transition: var(--transition);
}
.mobile-nav-item .icon { font-size: 1.25rem; margin-bottom: 2px; }
.mobile-nav-item .label { font-size: 0.65rem; font-weight: 500; }
.mobile-nav-item.active { color: var(--primary); }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .dashboard-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .sidebar { display: none; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .topbar-search { display: none; }
  
  .mobile-bottom-nav { display: flex; }
  .app-layout { flex-direction: column; }
  
  .page-content {
    padding: var(--sp-md) var(--sp-md) calc(80px + env(safe-area-inset-bottom)) var(--sp-md);
  }
  
  .greeting h1 { font-size: 1.25rem; }
  
  .quick-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-sm);
    margin-right: 0;
    padding-right: 0;
    padding-bottom: 0;
    overflow-x: visible;
  }
  .quick-action-btn { 
    width: 100%;
    justify-content: center;
    padding: 12px 8px;
    font-size: 0.8rem;
  }
}