/* ============================================
   QUANTUM FINANCE - FUTURISTIC DESIGN SYSTEM
   Light/Modern Theme with Quantum Aesthetics
   ============================================ */

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

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

:root {
  /* Quantum Color Palette - Light & Vibrant */
  --quantum-white: #ffffff;
  --quantum-light: #f8fafc;
  --quantum-lighter: #f1f5f9;
  --quantum-border: #e2e8f0;
  --quantum-border-dark: #cbd5e1;
  
  --quantum-dark: #0f172a;
  --quantum-darker: #020617;
  
  /* Quantum Brand Colors */
  --quantum-primary: #6366f1;      /* Indigo */
  --quantum-primary-light: #818cf8;
  --quantum-primary-dark: #4f46e5;
  
  --quantum-secondary: #ec4899;    /* Pink */
  --quantum-accent: #14b8a6;       /* Teal */
  --quantum-warning: #f59e0b;
  --quantum-success: #10b981;
  
  /* Text Colors */
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-tertiary: #94a3b8;
  
  /* Quantum Gradients */
  --gradient-quantum: linear-gradient(135deg, #6366f1 0%, #ec4899 50%, #14b8a6 100%);
  --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  --gradient-pink: linear-gradient(135deg, #ec4899 0%, #f43f5e 100%);
  --gradient-teal: linear-gradient(135deg, #14b8a6 0%, #06b6d4 100%);
  
  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.08);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.12);
  --shadow-lg: 0 12px 32px rgba(15, 23, 42, 0.16);
  --shadow-quantum: 0 8px 24px rgba(99, 102, 241, 0.25);
}

body {
  font-family: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--quantum-light);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   NAVIGATION - Futuristic Top Bar
   ============================================ */
nav {
  background: var(--quantum-white);
  border-bottom: 2px solid transparent;
  border-image: var(--gradient-quantum);
  border-image-slice: 1;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-md);
}

nav .container {
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-logo {
  width: 44px;
  height: 44px;
  background: var(--gradient-quantum);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 20px;
  color: white;
  box-shadow: var(--shadow-quantum);
  transform: rotate(-5deg);
}

.nav-brand h1 {
  font-size: 24px;
  font-weight: 700;
  background: var(--gradient-quantum);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -1px;
}

.nav-links {
  display: flex;
  gap: 8px;
  align-items: center;
  background: var(--quantum-lighter);
  padding: 8px;
  border-radius: 16px;
  border: 2px solid var(--quantum-border);
}

nav a {
  position: relative;
  padding: 12px 24px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 15px;
  font-weight: 600;
  border-radius: 12px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  white-space: nowrap;
}

nav a:hover {
  color: var(--quantum-primary);
  background: white;
  box-shadow: var(--shadow-sm);
}

nav a.active {
  color: white;
  background: var(--gradient-primary);
  box-shadow: var(--shadow-quantum);
  transform: translateY(-2px);
}

/* User Section */
.nav-user {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient-pink);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 16px;
  cursor: pointer;
  transition: transform 0.3s ease;
  box-shadow: 0 0 0 3px var(--quantum-white), 0 0 0 5px var(--quantum-border);
}

.nav-avatar:hover {
  transform: scale(1.1) rotate(5deg);
}

/* ============================================
   SIDEBAR NAVIGATION
   ============================================ */
.layout {
  display: flex;
  min-height: calc(100vh - 80px);
}

.sidebar {
  width: 280px;
  background: var(--quantum-white);
  border-right: 1px solid var(--quantum-border);
  padding: 32px 20px;
  position: sticky;
  top: 80px;
  height: calc(100vh - 80px);
  overflow-y: auto;
}

.sidebar-section {
  margin-bottom: 32px;
}

.sidebar-title {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 1.2px;
  margin-bottom: 12px;
  padding: 0 12px;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  border-radius: 12px;
  transition: all 0.2s ease;
}

.sidebar-nav a i {
  width: 20px;
  font-size: 16px;
}

.sidebar-nav a:hover {
  background: var(--quantum-lighter);
  color: var(--quantum-primary);
}

.sidebar-nav a.active {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-sm);
}

/* ============================================
   MAIN CONTENT AREA
   ============================================ */
.main-content {
  flex: 1;
  padding: 40px;
  background: var(--quantum-light);
  max-width: calc(100% - 280px);
}

.container {
  max-width: 1400px;
  margin: 0 auto;
}

/* ============================================
   PAGE HEADER - Modern Design
   ============================================ */
.page-header {
  margin-bottom: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 24px;
  border-bottom: 2px solid var(--quantum-border);
}

.page-title-section h1 {
  font-size: 36px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
  letter-spacing: -1px;
}

.page-subtitle {
  font-size: 16px;
  color: var(--text-secondary);
  font-weight: 500;
}

/* ============================================
   CARDS - Clean & Modern
   ============================================ */
.card {
  background: var(--quantum-white);
  border: 1px solid var(--quantum-border);
  border-radius: 20px;
  padding: 32px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--shadow-sm);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
  border-color: var(--quantum-primary-light);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 2px solid var(--quantum-lighter);
}

.card-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
}

/* ============================================
   METRIC CARDS - Quantum Style
   ============================================ */
.metric-card {
  background: var(--quantum-white);
  border: 2px solid var(--quantum-border);
  border-radius: 20px;
  padding: 28px;
  position: relative;
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.metric-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-quantum);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.metric-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--quantum-primary);
}

.metric-card:hover::before {
  transform: scaleX(1);
}

.metric-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 24px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-quantum);
}

.metric-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 8px;
}

.metric-value {
  font-size: 40px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 12px;
  font-variant-numeric: tabular-nums;
  letter-spacing: -2px;
}

.metric-change {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 700;
}

.metric-change.positive {
  background: rgba(16, 185, 129, 0.1);
  color: var(--quantum-success);
}

.metric-change.negative {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
}

/* ============================================
   FORMS - Beautiful Modern Forms
   ============================================ */
.form-group {
  margin-bottom: 24px;
}

label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 10px;
  letter-spacing: 0.3px;
}

input, select, textarea {
  width: 100%;
  padding: 16px 20px;
  background: var(--quantum-lighter);
  border: 2px solid var(--quantum-border);
  border-radius: 14px;
  color: var(--text-primary);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 15px;
  font-weight: 500;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

input:hover, select:hover, textarea:hover {
  border-color: var(--quantum-border-dark);
  background: white;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--quantum-primary);
  background: white;
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

input::placeholder {
  color: var(--text-tertiary);
  font-weight: 400;
}

/* ============================================
   BUTTONS - Quantum Design
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 14px;
  font-size: 15px;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-quantum);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(99, 102, 241, 0.35);
}

.btn-secondary {
  background: white;
  color: var(--quantum-primary);
  border: 2px solid var(--quantum-border);
}

.btn-secondary:hover {
  border-color: var(--quantum-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.btn-danger {
  background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
  color: white;
}

.btn-danger:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(239, 68, 68, 0.3);
}

/* ============================================
   BADGES - Modern Style
   ============================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.3px;
}

.badge-primary {
  background: rgba(99, 102, 241, 0.12);
  color: var(--quantum-primary);
}

.badge-success {
  background: rgba(16, 185, 129, 0.12);
  color: var(--quantum-success);
}

.badge-warning {
  background: rgba(245, 158, 11, 0.12);
  color: var(--quantum-warning);
}

/* ============================================
   TABLES - Clean Design
   ============================================ */
.table-container {
  background: var(--quantum-white);
  border-radius: 20px;
  border: 1px solid var(--quantum-border);
  overflow: hidden;
}

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

.table th {
  text-align: left;
  padding: 18px 24px;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 1px;
  background: var(--quantum-lighter);
  border-bottom: 2px solid var(--quantum-border);
}

.table td {
  padding: 20px 24px;
  font-size: 15px;
  color: var(--text-primary);
  border-bottom: 1px solid var(--quantum-border);
  font-weight: 500;
}

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

.table tr:hover {
  background: var(--quantum-light);
}

/* ============================================
   GRID SYSTEM
   ============================================ */
.grid {
  display: grid;
  gap: 24px;
}

.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1200px) {
  .grid-cols-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .grid-cols-2,
  .grid-cols-3,
  .grid-cols-4 {
    grid-template-columns: 1fr;
  }
  
  .sidebar {
    display: none;
  }
  
  .main-content {
    max-width: 100%;
    padding: 24px;
  }
}

/* ============================================
   UTILITIES
   ============================================ */
.mb-2 { margin-bottom: 8px; }
.mb-4 { margin-bottom: 16px; }
.mb-6 { margin-bottom: 24px; }
.mb-8 { margin-bottom: 32px; }

.mt-4 { margin-top: 16px; }
.mt-6 { margin-top: 24px; }

.text-sm { font-size: 13px; }
.text-base { font-size: 15px; }
.text-lg { font-size: 17px; }
.text-xl { font-size: 20px; }
.text-2xl { font-size: 24px; }

.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-2 { gap: 8px; }
.gap-4 { gap: 16px; }
.gap-6 { gap: 24px; }

.text-center { text-align: center; }

/* ============================================
   LOADING SPINNER
   ============================================ */
.spinner {
  width: 50px;
  height: 50px;
  border: 4px solid var(--quantum-border);
  border-top-color: var(--quantum-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* ============================================
   SCROLLBAR
   ============================================ */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--quantum-light);
}

::-webkit-scrollbar-thumb {
  background: var(--quantum-border-dark);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--quantum-primary-light);
}

/* ============================================
   FILTER BUTTONS - Status Filters
   ============================================ */
.btn-filter {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 600;
  border: 2px solid var(--quantum-border);
  background: white;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.btn-filter:hover {
  border-color: var(--quantum-primary);
  color: var(--quantum-primary);
  background: var(--quantum-lighter);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.btn-filter.active {
  background: var(--gradient-primary);
  color: white;
  border-color: transparent;
  box-shadow: var(--shadow-quantum);
}

.btn-filter i {
  font-size: 12px;
}

/* ============================================
   STATUS BADGES - Client Status
   ============================================ */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.3px;
  text-transform: uppercase;
}

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

.status-active {
  background: rgba(16, 185, 129, 0.15);
  color: var(--quantum-success);
}

.status-inactive {
  background: rgba(148, 163, 184, 0.15);
  color: var(--text-tertiary);
}

.status-archived {
  background: rgba(239, 68, 68, 0.15);
  color: #ef4444;
}

/* ============================================
   FULLCALENDAR CUSTOMIZATION
   ============================================ */
.fc {
  font-family: 'Space Grotesk', sans-serif;
}

.fc .fc-toolbar-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
}

.fc .fc-button {
  background: white;
  color: var(--text-secondary);
  border: 2px solid var(--quantum-border);
  border-radius: 10px;
  padding: 8px 16px;
  font-weight: 600;
  text-transform: capitalize;
  transition: all 0.2s ease;
}

.fc .fc-button:hover {
  background: var(--quantum-lighter);
  border-color: var(--quantum-primary);
  color: var(--quantum-primary);
}

.fc .fc-button-primary:not(:disabled).fc-button-active,
.fc .fc-button-primary:not(:disabled):active {
  background: var(--gradient-primary);
  color: white;
  border-color: transparent;
  box-shadow: var(--shadow-quantum);
}

.fc .fc-button:disabled {
  opacity: 0.4;
}

.fc-theme-standard td,
.fc-theme-standard th {
  border-color: var(--quantum-border);
}

.fc-theme-standard .fc-scrollgrid {
  border-color: var(--quantum-border);
}

.fc .fc-col-header-cell {
  background: var(--quantum-lighter);
  padding: 12px 4px;
  font-weight: 700;
  font-size: 12px;
  text-transform: uppercase;
  color: var(--text-tertiary);
  letter-spacing: 0.5px;
}

.fc .fc-daygrid-day-number {
  font-weight: 600;
  padding: 8px;
  color: var(--text-primary);
}

.fc .fc-daygrid-day.fc-day-today {
  background: rgba(99, 102, 241, 0.08);
}

.fc .fc-daygrid-day.fc-day-today .fc-daygrid-day-number {
  color: var(--quantum-primary);
  font-weight: 700;
}

.fc-event {
  border-radius: 6px;
  padding: 4px 8px;
  font-weight: 600;
  font-size: 13px;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
}

.fc-event:hover {
  opacity: 0.85;
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.fc-event-title {
  font-weight: 600;
}

.fc .fc-daygrid-event-dot {
  display: none;
}

/* List view */
.fc .fc-list-event:hover td {
  background: var(--quantum-lighter);
}

.fc .fc-list-event-time,
.fc .fc-list-event-title {
  font-weight: 600;
}

/* Time grid */
.fc .fc-timegrid-slot {
  height: 3em;
  border-color: var(--quantum-border);
}

.fc .fc-timegrid-slot-label {
  font-weight: 600;
  color: var(--text-tertiary);
}

/* ============================================
   CLIENT LIST - Special Styling
   ============================================ */
.client-card {
  background: white;
  border: 2px solid var(--quantum-border);
  border-radius: 20px;
  padding: 24px;
  transition: all 0.3s ease;
  cursor: pointer;
}

.client-card:hover {
  border-color: var(--quantum-primary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.client-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}

.client-avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--gradient-quantum);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 22px;
  font-weight: 700;
  box-shadow: var(--shadow-md);
}

.client-info h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

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

.client-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--quantum-border);
}

.client-stat {
  text-align: center;
}

.client-stat-value {
  font-size: 20px;
  font-weight: 700;
  color: var(--quantum-primary);
  margin-bottom: 4px;
}

.client-stat-label {
  font-size: 12px;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ============================================
   NAV USER ACTIONS - Search & Notifications
   ============================================ */
.nav-search-btn,
.nav-notification-btn {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--quantum-lighter);
  border: 1px solid var(--quantum-border);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  position: relative;
}

.nav-search-btn:hover,
.nav-notification-btn:hover {
  background: white;
  border-color: var(--quantum-primary);
  color: var(--quantum-primary);
  box-shadow: var(--shadow-sm);
}

.notification-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  width: 18px;
  height: 18px;
  background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 700;
  color: white;
  border: 2px solid var(--quantum-white);
}

/* ============================================
   CLIENT CONTEXT - Current Client Display
   ============================================ */
.client-context {
  background: var(--gradient-primary);
  border-radius: 16px;
  padding: 16px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-md);
}

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

.client-context-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 16px;
  color: var(--quantum-primary);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.client-context-info {
  flex: 1;
}

.client-context-name {
  font-size: 16px;
  font-weight: 700;
  color: white;
  margin-bottom: 2px;
}

.client-context-status {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.8);
  font-weight: 500;
}

.client-context-close {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.2);
  border: none;
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.client-context-close:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: rotate(90deg);
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes slideIn {
  from {
    transform: translateX(400px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes slideOut {
  from {
    transform: translateX(0);
    opacity: 1;
  }
  to {
    transform: translateX(400px);
    opacity: 0;
  }
}

/* ============================================
   CLIENT FILE TABS
   ============================================ */
.client-file-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
  border-bottom: 2px solid var(--quantum-border);
  padding-bottom: 0;
}

.tab-btn {
  padding: 14px 24px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  border-bottom: 3px solid transparent;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 8px;
  position: relative;
  margin-bottom: -2px;
}

.tab-btn:hover {
  color: var(--quantum-primary);
  background: var(--quantum-lighter);
}

.tab-btn.active {
  color: var(--quantum-primary);
  border-bottom-color: var(--quantum-primary);
}

.tab-badge {
  background: var(--quantum-primary);
  color: white;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 700;
}

.tab-content {
  min-height: 400px;
}

/* ============================================
   INFO GRID (Client Overview)
   ============================================ */
.info-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.info-item {
  padding: 16px;
  background: var(--quantum-lighter);
  border-radius: 10px;
  border: 1px solid var(--quantum-border);
}

.info-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}

.info-value {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
}

/* ============================================
   NOTES
   ============================================ */
.note-item {
  background: var(--quantum-lighter);
  border: 1px solid var(--quantum-border);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 16px;
  transition: all 0.2s ease;
}

.note-item:hover {
  border-color: var(--quantum-primary);
  box-shadow: var(--shadow-sm);
}

.note-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.note-content {
  font-size: 15px;
  color: var(--text-primary);
  line-height: 1.6;
  margin-bottom: 12px;
  white-space: pre-wrap;
}

.note-footer {
  font-size: 13px;
  color: var(--text-tertiary);
  font-style: italic;
}

.btn-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  border: 1px solid var(--quantum-border);
  background: white;
  color: var(--text-secondary);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.btn-icon:hover {
  border-color: var(--quantum-primary);
  color: var(--quantum-primary);
  background: var(--quantum-lighter);
}

/* ============================================
   TIMELINE
   ============================================ */
.timeline {
  position: relative;
  padding-left: 40px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 15px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--quantum-border);
}

.timeline-item {
  position: relative;
  margin-bottom: 32px;
  padding-bottom: 32px;
}

.timeline-item:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
}

.timeline-marker {
  position: absolute;
  left: -28px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid white;
  box-shadow: 0 0 0 2px var(--quantum-border);
}

.marker-primary {
  background: var(--quantum-primary);
}

.marker-success {
  background: var(--quantum-success);
}

.timeline-content {
  background: var(--quantum-lighter);
  border: 1px solid var(--quantum-border);
  border-radius: 12px;
  padding: 16px;
}

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

.timeline-type {
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.timeline-date {
  font-size: 13px;
  color: var(--text-tertiary);
}

.timeline-description {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.timeline-footer {
  font-size: 12px;
  color: var(--text-tertiary);
  font-style: italic;
}