/* Stitch - Unified Prototype Design System */

/* ========================================
   CSS CUSTOM PROPERTIES (DESIGN TOKENS)
   ======================================== */
:root {
  /* Primary Colors */
  --color-primary: #136dec;
  --color-primary-hover: #0f5bc6;
  --color-primary-light: #eef4fd;
  
  /* Background Colors */
  --color-bg-page: #f6f7f8;
  --color-bg-surface: #ffffff;
  --color-bg-subtle: #f8f9fa;
  --color-bg-hover: #f0f2f4;
  
  /* Border Colors */
  --color-border: #e5e7eb;
  --color-border-light: #f0f2f4;
  
  /* Text Colors */
  --color-text-primary: #111418;
  --color-text-secondary: #617289;
  --color-text-muted: #9aa2ac;
  
  /* Status Colors */
  --color-success: #10b981;
  --color-success-light: #d1fae5;
  --color-warning: #f59e0b;
  --color-warning-light: #fef3c7;
  --color-error: #ef4444;
  --color-error-light: #fee2e2;
  --color-info: #3b82f6;
  --color-info-light: #dbeafe;
  
  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  
  /* Font Weights */
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  --font-black: 900;
  
  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  
  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 200ms ease;
  --transition-slow: 300ms ease;
  
  /* Layout */
  --sidebar-width: 256px;
  --header-height: 64px;
}

/* ========================================
   BASE STYLES
   ======================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.5;
  color: var(--color-text-primary);
  background-color: var(--color-bg-page);
  min-height: 100vh;
  overflow: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  height: auto;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

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

.sidebar {
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--color-bg-surface);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  z-index: 20;
}

.main-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
}

.header {
  height: var(--header-height);
  background: var(--color-bg-surface);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-6);
  flex-shrink: 0;
  z-index: 10;
}

.content-area {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-8);
}

/* ========================================
   SIDEBAR COMPONENTS
   ======================================== */
.sidebar-brand {
  height: var(--header-height);
  padding: 0 var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  border-bottom: 1px solid var(--color-border-light);
}

.sidebar-brand-icon {
  width: 32px;
  height: 32px;
  background: var(--color-primary-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}

.sidebar-brand-text h1 {
  font-size: var(--font-size-sm);
  font-weight: var(--font-bold);
  line-height: 1.2;
}

.sidebar-brand-text span {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-4) var(--space-3);
}

.nav-section {
  margin-bottom: var(--space-6);
}

.nav-section-title {
  font-size: var(--font-size-xs);
  font-weight: var(--font-semibold);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0 var(--space-3);
  margin-bottom: var(--space-2);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-lg);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-medium);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.nav-item:hover {
  background: var(--color-bg-hover);
  color: var(--color-text-primary);
}

.nav-item.active {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.nav-item .material-symbols-outlined {
  font-size: 22px;
}

.sidebar-footer {
  padding: var(--space-4);
  border-top: 1px solid var(--color-border);
}

.user-profile {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
  cursor: pointer;
}

.user-profile:hover {
  background: var(--color-bg-hover);
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background-size: cover;
  background-position: center;
  border: 2px solid var(--color-border);
}

.user-info {
  flex: 1;
  min-width: 0;
}

.user-info .name {
  font-size: var(--font-size-sm);
  font-weight: var(--font-medium);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-info .role {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
}

/* ========================================
   HEADER COMPONENTS
   ======================================== */
.header-left {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.header-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-bold);
}

.search-box {
  position: relative;
  max-width: 320px;
}

.search-box .material-symbols-outlined {
  position: absolute;
  left: var(--space-3);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  font-size: 20px;
}

.search-box input {
  width: 100%;
  height: 40px;
  padding: 0 var(--space-4) 0 var(--space-10);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg-subtle);
  transition: all var(--transition-fast);
}

.search-box input:focus {
  outline: none;
  border-color: var(--color-primary);
  background: var(--color-bg-surface);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.search-box input::placeholder {
  color: var(--color-text-muted);
}

.header-right {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* ========================================
   BUTTONS
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
  font-weight: var(--font-bold);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

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

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

.btn-secondary {
  background: var(--color-bg-surface);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  background: var(--color-bg-hover);
}

.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-lg);
  background: var(--color-bg-subtle);
  color: var(--color-text-secondary);
}

.btn-icon:hover {
  background: var(--color-bg-hover);
  color: var(--color-text-primary);
}

.btn-icon .material-symbols-outlined {
  font-size: 20px;
}

/* ========================================
   CARDS
   ======================================== */
.card {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
}

.card-header {
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--color-border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-bold);
}

.card-body {
  padding: var(--space-6);
}

/* ========================================
   KPI CARDS
   ======================================== */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-4);
}

.kpi-card {
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.kpi-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.kpi-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.kpi-icon.blue { background: #dbeafe; color: #2563eb; }
.kpi-icon.purple { background: #f3e8ff; color: #9333ea; }
.kpi-icon.amber { background: #fef3c7; color: #d97706; }
.kpi-icon.rose { background: #ffe4e6; color: #e11d48; }

.kpi-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-2);
  font-size: var(--font-size-xs);
  font-weight: var(--font-medium);
  border-radius: var(--radius-full);
  background: var(--color-success-light);
  color: #059669;
}

.kpi-content .label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  font-weight: var(--font-medium);
}

.kpi-content .value {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-bold);
  margin-top: var(--space-1);
}

/* ========================================
   BADGES & TAGS
   ======================================== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-2);
  font-size: var(--font-size-xs);
  font-weight: var(--font-medium);
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
}

.badge-primary { background: var(--color-primary-light); color: var(--color-primary); border-color: #c7d8f9; }
.badge-success { background: var(--color-success-light); color: #059669; border-color: #a7f3d0; }
.badge-warning { background: var(--color-warning-light); color: #b45309; border-color: #fcd34d; }
.badge-error { background: var(--color-error-light); color: #dc2626; border-color: #fca5a5; }
.badge-gray { background: #f1f5f9; color: #475569; border-color: #e2e8f0; }

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

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

.table th {
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-xs);
  font-weight: var(--font-semibold);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: var(--color-bg-subtle);
  border-bottom: 1px solid var(--color-border);
}

.table td {
  padding: var(--space-4);
  border-bottom: 1px solid var(--color-border-light);
  font-size: var(--font-size-sm);
}

.table tr:hover {
  background: var(--color-bg-subtle);
}

/* ========================================
   KANBAN BOARD
   ======================================== */
.kanban-container {
  display: flex;
  gap: var(--space-6);
  overflow-x: auto;
  padding-bottom: var(--space-4);
  min-height: calc(100vh - 200px);
}

.kanban-column {
  min-width: 320px;
  max-width: 320px;
  background: var(--color-bg-surface);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  max-height: 100%;
}

.kanban-column-header {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--color-bg-subtle);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.kanban-column-title {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  font-weight: var(--font-semibold);
  color: var(--color-text-secondary);
}

.kanban-column-count {
  font-size: var(--font-size-xs);
  font-weight: var(--font-medium);
  padding: var(--space-1) var(--space-2);
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  color: var(--color-text-secondary);
}

.kanban-column-cards {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.kanban-card {
  padding: var(--space-4);
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.kanban-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

.kanban-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-2);
}

.kanban-card-id {
  font-size: 11px;
  font-family: monospace;
  color: var(--color-text-muted);
}

.kanban-card-title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-medium);
  margin-bottom: var(--space-3);
  line-height: 1.4;
}

.kanban-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.kanban-card-avatar {
  width: 24px;
  height: 24px;
  border-radius: var(--radius-full);
  background-size: cover;
  background-position: center;
}

/* ========================================
   STATUS INDICATORS
   ======================================== */
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
}

.status-dot.online { background: var(--color-success); }
.status-dot.offline { background: #cbd5e1; }
.status-dot.busy { background: var(--color-warning); }

/* ========================================
   FORM ELEMENTS
   ======================================== */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-primary);
}

.form-label .required {
  color: var(--color-error);
}

.form-input {
  height: 44px;
  padding: 0 var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg-surface);
  transition: all var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form-input::placeholder {
  color: var(--color-text-muted);
}

.form-textarea {
  min-height: 120px;
  padding: var(--space-3) var(--space-4);
  resize: vertical;
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23617289' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 16px;
  padding-right: 40px;
}

/* ========================================
   NOTIFICATIONS PANEL
   ======================================== */
.notifications-overlay {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: none;
}

.notifications-overlay.active {
  display: flex;
  justify-content: flex-end;
}

.notifications-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(4px);
}

.notifications-panel {
  position: relative;
  width: 100%;
  max-width: 420px;
  height: 100%;
  background: var(--color-bg-surface);
  box-shadow: var(--shadow-xl);
  display: flex;
  flex-direction: column;
  border-left: 1px solid var(--color-border);
  transform: translateX(100%);
  transition: transform var(--transition-slow);
}

.notifications-overlay.active .notifications-panel {
  transform: translateX(0);
}

.notifications-header {
  padding: var(--space-6);
  border-bottom: 1px solid var(--color-border);
}

.notifications-header-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-4);
}

.notifications-tabs {
  display: flex;
  gap: var(--space-6);
  border-bottom: 1px solid var(--color-border);
}

.notifications-tab {
  padding: var(--space-3) 0;
  font-size: var(--font-size-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-secondary);
  position: relative;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.notifications-tab.active {
  color: var(--color-text-primary);
  font-weight: var(--font-bold);
}

.notifications-tab.active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-primary);
  border-radius: 1px 1px 0 0;
}

.notifications-list {
  flex: 1;
  overflow-y: auto;
}

.notification-item {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-5);
  border-bottom: 1px solid var(--color-border-light);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.notification-item:hover {
  background: var(--color-bg-subtle);
}

.notification-item.critical {
  background: #fef2f2;
  border-left: 4px solid var(--color-error);
}

.notification-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.notification-content {
  flex: 1;
  min-width: 0;
}

.notification-title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-bold);
  margin-bottom: var(--space-1);
}

.notification-message {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
}

.notification-time {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.notifications-footer {
  padding: var(--space-4);
  border-top: 1px solid var(--color-border);
}

/* ========================================
   PROGRESS STEPPER
   ======================================== */
.stepper {
  display: flex;
  justify-content: space-between;
  position: relative;
}

.stepper::before {
  content: '';
  position: absolute;
  top: 20px;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--color-border);
  z-index: 0;
}

.stepper-progress {
  position: absolute;
  top: 20px;
  left: 0;
  height: 4px;
  background: var(--color-primary);
  z-index: 1;
  transition: width var(--transition-slow);
}

.step {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  z-index: 2;
}

.step-indicator {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-surface);
  border: 3px solid var(--color-border);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.step.completed .step-indicator {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

.step.active .step-indicator {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.step-label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-secondary);
  text-align: center;
}

.step.completed .step-label,
.step.active .step-label {
  color: var(--color-primary);
  font-weight: var(--font-bold);
}

.step-date {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

/* ========================================
   TOGGLE SWITCH
   ======================================== */
.toggle {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
}

.toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background: #cbd5e1;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.toggle-slider::before {
  content: '';
  position: absolute;
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background: white;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.toggle input:checked + .toggle-slider {
  background: var(--color-primary);
}

.toggle input:checked + .toggle-slider::before {
  transform: translateX(20px);
}

/* ========================================
   UTILITY CLASSES
   ======================================== */
.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--color-text-secondary); }
.text-muted { color: var(--color-text-muted); }
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }
.text-error { color: var(--color-error); }

.bg-primary { background: var(--color-primary); }
.bg-surface { background: var(--color-bg-surface); }
.bg-subtle { background: var(--color-bg-subtle); }

.font-medium { font-weight: var(--font-medium); }
.font-semibold { font-weight: var(--font-semibold); }
.font-bold { font-weight: var(--font-bold); }

.text-xs { font-size: var(--font-size-xs); }
.text-sm { font-size: var(--font-size-sm); }
.text-base { font-size: var(--font-size-base); }
.text-lg { font-size: var(--font-size-lg); }
.text-xl { font-size: var(--font-size-xl); }
.text-2xl { font-size: var(--font-size-2xl); }
.text-3xl { font-size: var(--font-size-3xl); }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-1 { flex: 1; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }

.grid { display: grid; }
.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); }

.p-4 { padding: var(--space-4); }
.p-6 { padding: var(--space-6); }
.px-4 { padding-left: var(--space-4); padding-right: var(--space-4); }
.py-2 { padding-top: var(--space-2); padding-bottom: var(--space-2); }

.mt-4 { margin-top: var(--space-4); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }

.rounded { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-full { border-radius: var(--radius-full); }

.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }

.border { border: 1px solid var(--color-border); }
.border-t { border-top: 1px solid var(--color-border); }
.border-b { border-bottom: 1px solid var(--color-border); }

.hidden { display: none; }
.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ========================================
   SCROLLBAR STYLING
   ======================================== */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #94a3b8;
}

/* ========================================
   ANIMATIONS
   ======================================== */
@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes ping {
  75%, 100% {
    transform: scale(2);
    opacity: 0;
  }
}

.animate-spin {
  animation: spin 3s linear infinite;
}

.animate-ping {
  animation: ping 1s cubic-bezier(0, 0, 0.2, 1) infinite;
}