/* ─── KBT CRM - Premium Design System ─────────────────────────────────────── */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ─── CSS Variables ──────────────────────────────────────────────────────────── */
:root {
  /* Brand Colors */
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #818cf8;
  --primary-glow: rgba(99, 102, 241, 0.25);

  /* Accent */
  --accent: #06b6d4;
  --accent-dark: #0891b2;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #3b82f6;

  /* Dark Theme */
  --bg-base: #0f1117;
  --bg-surface: #161b27;
  --bg-card: #1e2535;
  --bg-elevated: #252d3d;
  --bg-hover: #2a3347;
  --bg-input: #1a2130;

  /* Borders */
  --border: rgba(255, 255, 255, 0.06);
  --border-active: rgba(99, 102, 241, 0.5);

  /* Text */
  --text-primary: #f0f4ff;
  --text-secondary: #8b9cbf;
  --text-muted: #4d5c7d;
  --text-link: #818cf8;

  /* Sidebar */
  --sidebar-width: 260px;
  --sidebar-collapsed: 70px;
  --topbar-height: 64px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 30px var(--primary-glow);

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* Transitions */
  --transition: all 0.2s ease;
  --transition-slow: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ─── Base Reset ──────────────────────────────────────────────────────────────── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 14px;
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ─── Scrollbar ──────────────────────────────────────────────────────────────── */
::-webkit-scrollbar {
  width: 5px;
  height: 5px;
}

::-webkit-scrollbar-track {
  background: var(--bg-surface);
}

::-webkit-scrollbar-thumb {
  background: var(--bg-elevated);
  border-radius: 99px;
}

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

/* ─── Layout ─────────────────────────────────────────────────────────────────── */
.app-layout {
  display: flex;
  min-height: 100vh;
}

.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  padding-top: var(--topbar-height);
  transition: var(--transition-slow);
  min-height: 100vh;
}

body.sidebar-collapsed .main-content {
  margin-left: var(--sidebar-collapsed);
}

.content-area {
  padding: 28px;
  max-width: 1600px;
}

/* ─── Sidebar ─────────────────────────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-width);
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: var(--transition-slow);
  overflow: hidden;
}

.sidebar-brand {
  padding: 20px 20px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--border);
  min-height: var(--topbar-height);
  text-decoration: none;
}

.brand-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 16px;
  color: #fff;
  flex-shrink: 0;
  box-shadow: 0 4px 15px var(--primary-glow);
}

.brand-text {
  overflow: hidden;
}

.brand-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  white-space: nowrap;
  line-height: 1.2;
}

.brand-tagline {
  font-size: 11px;
  color: var(--text-secondary);
  white-space: nowrap;
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 12px 0;
}

.nav-section {
  padding: 16px 20px 4px;
}

.nav-section-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--text-muted);
  text-transform: uppercase;
  white-space: nowrap;
  overflow: hidden;
}

.nav-item {
  margin: 1px 10px;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 13.5px;
  font-weight: 500;
  transition: var(--transition);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

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

.nav-link.active {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(6, 182, 212, 0.1));
  color: var(--primary-light);
  border: 1px solid rgba(99, 102, 241, 0.2);
}

.nav-link.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(to bottom, var(--primary), var(--accent));
  border-radius: 0 3px 3px 0;
}

.nav-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  opacity: 0.8;
}

.nav-link.active .nav-icon {
  opacity: 1;
}

.nav-badge {
  margin-left: auto;
  background: var(--primary);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 20px;
  min-width: 18px;
  text-align: center;
}

.sidebar-footer {
  padding: 12px 10px;
  border-top: 1px solid var(--border);
}

/* ─── Topbar ─────────────────────────────────────────────────────────────────── */
.topbar {
  position: fixed;
  top: 0;
  left: var(--sidebar-width);
  right: 0;
  height: var(--topbar-height);
  background: rgba(22, 27, 39, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  z-index: 99;
  transition: var(--transition-slow);
}

body.sidebar-collapsed .topbar {
  left: var(--sidebar-collapsed);
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.sidebar-toggle {
  background: none;
  border: none;
  cursor: pointer;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: var(--transition);
}

.sidebar-toggle:hover {
  background: var(--bg-elevated);
  color: var(--text-primary);
}

.page-title-bar {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}

.page-breadcrumb {
  font-size: 12px;
  color: var(--text-muted);
}

.topbar-search {
  position: relative;
  display: flex;
  align-items: center;
}

.topbar-search input {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 12px 8px 36px;
  color: var(--text-primary);
  font-size: 13px;
  width: 220px;
  transition: var(--transition);
  outline: none;
}

.topbar-search input:focus {
  border-color: var(--primary);
  width: 280px;
}

.topbar-search .search-icon {
  position: absolute;
  left: 10px;
  color: var(--text-muted);
  width: 16px;
  height: 16px;
}

.btn-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  transition: var(--transition);
  position: relative;
  text-decoration: none;
}

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

.notification-dot {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 8px;
  height: 8px;
  background: var(--danger);
  border-radius: 50%;
  border: 2px solid var(--bg-surface);
}

.user-menu {
  position: relative;
}

.user-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 6px 12px 6px 6px;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.user-btn:hover {
  background: var(--bg-elevated);
  border-color: var(--border-active);
}

.user-avatar {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 11px;
  color: #fff;
  overflow: hidden;
  flex-shrink: 0;
}

.user-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

.user-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.2;
  white-space: nowrap;
}

.user-role {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: capitalize;
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 6px;
  min-width: 180px;
  box-shadow: var(--shadow-md);
  display: none;
  z-index: 200;
}

.dropdown-menu.show {
  display: block;
  animation: dropIn 0.15s ease;
}

@keyframes dropIn {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 13px;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
}

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

.dropdown-item.danger:hover {
  background: rgba(239, 68, 68, 0.1);
  color: var(--danger);
}

.dropdown-divider {
  height: 1px;
  background: var(--border);
  margin: 4px 6px;
}

/* ─── Cards ──────────────────────────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  border-bottom: 1px solid var(--border);
}

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

.card-subtitle {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

.card-body {
  padding: 20px;
}

/* ─── Stat Cards ─────────────────────────────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.stats-grid-4 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

.stat-card:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.stat-card::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  opacity: 0.05;
  transform: translate(20px, -20px);
}

.stat-card.purple::after {
  background: var(--primary);
}

.stat-card.cyan::after {
  background: var(--accent);
}

.stat-card.green::after {
  background: var(--success);
}

.stat-card.amber::after {
  background: var(--warning);
}

.stat-card.red::after {
  background: var(--danger);
}

.stat-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}

.stat-card.purple .stat-icon {
  background: rgba(99, 102, 241, 0.15);
  color: var(--primary-light);
}

.stat-card.cyan .stat-icon {
  background: rgba(6, 182, 212, 0.15);
  color: var(--accent);
}

.stat-card.green .stat-icon {
  background: rgba(16, 185, 129, 0.15);
  color: var(--success);
}

.stat-card.amber .stat-icon {
  background: rgba(245, 158, 11, 0.15);
  color: var(--warning);
}

.stat-card.red .stat-icon {
  background: rgba(239, 68, 68, 0.15);
  color: var(--danger);
}

.stat-value {
  font-size: 26px;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: 6px;
}

.stat-label {
  font-size: 12.5px;
  color: var(--text-secondary);
  font-weight: 500;
}

.stat-change {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  margin-top: 8px;
}

.stat-change.up {
  color: var(--success);
}

.stat-change.down {
  color: var(--danger);
}

/* ─── Buttons ─────────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 18px;
  border: none;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition);
  white-space: nowrap;
  line-height: 1;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12.5px;
}

.btn-lg {
  padding: 12px 24px;
  font-size: 15px;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px var(--primary-glow);
}

.btn-accent {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-accent:hover {
  transform: translateY(-1px);
  filter: brightness(1.1);
}

.btn-success {
  background: var(--success);
  color: #fff;
}

.btn-success:hover {
  background: #059669;
  transform: translateY(-1px);
}

.btn-danger {
  background: var(--danger);
  color: #fff;
}

.btn-danger:hover {
  background: #dc2626;
  transform: translateY(-1px);
}

.btn-warning {
  background: var(--warning);
  color: #000;
}

.btn-warning:hover {
  background: #d97706;
}

.btn-outline {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.btn-outline:hover {
  background: var(--bg-elevated);
  color: var(--text-primary);
  border-color: var(--border-active);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
}

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

.btn svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* ─── Forms ──────────────────────────────────────────────────────────────────── */
.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-label .required {
  color: var(--danger);
  margin-left: 3px;
}

.form-control {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 13.5px;
  transition: var(--transition);
  outline: none;
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

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

textarea.form-control {
  resize: vertical;
  min-height: 100px;
}

select.form-control {
  appearance: none;
  cursor: pointer;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-row-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
}

.form-hint {
  font-size: 11.5px;
  color: var(--text-muted);
  margin-top: 4px;
}

.form-error {
  font-size: 12px;
  color: var(--danger);
  margin-top: 4px;
}

.input-group {
  display: flex;
}

.input-group .form-control {
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
}

.input-group-append {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-left: none;
  padding: 10px 14px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-muted);
  font-size: 13px;
  display: flex;
  align-items: center;
}

/* ─── Tables ─────────────────────────────────────────────────────────────────── */
.table-responsive {
  display: block;
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
  border: 1px solid var(--border);
}

.table thead th {
  background: rgba(0, 0, 0, 0.2);
  padding: 14px 16px;
  text-align: left;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05rem;
  text-transform: uppercase;
  color: var(--text-primary);
  border: 1px solid var(--border);
  white-space: nowrap;
}

.table tbody tr {
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

.table tbody tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

.table tbody td {
  padding: 13px 16px;
  color: var(--text-secondary);
  vertical-align: middle;
  border: 1px solid var(--border);
}

.table tbody td .td-main {
  color: var(--text-primary);
  font-weight: 500;
  font-size: 13.5px;
}

.table tbody td .td-sub {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ─── Badges ─────────────────────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 11.5px;
  font-weight: 600;
  white-space: nowrap;
}

.badge::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
}

.badge-primary {
  background: rgba(99, 102, 241, 0.15);
  color: var(--primary-light);
}

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

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

.badge-danger {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
}

.badge-info {
  background: rgba(59, 130, 246, 0.15);
  color: #60a5fa;
}

.badge-secondary {
  background: rgba(139, 156, 191, 0.1);
  color: var(--text-muted);
}

/* ─── Page Header ────────────────────────────────────────────────────────────── */
.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 24px;
  gap: 16px;
  flex-wrap: wrap;
}

.page-header-left h1 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
}

.page-header-left p {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 4px;
}

.page-header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

/* ─── Flash Messages ─────────────────────────────────────────────────────────── */
.flash-container {
  margin-bottom: 20px;
}

.flash-message {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  font-size: 13.5px;
  font-weight: 500;
  border: 1px solid;
  animation: slideDown 0.3s ease;
}

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

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.flash-success {
  background: rgba(16, 185, 129, 0.1);
  border-color: rgba(16, 185, 129, 0.3);
  color: #34d399;
}

.flash-error {
  background: rgba(239, 68, 68, 0.1);
  border-color: rgba(239, 68, 68, 0.3);
  color: #f87171;
}

.flash-warning {
  background: rgba(245, 158, 11, 0.1);
  border-color: rgba(245, 158, 11, 0.3);
  color: #fbbf24;
}

.flash-info {
  background: rgba(59, 130, 246, 0.1);
  border-color: rgba(59, 130, 246, 0.3);
  color: #60a5fa;
}

.flash-close {
  margin-left: auto;
  background: none;
  border: none;
  cursor: pointer;
  color: inherit;
  opacity: 0.7;
}

.flash-close:hover {
  opacity: 1;
}

/* ─── Progress Bar ───────────────────────────────────────────────────────────── */
.progress {
  height: 6px;
  background: var(--bg-elevated);
  border-radius: 99px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transition: width 0.5s ease;
}

/* ─── Avatar ─────────────────────────────────────────────────────────────────── */
.avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  font-weight: 700;
  color: #fff;
  font-size: 13px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  flex-shrink: 0;
  overflow: hidden;
}

.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.avatar-sm {
  width: 32px;
  height: 32px;
  font-size: 12px;
}

.avatar-md {
  width: 40px;
  height: 40px;
  font-size: 14px;
}

.avatar-lg {
  width: 52px;
  height: 52px;
  font-size: 18px;
}

.avatar-xl {
  width: 72px;
  height: 72px;
  font-size: 24px;
}

/* ─── Tabs ───────────────────────────────────────────────────────────────────── */
.tabs {
  display: flex;
  gap: 2px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
}

.tab-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px 18px;
  font-family: inherit;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text-muted);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: var(--transition);
}

.tab-btn:hover {
  color: var(--text-secondary);
}

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

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* ─── Empty State ────────────────────────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.empty-state-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  opacity: 0.3;
}

.empty-state h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.empty-state p {
  font-size: 13px;
  max-width: 300px;
  margin: 0 auto 20px;
}

/* ─── Line Items Table ───────────────────────────────────────────────────────── */
.line-items-table {
  width: 100%;
  border-collapse: collapse;
}

.line-items-table th {
  padding: 10px 12px;
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  font-weight: 600;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
}

.line-items-table td {
  padding: 10px 12px;
  vertical-align: middle;
  border-bottom: 1px solid var(--border);
}

.line-items-table .form-control {
  padding: 7px 10px;
}

.line-items-table tr:hover td {
  background: rgba(255, 255, 255, 0.01);
}

.item-total-display {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 13.5px;
  text-align: right;
}

/* ─── Totals Box ─────────────────────────────────────────────────────────────── */
.totals-box {
  background: var(--bg-elevated);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  min-width: 280px;
}

.totals-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 7px 0;
  font-size: 13.5px;
}

.totals-row.total {
  border-top: 1px solid var(--border);
  margin-top: 6px;
  padding-top: 12px;
}

.totals-row.total .totals-label {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
}

.totals-row.total .totals-value {
  font-size: 18px;
  font-weight: 800;
  color: var(--primary-light);
}

.totals-label {
  color: var(--text-muted);
}

.totals-value {
  color: var(--text-primary);
  font-weight: 600;
}

/* ─── Priority Tags ──────────────────────────────────────────────────────────── */
.priority-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.priority-low {
  background: rgba(16, 185, 129, 0.1);
  color: var(--success);
}

.priority-medium {
  background: rgba(245, 158, 11, 0.1);
  color: var(--warning);
}

.priority-high {
  background: rgba(239, 68, 68, 0.1);
  color: var(--danger);
}

.priority-urgent {
  background: var(--danger);
  color: #fff;
}

/* ─── Kanban ─────────────────────────────────────────────────────────────────── */
.kanban-board {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding-bottom: 16px;
}

.kanban-col {
  min-width: 280px;
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
}

.kanban-col-header {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.kanban-col-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}

.kanban-cards {
  padding: 12px;
  flex: 1;
  min-height: 200px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.kanban-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  cursor: pointer;
  transition: var(--transition);
}

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

/* ─── Pagination ─────────────────────────────────────────────────────────────── */
.pagination {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
}

.page-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  transition: var(--transition);
}

.page-link:hover {
  background: var(--bg-elevated);
  color: var(--text-primary);
  border-color: var(--border-active);
}

.page-link.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.page-link.disabled {
  opacity: 0.4;
  pointer-events: none;
}

/* ─── Search Bar ─────────────────────────────────────────────────────────────── */
.search-bar {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

.search-input-wrap {
  position: relative;
  flex: 1;
  min-width: 200px;
}

.search-input-wrap .form-control {
  padding-left: 40px;
}

.search-input-wrap .search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  width: 16px;
}

/* ─── Signature Pad ──────────────────────────────────────────────────────────── */
.signature-pad-wrap {
  border: 2px dashed var(--border);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.02);
  cursor: crosshair;
}

.signature-pad-wrap:hover {
  border-color: var(--primary);
}

/* ─── Print Styles ───────────────────────────────────────────────────────────── */
@media print {

  .sidebar,
  .topbar,
  .no-print,
  .btn,
  .flash-container {
    display: none !important;
  }

  .main-content {
    margin: 0 !important;
    padding: 0 !important;
  }

  body {
    background: white;
    color: black;
  }

  .card {
    border: 1px solid #ddd;
  }
}

/* ─── Modals ─────────────────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
}

.modal-overlay.show {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 540px;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.95);
  transition: var(--transition);
  box-shadow: var(--shadow-lg);
}

.modal-overlay.show .modal {
  transform: scale(1);
}

.modal-header {
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 16px;
  font-weight: 700;
}

.modal-body {
  padding: 24px;
}

.modal-footer {
  padding: 16px 24px 20px;
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  border-top: 1px solid var(--border);
}

/* ─── Responsive ─────────────────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .sidebar {
    transform: translateX(-100%);
    z-index: 200;
  }

  .sidebar.mobile-open {
    transform: translateX(0);
  }

  .main-content {
    margin-left: 0 !important;
  }

  .topbar {
    left: 0 !important;
  }

  .content-area {
    padding: 20px 16px;
  }

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

@media (max-width: 640px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .form-row-2,
  .form-row-3 {
    grid-template-columns: 1fr;
  }

  .page-header {
    flex-direction: column;
  }

  .topbar-search input {
    width: 160px;
  }

  .kanban-board {
    flex-direction: column;
  }

  .hide-mobile {
    display: none !important;
  }

  .dashboard-grid,
  .dashboard-grid-2,
  .detail-grid {
    grid-template-columns: 1fr !important;
  }

  .table-responsive {
    margin: 0 -16px;
    padding: 0 4px;
    /* subtle padding so text doesn't touch screen edges too hard */
  }

  .table {
    min-width: 500px;
    /* Force scrollbar instead of cropping/extreme squishing */
  }

  .table thead th,
  .table tbody td {
    padding: 10px 8px;
    font-size: 12px;
  }

  .table td:last-child {
    padding-right: 12px;
    width: 60px;
  }
}

@media (max-width: 1024px) {
  .hide-tablet {
    display: none !important;
  }

  .detail-grid {
    grid-template-columns: 1fr !important;
  }
}

.detail-grid {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 20px;
  align-items: start;
}

.dashboard-grid {
  grid-template-columns: 2fr 1fr;
}

.dashboard-grid-2 {
  grid-template-columns: 1fr 1fr;
}

/* ─── Utilities ─────────────────────────────────────────────────────────────── */
.text-primary {
  color: var(--text-primary) !important;
}

.text-secondary {
  color: var(--text-secondary) !important;
}

.text-muted {
  color: var(--text-muted) !important;
}

.text-success {
  color: var(--success) !important;
}

.text-danger {
  color: var(--danger) !important;
}

.text-warning {
  color: var(--warning) !important;
}

.text-accent {
  color: var(--accent) !important;
}

.fw-400 {
  font-weight: 400;
}

.fw-500 {
  font-weight: 500;
}

.fw-600 {
  font-weight: 600;
}

.fw-700 {
  font-weight: 700;
}

.fw-800 {
  font-weight: 800;
}

.text-xs {
  font-size: 11px;
}

.text-sm {
  font-size: 12.5px;
}

.text-base {
  font-size: 14px;
}

.text-lg {
  font-size: 16px;
}

.text-xl {
  font-size: 18px;
}

.text-2xl {
  font-size: 22px;
}

.d-flex {
  display: flex;
}

.d-none {
  display: none;
}

.d-block {
  display: block;
}

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

.justify-between {
  justify-content: space-between;
}

.justify-end {
  justify-content: flex-end;
}

.gap-4 {
  gap: 4px;
}

.gap-8 {
  gap: 8px;
}

.gap-12 {
  gap: 12px;
}

.gap-16 {
  gap: 16px;
}

.mt-4 {
  margin-top: 4px;
}

.mt-8 {
  margin-top: 8px;
}

.mt-12 {
  margin-top: 12px;
}

.mt-16 {
  margin-top: 16px;
}

.mt-24 {
  margin-top: 24px;
}

.mb-4 {
  margin-bottom: 4px;
}

.mb-8 {
  margin-bottom: 8px;
}

.mb-12 {
  margin-bottom: 12px;
}

.mb-16 {
  margin-bottom: 16px;
}

.mb-24 {
  margin-bottom: 24px;
}

.p-0 {
  padding: 0 !important;
}

.w-100 {
  width: 100%;
}

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

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

.gradient-text {
  background: linear-gradient(135deg, var(--primary-light), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Tooltip */
[data-tooltip] {
  position: relative;
}

[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-elevated);
  color: var(--text-primary);
  font-size: 11.5px;
  padding: 5px 10px;
  border-radius: 6px;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  border: 1px solid var(--border);
  transition: var(--transition);
}

[data-tooltip]:hover::after {
  opacity: 1;
}

/* Loading spinner */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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