/* ============================================
   CRM Enterprise — Shared Stylesheet
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Material+Symbols+Outlined:wght,FILL@100..700,0..1&display=swap');

/* ---------- CSS Variables (Design Tokens) ---------- */
:root {
  --color-primary: #111827;
  --color-primary-container: #1f2937;
  --color-surface: #f8f9fa;
  --color-surface-low: #f3f4f5;
  --color-surface-lowest: #ffffff;
  --color-outline: #6b7280;
  --color-outline-variant: #e5e7eb;
  --color-on-surface: #111827;
  --color-on-surface-variant: #4b5563;
  --color-secondary: #4b5563;
  --color-error: #dc2626;

  --sidebar-width: 272px;
  --header-height: 64px;
  --border-radius: 8px;
  --transition: all 0.2s ease;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -1px rgba(0,0,0,0.04);
}

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

html { font-size: 16px; -webkit-text-size-adjust: 100%; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--color-surface);
  color: var(--color-on-surface);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { text-decoration: none; color: inherit; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
input, select, textarea { font-family: inherit; }

/* ---------- Material Icons ---------- */
.material-symbols-outlined {
  font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
  font-size: 20px;
  line-height: 1;
  vertical-align: middle;
  user-select: none;
}

/* ---------- Sidebar ---------- */
#crm-sidebar {
  position: fixed;
  left: 0;
  top: 0;
  height: 100vh;
  width: var(--sidebar-width);
  background: #ffffff;
  border-right: 1px solid var(--color-outline-variant);
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Sidebar Brand */
.sidebar-brand {
  padding: 24px 20px 20px;
  border-bottom: 1px solid var(--color-outline-variant);
}
.sidebar-brand-logo {
  width: 36px;
  height: 36px;
  background: var(--color-primary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  margin-bottom: 12px;
}
.sidebar-brand h1 {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: -0.02em;
}
.sidebar-brand p {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-outline);
  margin-top: 2px;
}

/* Sidebar Nav */
.sidebar-nav {
  flex: 1;
  padding: 12px 12px;
  overflow-y: auto;
}
.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--border-radius);
  font-size: 14px;
  font-weight: 500;
  color: var(--color-outline);
  transition: var(--transition);
  margin-bottom: 2px;
  position: relative;
}
.sidebar-nav a:hover {
  background: var(--color-surface-low);
  color: var(--color-primary);
}
.sidebar-nav a.active {
  background: var(--color-surface-low);
  color: var(--color-primary);
  font-weight: 600;
}
.sidebar-nav a.active::before {
  content: '';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 60%;
  background: var(--color-primary);
  border-radius: 2px 0 0 2px;
}
.sidebar-nav a .nav-badge {
  margin-left: auto;
  font-size: 10px;
  font-weight: 700;
  background: var(--color-primary);
  color: #fff;
  padding: 2px 7px;
  border-radius: 20px;
}
.sidebar-section-label {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-outline);
  padding: 16px 12px 6px;
}

/* Sidebar Footer (User Profile) */
.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--color-outline-variant);
}
.sidebar-user {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition);
}
.sidebar-user:hover { background: var(--color-surface-low); }
.sidebar-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-surface-low);
  border: 2px solid var(--color-outline-variant);
  object-fit: cover;
}
.sidebar-avatar-placeholder {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}
.sidebar-user-info { flex: 1; overflow: hidden; }
.sidebar-user-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sidebar-user-role {
  font-size: 11px;
  color: var(--color-outline);
  margin-top: 1px;
}

/* ---------- Header ---------- */
#crm-header {
  position: fixed;
  top: 0;
  right: 0;
  left: var(--sidebar-width);
  height: var(--header-height);
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-outline-variant);
  display: flex;
  align-items: center;
  padding: 0 28px;
  gap: 16px;
  z-index: 90;
}

/* Search Bar */
.header-search {
  flex: 1;
  max-width: 420px;
  position: relative;
}
.header-search .search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-outline);
  font-size: 18px;
}
.header-search input {
  width: 100%;
  padding: 8px 16px 8px 40px;
  background: var(--color-surface-low);
  border: 1px solid transparent;
  border-radius: var(--border-radius);
  font-size: 13px;
  color: var(--color-primary);
  transition: var(--transition);
  outline: none;
}
.header-search input:focus {
  background: #fff;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(17,24,39,0.06);
}
.header-search input::placeholder { color: var(--color-outline); }

/* Header Right Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}
.header-icon-btn {
  width: 36px;
  height: 36px;
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-outline);
  transition: var(--transition);
  position: relative;
}
.header-icon-btn:hover {
  background: var(--color-surface-low);
  color: var(--color-primary);
}
.header-icon-btn .badge {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-error);
  border: 2px solid #fff;
}
.header-divider {
  width: 1px;
  height: 24px;
  background: var(--color-outline-variant);
  margin: 0 8px;
}

/* Breadcrumb (in header) */
.header-breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
}
.header-breadcrumb a { color: var(--color-outline); transition: var(--transition); }
.header-breadcrumb a:hover { color: var(--color-primary); }
.header-breadcrumb .sep { color: var(--color-outline-variant); font-size: 16px; }
.header-breadcrumb .current { color: var(--color-primary); font-weight: 600; }

/* ---------- Main Content Area ---------- */
#crm-main {
  margin-left: var(--sidebar-width);
  padding-top: var(--header-height);
  min-height: 100vh;
}
.page-content {
  padding: 32px 28px;
  max-width: 1440px;
}

/* ---------- Page Header Section ---------- */
.page-header {
  margin-bottom: 28px;
}
.page-title {
  font-size: 26px;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: -0.02em;
}
.page-subtitle {
  font-size: 14px;
  color: var(--color-outline);
  margin-top: 4px;
}
.page-header-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

/* ---------- Cards ---------- */
.card {
  background: #fff;
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
}
.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-outline-variant);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.card-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-primary);
}
.card-body { padding: 20px; }

/* ---------- Stat Cards ---------- */
.stat-card {
  background: #fff;
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--border-radius);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.stat-card:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.stat-card-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-outline);
  margin-bottom: 12px;
}
.stat-card-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: -0.02em;
  line-height: 1;
}
.stat-card-trend {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-weight: 600;
  margin-top: 10px;
}
.stat-card-trend.up { color: #16a34a; }
.stat-card-trend.down { color: var(--color-error); }
.stat-card-trend span { color: var(--color-outline); font-weight: 400; margin-left: 4px; }
.stat-card-icon {
  float: right;
  width: 36px;
  height: 36px;
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface-low);
  color: var(--color-secondary);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 18px;
  border-radius: var(--border-radius);
  font-size: 13px;
  font-weight: 600;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-primary);
  color: #fff;
}
.btn-primary:hover { opacity: 0.88; }
.btn-secondary {
  background: #fff;
  color: var(--color-primary);
  border: 1px solid var(--color-outline-variant);
}
.btn-secondary:hover { background: var(--color-surface-low); }
.btn .material-symbols-outlined { font-size: 16px; }

/* ---------- Badges / Status Pills ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
}
.badge-active    { background: #dcfce7; color: #15803d; }
.badge-active    .badge-dot { background: #16a34a; }
.badge-new       { background: #fef9c3; color: #854d0e; }
.badge-new       .badge-dot { background: #ca8a04; }
.badge-contacted { background: #e0f2fe; color: #0369a1; }
.badge-contacted .badge-dot { background: #0284c7; }
.badge-qualified { background: var(--color-surface-low); color: var(--color-secondary); }
.badge-qualified .badge-dot { background: var(--color-primary); }
.badge-stalled   { background: #fff7ed; color: #9a3412; }
.badge-stalled   .badge-dot { background: #ea580c; }
.badge-priority  { background: #ffecea; color: #b91c1c; }

/* ---------- Table ---------- */
.crm-table { width: 100%; border-collapse: collapse; }
.crm-table thead tr { border-bottom: 1px solid var(--color-outline-variant); background: #fafafa; }
.crm-table th {
  padding: 12px 20px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-outline);
  text-align: left;
}
.crm-table td { padding: 14px 20px; border-bottom: 1px solid #f3f4f5; }
.crm-table tbody tr { transition: var(--transition); }
.crm-table tbody tr:hover { background: var(--color-surface-low); }
.crm-table tbody tr:last-child td { border-bottom: none; }
.row-actions { opacity: 0; transition: var(--transition); }
.crm-table tbody tr:hover .row-actions { opacity: 1; }

/* ---------- Avatar ---------- */
.avatar {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--color-surface-low);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  color: var(--color-secondary);
  border: 1px solid var(--color-outline-variant);
  flex-shrink: 0;
}
.avatar-lg {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  font-size: 18px;
  font-weight: 800;
  background: var(--color-primary);
  color: #fff;
}

/* ---------- Form Elements ---------- */
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-outline);
}
.form-control {
  padding: 10px 14px;
  background: var(--color-surface-low);
  border: 1px solid transparent;
  border-radius: var(--border-radius);
  font-size: 14px;
  color: var(--color-primary);
  outline: none;
  transition: var(--transition);
  width: 100%;
}
.form-control:focus {
  background: #fff;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(17,24,39,0.06);
}
.form-control::placeholder { color: var(--color-outline); }
.input-prefix {
  position: relative;
}
.input-prefix .prefix-symbol {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-outline);
  font-size: 14px;
  font-weight: 500;
}
.input-prefix .form-control { padding-left: 28px; }

/* ---------- Timeline ---------- */
.timeline { position: relative; }
.timeline::before {
  content: '';
  position: absolute;
  left: 19px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--color-outline-variant);
}
.timeline-item { display: flex; gap: 20px; padding-bottom: 28px; position: relative; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  z-index: 1;
}
.timeline-icon.filled { background: var(--color-primary); color: #fff; }
.timeline-icon.outline {
  background: #fff;
  border: 1px solid var(--color-outline-variant);
  color: var(--color-secondary);
}
.timeline-body { flex: 1; }
.timeline-title { font-size: 14px; font-weight: 600; color: var(--color-primary); }
.timeline-time { font-size: 12px; color: var(--color-outline); }
.timeline-text { font-size: 14px; color: var(--color-secondary); margin-top: 6px; line-height: 1.6; }

/* ---------- Progress Bar ---------- */
.progress-bar { height: 6px; border-radius: 3px; background: var(--color-surface-low); overflow: hidden; }
.progress-fill { height: 100%; border-radius: 3px; background: var(--color-primary); transition: width 0.6s ease; }

/* ---------- Pagination ---------- */
.pagination { display: flex; align-items: center; gap: 4px; }
.page-btn {
  width: 32px;
  height: 32px;
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-secondary);
  border: 1px solid transparent;
  transition: var(--transition);
}
.page-btn:hover { background: var(--color-surface-low); border-color: var(--color-outline-variant); }
.page-btn.active { background: var(--color-primary); color: #fff; }
.page-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* ---------- FAB ---------- */
.fab {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 52px;
  height: 52px;
  background: var(--color-primary);
  color: #fff;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(17,24,39,0.3);
  transition: var(--transition);
  z-index: 80;
}
.fab:hover { transform: scale(1.06); box-shadow: 0 12px 32px rgba(17,24,39,0.35); }
.fab .material-symbols-outlined { font-size: 24px; }
.fab-label {
  position: absolute;
  right: calc(100% + 12px);
  background: var(--color-primary);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: var(--border-radius);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
}
.fab:hover .fab-label { opacity: 1; }

/* ---------- Utility ---------- */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.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; }
.gap-20 { gap: 20px; }
.gap-24 { gap: 24px; }
.w-full { width: 100%; }
.text-right { text-align: right; }
.ml-auto { margin-left: auto; }
.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-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.p-20 { padding: 20px; }
.p-24 { padding: 24px; }
.font-sm { font-size: 12px; }
.font-md { font-size: 14px; }
.text-outline { color: var(--color-outline); }
.text-primary { color: var(--color-primary); }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* Grid helpers */
.grid { display: grid; }
.grid-4 { grid-template-columns: repeat(4, 1fr); gap: 20px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-2 { grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-8-4 { grid-template-columns: 2fr 1fr; gap: 24px; }
.grid-12-col { grid-template-columns: repeat(12, 1fr); gap: 24px; }
.col-8 { grid-column: span 8; }
.col-4 { grid-column: span 4; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-8-4 { grid-template-columns: 1fr; }
  .col-8, .col-4 { grid-column: span 1; }
}

@media (max-width: 768px) {
  :root { --sidebar-width: 0px; }
  #crm-sidebar { transform: translateX(-272px); }
  #crm-sidebar.mobile-open { transform: translateX(0); }
  #crm-header { left: 0; }
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .page-content { padding: 20px 16px; }
  .sidebar-toggle { display: flex !important; }
}

/* Sidebar overlay for mobile */
#sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: 99;
}
#sidebar-overlay.active { display: block; }

/* ---------- Animations ---------- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}
.animate-in { animation: fadeInUp 0.35s ease forwards; }
.delay-1 { animation-delay: 0.05s; }
.delay-2 { animation-delay: 0.10s; }
.delay-3 { animation-delay: 0.15s; }
.delay-4 { animation-delay: 0.20s; }

/* Sidebar mobile toggle button */
.sidebar-toggle {
  display: none;
  width: 36px;
  height: 36px;
  border-radius: var(--border-radius);
  align-items: center;
  justify-content: center;
  color: var(--color-outline);
  transition: var(--transition);
}
.sidebar-toggle:hover { background: var(--color-surface-low); }