/* ==========================================================================
   PREMIUM CRM DESIGN SYSTEM & THEME
   Framework: Modern SaaS Aesthetic (Vercel/Stripe/Linear inspired)
   ========================================================================== */

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

:root {
  /* Color Tokens */
  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --primary-light: #e0e7ff;
  --primary-subtle: #f5f3ff;
  --primary-gradient: linear-gradient(135deg, #4f46e5 0%, #6366f1 100%);
  --accent-gradient: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
  --dark-gradient: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  --card-gradient: linear-gradient(180deg, rgba(255,255,255,1) 0%, rgba(248,250,252,0.6) 100%);

  --success: #10b981;
  --success-hover: #059669;
  --success-light: #d1fae5;
  --warning: #f59e0b;
  --warning-hover: #d97706;
  --warning-light: #fef3c7;
  --danger: #ef4444;
  --danger-hover: #dc2626;
  --danger-light: #fee2e2;
  --info: #3b82f6;
  --info-light: #dbeafe;

  --bg-main: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-secondary: #f1f5f9;
  --bg-glass: rgba(255, 255, 255, 0.85);
  --bg-glass-dark: rgba(15, 23, 42, 0.85);

  --border-color: #e2e8f0;
  --border-subtle: #f1f5f9;
  --border-focus: #818cf8;

  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --text-white: #ffffff;

  /* Border Radii */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Elevation & Shadows */
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.05), 0 1px 2px rgba(15, 23, 42, 0.03);
  --shadow-md: 0 4px 14px -2px rgba(15, 23, 42, 0.06), 0 2px 4px -1px rgba(15, 23, 42, 0.03);
  --shadow-lg: 0 12px 30px -4px rgba(15, 23, 42, 0.08), 0 4px 8px -2px rgba(15, 23, 42, 0.03);
  --shadow-xl: 0 20px 40px -6px rgba(15, 23, 42, 0.12), 0 8px 16px -4px rgba(15, 23, 42, 0.04);
  --shadow-glow: 0 0 20px rgba(79, 70, 229, 0.25);
  --shadow-card-hover: 0 16px 32px -8px rgba(79, 70, 229, 0.12), 0 4px 12px -2px rgba(15, 23, 42, 0.04);

  /* Transitions */
  --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

/* --- Base Overrides --- */
*, *::before, *::after {
  box-sizing: border-box;
}

body {
  font-family: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif !important;
  background-color: var(--bg-main) !important;
  color: var(--text-main) !important;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.5;
}

/* Header & Layout Structure */
.header {
  background: var(--bg-glass) !important;
  backdrop-filter: blur(12px) !important;
  -webkit-backdrop-filter: blur(12px) !important;
  border-bottom: 1px solid var(--border-color) !important;
  box-shadow: var(--shadow-sm) !important;
  height: 64px !important;
}

.crm-container {
  padding-top: 64px !important;
}

.sidebar {
  top: 64px !important;
  height: 52px !important;
  background: #ffffff !important;
  border-bottom: 1px solid var(--border-color) !important;
  box-shadow: 0 4px 12px -4px rgba(15, 23, 42, 0.04) !important;
}

.main-content {
  margin-top: 52px !important;
  padding: 24px 28px !important;
  background-color: var(--bg-main) !important;
  min-height: calc(100vh - 116px);
}

/* --- Navigation Links & Items --- */
.sidebar-menu > li > a {
  font-weight: 500 !important;
  font-size: 13.5px !important;
  color: #475569 !important;
  border-radius: var(--radius-sm) !important;
  transition: var(--transition-fast) !important;
}

.sidebar-menu > li > a:hover,
.sidebar-menu > li.active > a {
  color: var(--primary) !important;
  background-color: var(--primary-subtle) !important;
  box-shadow: none !important;
  font-weight: 600 !important;
}

.sidebar-menu .sub-menu {
  border-radius: var(--radius-md) !important;
  border: 1px solid var(--border-color) !important;
  box-shadow: var(--shadow-lg) !important;
  overflow: visible !important;
  padding: 6px !important;
  background: #ffffff !important;
}

.sidebar-menu .sub-menu li > a {
  border-radius: var(--radius-xs) !important;
  font-size: 13px !important;
  font-weight: 500 !important;
  color: #334155 !important;
  padding: 8px 12px !important;
  transition: var(--transition-fast) !important;
}

.sidebar-menu .sub-menu li > a:hover {
  background-color: var(--primary-subtle) !important;
  color: var(--primary) !important;
}

/* --- Cards & Panels --- */
.card, .stat-card, .filter-section, .table-container, .box {
  background: var(--bg-surface) !important;
  border-radius: var(--radius-md) !important;
  border: 1px solid var(--border-color) !important;
  box-shadow: var(--shadow-sm) !important;
  transition: var(--transition-normal) !important;
  overflow: hidden;
}

.card:hover, .stat-card:hover {
  box-shadow: var(--shadow-card-hover) !important;
  border-color: #cbd5e1 !important;
  transform: translateY(-2px);
}

.stat-card {
  padding: 20px 24px !important;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.stat-card .stat-title {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.stat-card .stat-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.2;
}

.stat-card .stat-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  background: var(--primary-light);
  color: var(--primary);
}

/* --- Form Controls & Inputs --- */
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="date"],
input[type="datetime-local"],
select,
textarea,
.form-control {
  border-radius: var(--radius-sm) !important;
  border: 1px solid var(--border-color) !important;
  padding: 0 13px !important;
  height: 38px !important;
  min-height: 38px !important;
  font-size: 13.5px !important;
  font-family: inherit !important;
  color: var(--text-main) !important;
  background-color: #ffffff !important;
  transition: var(--transition-fast) !important;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04) !important;
  outline: none !important;
  line-height: 36px !important;
}

textarea {
  height: auto !important;
  min-height: 80px !important;
  padding: 9px 13px !important;
  line-height: 1.5 !important;
}

input:focus, select:focus, textarea:focus, .form-control:focus {
  border-color: var(--primary) !important;
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15) !important;
}

/* --- Buttons (Standardized Sizing) --- */
button, .btn, .action-btn, .save-btn, .status-btn, .submit-btn, .filter-btn, .btn-filter, .btn-reset, input[type="submit"], input[type="button"] {
  border-radius: var(--radius-sm) !important;
  font-weight: 600 !important;
  font-size: 13.5px !important;
  height: 38px !important;
  min-height: 38px !important;
  padding: 0 16px !important;
  line-height: 36px !important;
  transition: var(--transition-fast) !important;
  cursor: pointer !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 8px !important;
  border: 1px solid transparent !important;
  box-shadow: var(--shadow-sm) !important;
  white-space: nowrap !important;
  box-sizing: border-box !important;
}

.btn-filter, .btn-reset {
  min-width: 90px !important;
  height: 38px !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  font-size: 14px !important;
  font-weight: 600 !important;
  border-radius: 6px !important;
  padding: 0 16px !important;
  box-sizing: border-box !important;
  text-decoration: none !important;
  vertical-align: middle !important;
}
.btn-filter { background-color: #4f46e5 !important; color: #ffffff !important; border: none !important; }
.btn-filter:hover { background-color: #4338ca !important; color: #ffffff !important; }
.btn-reset { background-color: #64748b !important; color: #ffffff !important; border: none !important; }
.btn-reset:hover { background-color: #475569 !important; color: #ffffff !important; }

/* Small / Table Buttons */
.btn-sm, .status-btn, .leads-table .action-btn, .users-table .action-btn {
  height: 30px !important;
  min-height: 30px !important;
  padding: 0 10px !important;
  font-size: 12px !important;
  line-height: 28px !important;
  border-radius: var(--radius-xs) !important;
}

/* Icon Buttons */
.icon-btn, .btn-icon {
  width: 38px !important;
  height: 38px !important;
  min-width: 38px !important;
  padding: 0 !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
}

.btn-primary, button[type="submit"], input[type="submit"] {
  background: var(--primary-gradient) !important;
  color: #ffffff !important;
  border: none !important;
}

.btn-primary:hover, button[type="submit"]:hover, input[type="submit"]:hover {
  background: linear-gradient(135deg, #4338ca 0%, #4f46e5 100%) !important;
  box-shadow: var(--shadow-glow) !important;
  transform: translateY(-1px);
}

.btn-secondary, .btn-light {
  background: #ffffff !important;
  color: var(--text-main) !important;
  border: 1px solid var(--border-color) !important;
}

.btn-secondary:hover, .btn-light:hover {
  background: var(--bg-surface-secondary) !important;
  border-color: #cbd5e1 !important;
  color: var(--text-main) !important;
}

.btn-danger {
  background: var(--danger) !important;
  color: #ffffff !important;
}

.btn-danger:hover {
  background: var(--danger-hover) !important;
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.25) !important;
}

.btn-success {
  background: var(--success) !important;
  color: #ffffff !important;
}

.btn-success:hover {
  background: var(--success-hover) !important;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.25) !important;
}

/* --- Tables & Data Grids --- */
table, .leads-table, .users-table {
  width: 100% !important;
  border-collapse: separate !important;
  border-spacing: 0 !important;
  font-size: 13.5px !important;
}

table th, .leads-table th, .users-table th {
  background: #f8fafc !important;
  color: var(--text-muted) !important;
  font-weight: 600 !important;
  font-size: 12px !important;
  text-transform: uppercase !important;
  letter-spacing: 0.05em !important;
  padding: 12px 16px !important;
  border-bottom: 1px solid var(--border-color) !important;
  text-align: left;
}

table td, .leads-table td, .users-table td {
  padding: 13px 16px !important;
  border-bottom: 1px solid var(--border-subtle) !important;
  color: var(--text-main) !important;
  vertical-align: middle !important;
  transition: var(--transition-fast) !important;
}

table tr:hover td, .leads-table tr:hover td, .users-table tr:hover td {
  background-color: #f1f5f9 !important;
}

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

/* --- Badges & Status Pills --- */
.badge, .status-badge, span[class*="status-"] {
  border-radius: var(--radius-full) !important;
  padding: 4px 12px !important;
  font-size: 12px !important;
  font-weight: 600 !important;
  display: inline-flex !important;
  align-items: center !important;
  gap: 6px !important;
  line-height: 1.4 !important;
}

.badge-primary, .status-active, .status-new {
  background: var(--primary-light) !important;
  color: var(--primary) !important;
}

.badge-success, .status-completed, .status-won, .status-booked {
  background: var(--success-light) !important;
  color: #047857 !important;
}

.badge-warning, .status-pending, .status-in-progress, .status-follow-up {
  background: var(--warning-light) !important;
  color: #b45309 !important;
}

.badge-danger, .status-lost, .status-cancelled, .status-junk {
  background: var(--danger-light) !important;
  color: #b91c1c !important;
}

.badge-info, .status-site-visit {
  background: var(--info-light) !important;
  color: #1d4ed8 !important;
}

/* --- Modals & Overlay Windows --- */
.modal-content, .modal-dialog {
  border-radius: var(--radius-lg) !important;
  border: 1px solid var(--border-color) !important;
  box-shadow: var(--shadow-xl) !important;
  overflow: hidden !important;
}

.modal-header {
  background: #f8fafc !important;
  border-bottom: 1px solid var(--border-color) !important;
  padding: 16px 24px !important;
}

.modal-header .modal-title {
  font-size: 16px !important;
  font-weight: 700 !important;
  color: var(--text-main) !important;
}

.modal-body {
  padding: 24px !important;
}

.modal-footer {
  background: #f8fafc !important;
  border-top: 1px solid var(--border-color) !important;
  padding: 14px 24px !important;
}

/* --- Custom Scrollbars (Refined & Minimal) --- */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

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

::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 99px;
}

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

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

.page-title {
  font-size: 22px !important;
  font-weight: 800 !important;
  color: var(--text-main) !important;
  margin: 0 !important;
  letter-spacing: -0.02em;
}

.page-subtitle {
  font-size: 13.5px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Micro-animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
  animation: fadeIn 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* ==========================================================================
   MOBILE & iOS IPHONE WEB APP COMPATIBILITY ENGINE
   ========================================================================== */
@supports (padding-top: env(safe-area-inset-top)) {
  @media (max-width: 991px) {
    .header {
      padding-top: env(safe-area-inset-top) !important;
      height: calc(56px + env(safe-area-inset-top)) !important;
      box-sizing: border-box !important;
    }
    .crm-container {
      padding-top: calc(56px + env(safe-area-inset-top)) !important;
    }
    .sidebar {
      top: calc(56px + env(safe-area-inset-top)) !important;
      height: calc(100vh - 56px - env(safe-area-inset-top)) !important;
    }
  }
}

@media (max-width: 991px) {
  .crm-container {
    padding-top: 56px !important;
  }
  .header {
    height: 56px !important;
    padding: 0 12px !important;
  }
  .header .logo img {
    height: 32px !important;
  }
}

@media (max-width: 768px) {
  /* Expand main content width on mobile */
  .main-content {
    padding: 12px 10px !important;
    margin: 0 !important;
    margin-top: 0 !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  /* Full-width roomy lead cards and containers */
  .table-container, .card, .dashboard-card, .lead-card, .filter-box {
    padding: 16px 14px !important;
    width: 100% !important;
    max-width: 100% !important;
    border-radius: 14px !important;
    margin-bottom: 16px !important;
    box-shadow: 0 4px 16px rgba(15, 23, 42, 0.08) !important;
    box-sizing: border-box !important;
  }

  .table-container {
    overflow: visible !important;
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    padding: 0 !important;
    width: 100% !important;
    max-width: 100% !important;
  }
  .leads-table {
    display: none !important;
  }
  .lead-card-list {
    display: grid !important;
    grid-template-columns: 1fr !important;
    gap: 12px !important;
    width: 100% !important;
  }
}

@media (min-width: 769px) {
  .leads-table {
    display: table !important;
  }
  .lead-card-list {
    display: none !important;
  }
}

  .users-table, .leads-table {
    table-layout: auto !important;
    width: 100% !important;
    min-width: 850px !important;
  }

  .users-table th, .users-table td,
  .leads-table th, .leads-table td {
    white-space: nowrap !important;
    word-break: normal !important;
    overflow-wrap: normal !important;
    padding: 10px 14px !important;
    font-size: 13.5px !important;
  }

  /* Larger touch targets for buttons & selects on mobile */
  .btn, .action-btn, .save-btn, select, input[type="text"], input[type="email"], input[type="password"] {
    min-height: 44px !important;
    font-size: 14px !important;
    border-radius: 10px !important;
  }

  /* Stack page header controls */
  .page-header {
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 12px !important;
  }
}