/* CardCast Modern Theme & Design System */
:root {
  --bg-primary: #0b0f19;
  --bg-secondary: #111827;
  --bg-card: #1e293b;
  --bg-card-hover: #283548;
  --bg-input: #0f172a;
  --border-color: #334155;
  --border-light: rgba(255, 255, 255, 0.08);

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --accent-blue: #3b82f6;
  --accent-blue-hover: #2563eb;
  --accent-green: #10b981;
  --accent-green-bg: rgba(16, 185, 129, 0.15);
  --accent-amber: #f59e0b;
  --accent-amber-bg: rgba(245, 158, 11, 0.15);
  --accent-red: #ef4444;
  --accent-red-bg: rgba(239, 68, 68, 0.15);
  --accent-purple: #8b5cf6;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.3);

  --font-family: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-family);
  font-size: 15px;
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

/* Custom Modern Scrollbars (Dark Theme) */
* {
  scrollbar-width: thin;
  scrollbar-color: #334155 rgba(15, 23, 42, 0.5);
}

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: rgba(15, 23, 42, 0.5);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb {
  background: #334155;
  border-radius: var(--radius-full);
  border: 2px solid transparent;
  background-clip: padding-box;
  transition: background-color 0.2s ease;
}

::-webkit-scrollbar-thumb:hover {
  background: #475569;
}

::-webkit-scrollbar-button {
  display: none;
  width: 0;
  height: 0;
}

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

/* Enhanced Horizontal Scrollbar for Data Tables & Matrices */
.matrix-wrapper::-webkit-scrollbar,
.table-responsive::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

.matrix-wrapper::-webkit-scrollbar-track,
.table-responsive::-webkit-scrollbar-track {
  background: rgba(11, 17, 32, 0.8);
  border-top: 1px solid var(--border-color);
}

.matrix-wrapper::-webkit-scrollbar-thumb,
.table-responsive::-webkit-scrollbar-thumb {
  background: #3b82f644;
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: var(--radius-full);
}

.matrix-wrapper::-webkit-scrollbar-thumb:hover,
.table-responsive::-webkit-scrollbar-thumb:hover {
  background: #3b82f688;
}

/* Layout */
#app-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.main-content {
  flex: 1;
  max-width: 1600px;
  width: 100%;
  margin: 0 auto;
  padding: 24px;
}

/* Header & Navbar */
.navbar {
  background-color: rgba(17, 24, 39, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 50;
}

.navbar-container {
  max-width: 1600px;
  margin: 0 auto;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-primary);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.025em;
  line-height: 1.1;
  color: var(--text-primary);
}

.brand-tagline {
  font-size: 0.725rem;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: -0.01em;
}

.brand-icon {
  background: linear-gradient(135deg, #10b981, #06b6d4);
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 16px rgba(16, 185, 129, 0.45);
  flex-shrink: 0;
}

.brand-icon svg {
  width: 22px;
  height: 22px;
  color: white;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 6px;
  list-style: none;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.925rem;
  transition: all 0.2s ease;
  cursor: pointer;
  border: 1px solid transparent;
}

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

.nav-link.active {
  color: #fff;
  background: rgba(59, 130, 246, 0.15);
  border-color: rgba(59, 130, 246, 0.3);
}

.nav-link svg {
  width: 18px;
  height: 18px;
}

.user-nav {
  display: flex;
  align-items: center;
  gap: 12px;
}

.user-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.user-avatar {
  width: 24px;
  height: 24px;
  background: linear-gradient(135deg, #10b981, #059669);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: bold;
  color: white;
}

/* Cards & Containers */
.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-md);
  transition: border-color 0.2s ease;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  gap: 12px;
  flex-wrap: wrap;
}

.card-title {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Stats / KPI Grid */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
  margin-bottom: 24px;
}

.kpi-card {
  background: linear-gradient(145deg, var(--bg-card), rgba(30, 41, 59, 0.4));
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.kpi-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-light);
}

.kpi-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--accent-color, var(--accent-blue));
}

.kpi-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.kpi-value {
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--text-primary);
  font-family: var(--font-mono);
  letter-spacing: -0.03em;
}

.kpi-sub {
  margin-top: 6px;
  font-size: 0.825rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 18px;
  border-radius: var(--radius-md);
  font-size: 0.925rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  border: 1px solid transparent;
  text-decoration: none;
  font-family: inherit;
}

.btn-primary {
  background-color: var(--accent-blue);
  color: white;
  box-shadow: 0 0 12px rgba(59, 130, 246, 0.35);
}

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

.btn-success {
  background-color: var(--accent-green);
  color: white;
}

.btn-success:hover {
  background-color: #059669;
}

.btn-danger {
  background-color: var(--accent-red);
  color: white;
}

.btn-danger:hover {
  background-color: #dc2626;
}

.btn-secondary {
  background-color: var(--bg-card);
  color: var(--text-primary);
  border-color: var(--border-color);
}

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

.btn-sm {
  padding: 5px 10px;
  font-size: 0.825rem;
  border-radius: var(--radius-sm);
}

.btn-icon {
  width: 34px;
  height: 34px;
  padding: 0;
  border-radius: var(--radius-md);
}

.btn svg {
  width: 18px;
  height: 18px;
}

/* Form Controls */
.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--text-secondary);
}

.form-control {
  width: 100%;
  padding: 10px 14px;
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.95rem;
  transition: all 0.2s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

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

/* Badges and Chips */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 9px;
  border-radius: var(--radius-full);
  font-size: 0.775rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.badge-paid {
  background-color: var(--accent-green-bg);
  color: var(--accent-green);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-pending {
  background-color: var(--accent-amber-bg);
  color: var(--accent-amber);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.card-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 12px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.85rem;
  color: white;
  box-shadow: var(--shadow-sm);
}

.card-pill .color-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background-color: currentColor;
  box-shadow: 0 0 6px currentColor;
}

/* Tables */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  background-color: var(--bg-card);
}

.table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.925rem;
}

.table th {
  background-color: rgba(15, 23, 42, 0.95);
  color: var(--text-secondary);
  font-weight: 600;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

.table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-primary);
  vertical-align: middle;
}

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

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

.table .num-col {
  text-align: right;
  font-family: var(--font-mono);
}

/* Modals */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(6px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 16px;
}

.modal-backdrop.show {
  display: flex;
}

.modal-dialog {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 580px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  display: flex;
  flex-direction: column;
  animation: modalIn 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalIn {
  from {
    opacity: 0;
    transform: scale(0.95) translateY(10px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.modal-header {
  padding: 18px 24px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 1.15rem;
  font-weight: 600;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 4px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-close:hover {
  color: var(--text-primary);
  background-color: var(--bg-card-hover);
}

.modal-body {
  padding: 24px;
}

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  background-color: rgba(15, 23, 42, 0.4);
}

/* Toast Notifications */
#toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  color: var(--text-primary);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 300px;
  max-width: 450px;
  animation: toastIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes toastIn {
  from {
    transform: translateY(20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.toast-success {
  border-left: 4px solid var(--accent-green);
}

.toast-error {
  border-left: 4px solid var(--accent-red);
}

.toast-info {
  border-left: 4px solid var(--accent-blue);
}

/* Card Selection Tabs */
.card-tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 12px;
  margin-bottom: 20px;
  scrollbar-width: thin;
}

.card-tab-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px;
  border-radius: var(--radius-lg);
  background-color: var(--bg-card);
  border: 2px solid var(--border-color);
  color: var(--text-secondary);
  cursor: pointer;
  white-space: nowrap;
  font-size: 0.95rem;
  font-weight: 600;
  transition: all 0.2s ease;
}

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

.card-tab-btn.active {
  color: white;
  border-color: var(--card-color, var(--accent-blue));
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.9), rgba(15, 23, 42, 0.9));
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.card-indicator {
  width: 14px;
  height: 14px;
  border-radius: 4px;
  background-color: var(--card-color, #3b82f6);
}

/* Charts Container */
.chart-container {
  position: relative;
  height: 320px;
  width: 100%;
}

/* Login View */
.login-wrapper {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.login-card {
  width: 100%;
  max-width: 420px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-xl);
}

.login-header {
  text-align: center;
  margin-bottom: 28px;
}

.login-header .brand-icon {
  margin: 0 auto 16px auto;
  width: 58px;
  height: 58px;
  box-shadow: 0 0 24px rgba(16, 185, 129, 0.5);
}

.login-header .brand-icon svg {
  width: 34px;
  height: 34px;
}

.login-header h1 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.login-header p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Settings Grid (2x2 Layout) */
.settings-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

/* Responsive utilities */
@media (max-width: 992px) {
  .settings-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .navbar-container {
    flex-wrap: wrap;
  }
  .nav-menu {
    order: 3;
    width: 100%;
    overflow-x: auto;
    padding-top: 8px;
  }
  .main-content {
    padding: 16px;
  }
  .kpi-grid {
    grid-template-columns: 1fr;
  }
}