/**
 * Premium Fintech Design System — Component overrides & animations
 * Load after main.css and design-tokens.css.
 */

/* ========== Utility classes (replace inline styles) ========== */
.flex-center-gap {
  display: flex;
  align-items: center;
  gap: var(--space-3, 12px);
}

.flex-center-gap-4 {
  display: flex;
  align-items: center;
  gap: var(--space-4, 16px);
}

.settings-content {
  max-width: 900px;
}

.topbar-avatar-gradient {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

/* ========== Overflow prevention (global) ========== */
html {
  overflow-x: hidden;
  max-width: 100vw;
}

body {
  overflow-x: hidden;
  max-width: 100vw;
}

/* ========== App container & main content ========== */
.app-container {
  background-color: var(--color-bg-page);
  min-height: 100vh;
  overflow-x: hidden;
  max-width: 100vw;
}

.main-content {
  background-color: var(--color-bg-page);
  flex: 1;
  min-width: 0;
  overflow-x: hidden;
  max-width: 100%;
}

.page-content {
  min-width: 0;
  overflow-x: hidden;
  max-width: 100%;
}

/* ========== Sidebar ========== */
.sidebar {
  display: flex;
  flex-direction: column;
  background-color: var(--color-bg-card);
  box-shadow: var(--shadow-sm);
  border-radius: 0 var(--radius-xl) var(--radius-xl) 0;
}

.sidebar-nav {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
}

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

/* .nav-item.active — overridden by sidebar-upgrade.css (canonical sidebar styles) */

.sidebar-section-title {
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ========== Sidebar dropdowns (submenus) ========== */
.sidebar-nav .nav-item.has-submenu {
  position: relative;
  cursor: pointer;
  user-select: none;
  display: flex;
  align-items: center;
  width: 100%;
  flex-wrap: wrap;
  border: none;
  background: none;
  font: inherit;
  color: inherit;
  text-align: left;
  padding: 0.625rem 0.75rem;
}

.sidebar-nav .nav-item.has-submenu > .nav-submenu-toggle {
  flex: 1;
  display: flex;
  align-items: center;
  min-width: 0;
  gap: 0.75rem;
  pointer-events: none;
}

.sidebar-nav .nav-item.has-submenu > .nav-arrow {
  margin-left: auto;
  transition: transform 0.2s ease;
  flex-shrink: 0;
  color: var(--color-text-muted);
}

.sidebar-nav .nav-item.has-submenu.expanded > .nav-arrow {
  transform: rotate(90deg);
}

.sidebar-nav .nav-item.has-submenu:hover {
  background-color: var(--color-bg-subtle);
}

.sidebar-nav .nav-submenu {
  width: 100%;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease;
  padding-left: 0;
  margin-top: 0;
}

.sidebar-nav .nav-item.has-submenu.expanded > .nav-submenu {
  max-height: 500px;
}

.sidebar-nav .nav-submenu .nav-item {
  padding-left: 2.5rem;
  font-size: 0.8125rem;
  margin-bottom: 0.125rem;
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: inherit;
  border-left: 3px solid transparent;
  transition: background-color 0.15s ease, border-color 0.15s ease;
}

.sidebar-nav .nav-submenu .nav-item:hover {
  background-color: var(--color-bg-subtle);
}

/* .sidebar-nav .nav-submenu .nav-item.active — overridden by sidebar-upgrade.css */

.sidebar-nav .nav-item.has-submenu.expanded {
  background-color: var(--color-bg-subtle);
}

/* Spacing between nav groups for cleaner hierarchy */
.sidebar-nav .nav-item.has-submenu + .nav-item.has-submenu,
.sidebar-nav .nav-item.has-submenu + a.nav-item,
.sidebar-nav .nav-item:not(.has-submenu) + .nav-item.has-submenu {
  margin-top: 0.25rem;
}

/* ========== Auth pages (login, register, etc.) ========== */
.auth-container {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-8);
}

.auth-card {
  width: 100%;
  max-width: 420px;
  padding: var(--space-8);
}

.auth-card h1 {
  text-align: center;
  margin-bottom: var(--space-6);
  font-size: var(--text-h2);
  font-weight: 600;
  color: var(--color-text-primary);
}

.auth-links {
  margin-top: var(--space-6);
  text-align: center;
  font-size: var(--text-sm);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.auth-links a {
  color: var(--color-primary-dark);
  font-weight: 600;
  text-decoration: none;
}

.auth-links a:hover {
  text-decoration: underline;
}

.auth-page-section {
  padding: 6rem 0 4rem;
  min-height: 60vh;
}

.auth-page-inner {
  display: flex;
  justify-content: center;
  align-items: flex-start;
}

/* ========== Cards — white, rounded, soft shadow ========== */
.fintech-card,
.plan-card,
.auth-card,
[class*="card"]:not(.nav-item) {
  background-color: var(--color-bg-card);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.fintech-card:hover,
.plan-card:hover,
.card-hover-lift:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

/* ========== Stat cards ========== */
.fintech-stat-card {
  background-color: var(--color-bg-card);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
  transition: box-shadow var(--transition-base);
}

.fintech-stat-card:hover {
  box-shadow: var(--shadow-md);
}

.fintech-stat-value {
  font-size: var(--text-metric);
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: 1.2;
}

.fintech-stat-label {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
}

.fintech-stat-trend {
  font-size: var(--text-sm);
  font-weight: 600;
}

.fintech-stat-trend.positive { color: var(--color-success); }
.fintech-stat-trend.negative { color: var(--color-error); }

/* ========== Buttons (readable: clear contrast, no blending) ========== */
.btn {
  font-weight: 600;
  cursor: pointer;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-lg);
  transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
}

.btn-primary,
.btn.btn-primary {
  background-color: var(--color-primary);
  color: #1a1a1a;
  border: none;
  font-weight: 600;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover,
.btn.btn-primary:hover {
  background-color: var(--color-primary-hover);
  color: #0f0f0f;
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn-outline,
.btn.btn-outline {
  background-color: #e5e7eb;
  border: 2px solid #6b7280;
  color: #1f2937;
  border-radius: var(--radius-lg);
  font-weight: 600;
}

.btn-outline:hover,
.btn.btn-outline:hover {
  background-color: #d1d5db;
  border-color: #4b5563;
  color: #111827;
}

.btn-sm {
  padding: 0.375rem 0.75rem;
  font-size: 0.875rem;
  font-weight: 600;
}

.btn-danger,
.btn.btn-danger {
  background-color: #dc2626;
  color: #ffffff;
  border: none;
  font-weight: 600;
}

.btn-danger:hover,
.btn.btn-danger:hover {
  background-color: #b91c1c;
  color: #ffffff;
}

.btn-success,
.btn.btn-success {
  background-color: #059669;
  color: #ffffff;
  border: none;
  font-weight: 600;
}

.btn-success:hover,
.btn.btn-success:hover {
  background-color: #047857;
  color: #ffffff;
}

.btn-link {
  background: transparent;
  border: none;
  color: #1d4ed8;
  font-weight: 600;
  text-decoration: underline;
  cursor: pointer;
  padding: 0.25rem 0;
}

.btn-link:hover {
  color: #1e40af;
}

/* ========== Topbar ========== */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  min-width: 0;
  overflow: hidden;
  background-color: var(--color-bg-card);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.topbar-left,
.topbar-right {
  min-width: 0;
  overflow: hidden;
}

.topbar-page-title,
.topbar-user-details {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ========== Table ========== */
.table-hover tbody tr:hover {
  background-color: var(--color-bg-subtle);
}

/* Table wrapper: prevent page overflow, allow horizontal scroll */
.overflow-x-auto,
.table-responsive {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  max-width: 100%;
}

/* Long text in tables: truncate with ellipsis */
.table-cell-truncate {
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Sidebar nav item text: prevent overflow */
.sidebar-nav .nav-item span,
.sidebar-nav .nav-submenu-toggle span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}

/* ========== Badges ========== */
.badge-primary {
  background-color: var(--color-primary);
  color: var(--color-text-primary);
  font-weight: 600;
}

/* ========== Animations ========== */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-in {
  animation: fadeIn var(--transition-base) forwards;
}

.animate-fade-in-up {
  animation: fadeInUp var(--transition-slow) forwards;
}

.stagger > * {
  opacity: 0;
  animation: fadeInUp var(--transition-slow) forwards;
}

.stagger > *:nth-child(1) { animation-delay: 0ms; }
.stagger > *:nth-child(2) { animation-delay: 50ms; }
.stagger > *:nth-child(3) { animation-delay: 100ms; }
.stagger > *:nth-child(4) { animation-delay: 150ms; }
.stagger > *:nth-child(5) { animation-delay: 200ms; }
.stagger > *:nth-child(6) { animation-delay: 250ms; }

/* ========== Skeleton ========== */
@keyframes skeleton-shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-bg-subtle) 25%,
    var(--color-border) 50%,
    var(--color-bg-subtle) 75%
  );
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s ease-in-out infinite;
  border-radius: var(--radius-md);
}

/* ========== Form input (shared class for raw inputs) ========== */
.form-input {
  width: 100%;
  padding: 0.5rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-body);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(var(--color-primary-rgb, 250, 204, 21), 0.2);
}

/* ========== Focus (accessibility) ========== */
.btn:focus-visible,
.nav-item:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}