/* ==========================================================================
   CashFlow PWA — UI Components & Interactive Modules
   ========================================================================== */

/* --------------------------------------------------------------------------
   Metric / Summary Stat Cards
   -------------------------------------------------------------------------- */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-glass-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 20px;
  backdrop-filter: var(--backdrop-blur);
  position: relative;
  overflow: hidden;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.stat-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-medium);
  box-shadow: var(--shadow-md);
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--card-accent, var(--primary));
  opacity: 0.8;
}

.stat-card.income-card { --card-accent: var(--income); }
.stat-card.expense-card { --card-accent: var(--expense); }
.stat-card.payable-card { --card-accent: var(--payable); }
.stat-card.receivable-card { --card-accent: var(--receivable); }
.stat-card.savings-card { --card-accent: var(--savings); }
.stat-card.net-card { --card-accent: var(--primary-light); }

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

.stat-title {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stat-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  background: rgba(255, 255, 255, 0.05);
}

.stat-value {
  font-size: 1.65rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  font-family: var(--font-main);
  margin-bottom: 4px;
}

.stat-footer {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.76rem;
  color: var(--text-subtle);
}

/* --------------------------------------------------------------------------
   Chart & Analytics Cards
   -------------------------------------------------------------------------- */
.charts-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 20px;
  margin-bottom: 24px;
}

.chart-card {
  background: var(--bg-glass-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 22px;
  backdrop-filter: var(--backdrop-blur);
}

.chart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.chart-title {
  font-size: 1rem;
  font-weight: 700;
}

.chart-container {
  position: relative;
  width: 100%;
  min-height: 250px;
}

/* --------------------------------------------------------------------------
   Transaction Lists & Cards
   -------------------------------------------------------------------------- */
.section-card {
  background: var(--bg-glass-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 22px;
  backdrop-filter: var(--backdrop-blur);
  margin-bottom: 24px;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
  flex-wrap: wrap;
  gap: 12px;
}

.transaction-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.tx-card {
  background: rgba(15, 23, 42, 0.45);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: all var(--transition-fast);
  gap: 14px;
}

.tx-card:hover {
  background: rgba(30, 41, 59, 0.55);
  border-color: var(--border-medium);
  transform: translateX(3px);
}

.tx-left {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
  flex: 1;
}

.tx-icon-box {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.tx-icon-income { background: var(--income-bg); color: var(--income); border: 1px solid var(--income-border); }
.tx-icon-expense { background: var(--expense-bg); color: var(--expense); border: 1px solid var(--expense-border); }
.tx-icon-payable { background: var(--payable-bg); color: var(--payable); border: 1px solid var(--payable-border); }
.tx-icon-receivable { background: var(--receivable-bg); color: var(--receivable); border: 1px solid var(--receivable-border); }
.tx-icon-savings { background: var(--savings-bg); color: var(--savings); border: 1px solid var(--savings-border); }

.tx-info {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.tx-title {
  font-weight: 600;
  font-size: 0.94rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tx-meta {
  font-size: 0.76rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.tx-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
  flex-shrink: 0;
}

.tx-amount {
  font-size: 1.05rem;
  font-weight: 700;
  font-family: var(--font-mono);
}

.tx-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  opacity: 0.85;
}

.tx-action-btn {
  padding: 4px 8px;
  border-radius: var(--radius-xs);
  font-size: 0.75rem;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
  transition: all var(--transition-fast);
}

.tx-action-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--text-main);
}

.tx-action-btn.btn-delete:hover {
  background: var(--expense-bg);
  color: var(--expense);
}

/* --------------------------------------------------------------------------
   Badges & Pills
   -------------------------------------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 9px;
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 600;
}

.badge-income { background: var(--income-bg); color: var(--income); border: 1px solid var(--income-border); }
.badge-expense { background: var(--expense-bg); color: var(--expense); border: 1px solid var(--expense-border); }
.badge-payable { background: var(--payable-bg); color: var(--payable); border: 1px solid var(--payable-border); }
.badge-receivable { background: var(--receivable-bg); color: var(--receivable); border: 1px solid var(--receivable-border); }
.badge-savings { background: var(--savings-bg); color: var(--savings); border: 1px solid var(--savings-border); }

.badge-paid { background: rgba(16, 185, 129, 0.15); color: #10b981; }
.badge-partial { background: rgba(245, 158, 11, 0.15); color: #f59e0b; }
.badge-pending { background: rgba(148, 163, 184, 0.15); color: #94a3b8; }
.badge-overdue { background: rgba(239, 68, 68, 0.18); color: #ef4444; }

/* --------------------------------------------------------------------------
   Buttons & Interactive Elements
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.88rem;
  transition: all var(--transition-fast);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, #4f46e5 100%);
  color: #fff;
  box-shadow: 0 4px 14px var(--primary-glow);
}

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

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-main);
  border: 1px solid var(--border-subtle);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: var(--border-medium);
}

.btn-icon {
  width: 38px;
  height: 38px;
  padding: 0;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
}

.btn-icon:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.1);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.8rem;
}

/* --------------------------------------------------------------------------
   Search & Filter Bar
   -------------------------------------------------------------------------- */
.filter-toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}

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

.search-box input {
  width: 100%;
  padding: 10px 14px 10px 38px;
  background: var(--bg-glass-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: 0.88rem;
  transition: all var(--transition-fast);
}

.search-box input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-subtle);
  font-size: 1rem;
}

.filter-select {
  padding: 10px 14px;
  background: var(--bg-glass-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: 0.88rem;
  cursor: pointer;
}

.filter-select:focus {
  outline: none;
  border-color: var(--primary);
}

.filter-date {
  width: 150px;
  color-scheme: dark;
}

/* --------------------------------------------------------------------------
   Forms & Inputs
   -------------------------------------------------------------------------- */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.form-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
}

.form-control {
  width: 100%;
  padding: 12px 14px;
  background: var(--bg-glass-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: 0.92rem;
  transition: all var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

/* --------------------------------------------------------------------------
   Modals & Overlays
   -------------------------------------------------------------------------- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.modal-backdrop.open {
  opacity: 1;
  visibility: visible;
}

.modal-container {
  background: var(--bg-surface-1);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  max-width: 520px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  transform: translateY(20px) scale(0.96);
  transition: all var(--transition-bounce);
}

.modal-backdrop.open .modal-container {
  transform: translateY(0) scale(1);
}

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

.modal-title {
  font-size: 1.15rem;
  font-weight: 700;
}

.modal-body {
  padding: 24px;
}

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
}

/* --------------------------------------------------------------------------
   Login Gate
   -------------------------------------------------------------------------- */
.login-screen {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: var(--bg-app);
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 20px;
  overflow-y: auto;
}

.login-screen.hidden {
  display: none;
}

.login-card {
  width: 100%;
  max-width: 380px;
  margin: auto;
  background: var(--bg-surface-1);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: var(--shadow-lg);
}

.login-card-wide {
  max-width: 520px;
}

.login-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  background: var(--bg-glass-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 4px;
  margin-bottom: 22px;
}

.login-tab {
  padding: 10px 12px;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-muted);
  font-family: var(--font-main);
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
}

.login-tab.active {
  background: var(--primary);
  color: #fff;
  box-shadow: var(--shadow-glow);
}

.setup-intro {
  font-size: 0.85rem;
  color: var(--text-muted);
  background: var(--bg-glass-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  margin-bottom: 16px;
}

.setup-steps {
  margin: 0 0 18px;
  padding-left: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--text-main);
  line-height: 1.5;
}

.setup-steps li::marker {
  color: var(--primary-light);
  font-weight: 800;
}

.setup-steps code {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  background: var(--bg-glass-input);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  padding: 1px 5px;
}

.setup-steps .btn {
  margin-top: 6px;
}

.setup-status {
  margin-top: 10px;
  font-size: 0.82rem;
  min-height: 18px;
}

.setup-lock-hint {
  font-size: 0.78rem;
  color: var(--text-subtle);
  margin: 10px 0 6px;
}

.setup-locked {
  opacity: 0.55;
  pointer-events: none;
}

.login-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  margin-bottom: 24px;
  text-align: center;
}

.login-brand .app-logo-badge {
  font-size: 2.2rem;
  margin-bottom: 4px;
}

.login-brand .app-brand-title {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.login-brand .app-brand-subtitle {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.btn-block {
  width: 100%;
}

/* --------------------------------------------------------------------------
   Toasts & Notifications
   -------------------------------------------------------------------------- */
#toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  min-width: 280px;
  padding: 12px 18px;
  background: var(--bg-surface-2);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: 0.88rem;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow-lg);
  animation: slideInRight 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.toast-icon {
  font-size: 1.2rem;
}

.toast.toast-success { border-left: 4px solid var(--income); }
.toast.toast-error { border-left: 4px solid var(--expense); }
.toast.toast-info { border-left: 4px solid var(--primary); }

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(40px); }
  to { opacity: 1; transform: translateX(0); }
}

/* --------------------------------------------------------------------------
   Empty States & Loading States
   -------------------------------------------------------------------------- */
.empty-state {
  text-align: center;
  padding: 48px 20px;
  color: var(--text-muted);
}

.empty-icon {
  font-size: 3rem;
  margin-bottom: 12px;
  opacity: 0.6;
}

.empty-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 6px;
}

.empty-desc {
  font-size: 0.85rem;
  max-width: 320px;
  margin: 0 auto 16px;
}

.htmx-indicator {
  display: none;
}
.htmx-request .htmx-indicator {
  display: inline-block;
}
.htmx-request.htmx-indicator {
  display: inline-block;
}

.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-top-color: var(--primary-light);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}

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