/**
 * PennyBot Components CSS v1.0.0
 *
 * ALL reusable UI components in one place.
 * Depends on design-tokens.css for variables.
 *
 * Contents:
 * 1. Buttons
 * 2. Cards
 * 3. Badges
 * 4. Forms
 * 5. Tables
 * 6. Alerts
 * 7. Modals
 * 8. Navigation/Headers
 * 9. Loading States
 * 10. Empty States
 */

/* ============================================
   1. BUTTONS
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-primary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  line-height: 1;
  border: none;
  border-radius: var(--button-primary-radius);
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Primary Button - Brand gradient */
.btn-primary {
  background: linear-gradient(135deg, var(--color-brand-primary) 0%, var(--color-brand-secondary) 100%);
  color: var(--color-text-inverse);
  box-shadow: var(--button-primary-shadow);
}

.btn-primary:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--color-brand-primary-hover) 0%, var(--color-brand-primary) 100%);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn-primary:active:not(:disabled) {
  transform: translateY(0);
}

/* Secondary Button - Mint green accent */
.btn-secondary {
  background-color: var(--button-secondary-bg);
  color: var(--button-secondary-text);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover:not(:disabled) {
  background-color: var(--button-secondary-hover-bg);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

/* Outline Button */
.btn-outline {
  background-color: transparent;
  color: var(--color-brand-primary);
  border: 2px solid var(--color-brand-primary);
  box-shadow: none;
}

.btn-outline:hover:not(:disabled) {
  background-color: var(--color-brand-primary);
  color: var(--color-text-inverse);
}

/* Destructive Button */
.btn-destructive {
  background-color: var(--button-destructive-bg);
  color: var(--button-destructive-text);
  box-shadow: var(--shadow-sm);
}

.btn-destructive:hover:not(:disabled) {
  background-color: var(--button-destructive-hover-bg);
  box-shadow: var(--shadow-md);
}

/* Ghost Button */
.btn-ghost {
  background-color: transparent;
  color: var(--color-text-default);
  box-shadow: none;
}

.btn-ghost:hover:not(:disabled) {
  background-color: var(--color-bg-subtle);
}

/* Button Sizes */
.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-xs);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--font-size-md);
}

/* Button Color Variants */
.btn-purple {
  background: #7c3aed;
  color: white;
}

.btn-purple:hover {
  background: #6d28d9;
}

.btn-gray {
  background: var(--color-text-muted);
  color: white;
}

.btn-gray:hover {
  background: var(--color-border-strong);
}

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

.btn-green:hover {
  background: #059669;
}

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

.btn-red:hover {
  background: #b91c1c;
}

.btn-blue {
  background: var(--color-brand-secondary);
  color: white;
}

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

/* Button Loading State */
.btn-loading {
  opacity: 0.7;
  cursor: not-allowed;
  pointer-events: none;
}

/* Revoke Button (for API keys) */
.btn-revoke {
  background: #dc2626;
  color: white;
  padding: var(--space-2) var(--space-3);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: var(--font-size-sm);
}

.btn-revoke:hover {
  background: #b91c1c;
}

/* ============================================
   2. CARDS
   ============================================ */

.card {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--card-radius);
  box-shadow: var(--card-shadow);
  padding: var(--space-6);
  transition: all 0.2s ease;
}

.card-hover:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.card-header {
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border-default);
}

.card-title {
  font-family: var(--font-accent);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-default);
  margin: 0;
}

.card-body {
  color: var(--color-text-default);
}

.card-footer {
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border-default);
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
}

/* Stat Cards */
.stat-card {
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  text-align: center;
  background: var(--color-bg-base);
  border: 1px solid var(--color-border-default);
  box-shadow: var(--shadow-sm);
  color: var(--color-text-default);
}

/* Colored variants - override default background and text color */
.stat-card--income {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: white;
  border: none;
}

.stat-card--expense {
  background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
  color: white;
  border: none;
}

.stat-card--net {
  background: linear-gradient(135deg, var(--color-brand-primary) 0%, var(--color-brand-secondary) 100%);
  color: white;
  border: none;
}

/* BEM naming for stat-card elements */
.stat-card__label {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  opacity: 0.9;
}

.stat-card__value {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  margin-top: var(--space-2);
}

/* Legacy class names (used by some pages like financial-insights) */
.stat-card .stat-label {
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

.stat-card .stat-value {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-default);
}

/* For colored variants, make label and value white */
.stat-card--income .stat-label,
.stat-card--expense .stat-label,
.stat-card--net .stat-label,
.stat-card--income .stat-card__label,
.stat-card--expense .stat-card__label,
.stat-card--net .stat-card__label {
  color: rgba(255, 255, 255, 0.9);
}

.stat-card--income .stat-value,
.stat-card--expense .stat-value,
.stat-card--net .stat-value,
.stat-card--income .stat-card__value,
.stat-card--expense .stat-card__value,
.stat-card--net .stat-card__value {
  color: white;
}

/* Security Card */
.security-card {
  border-radius: var(--radius-md);
  padding: var(--space-4);
  margin-bottom: var(--space-4);
}

.security-card--enabled {
  background: rgba(127, 225, 176, 0.15);
  border: 2px solid var(--color-positive);
}

.security-card--disabled {
  background: rgba(93, 169, 233, 0.1);
  border: 2px solid var(--color-border-default);
}

.security-card--warning {
  background: rgba(247, 168, 110, 0.15);
  border: 2px solid var(--color-warning);
}

.security-card__header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.security-card__icon {
  font-size: var(--font-size-2xl);
}

.security-card__content {
  flex: 1;
}

.security-card__check {
  color: var(--color-positive);
  font-size: var(--font-size-3xl);
}

/* Info Card */
.info-card {
  margin-bottom: var(--space-5);
  padding: var(--space-5);
  border-radius: var(--radius-md);
  border-left: 4px solid;
}

.info-card--cash {
  background: var(--color-info-bg);
  border-left-color: var(--color-info);
}

.info-card--accrual {
  background: var(--color-positive-bg);
  border-left-color: var(--color-positive);
}

.info-card--hybrid {
  background: #fefce8;
  border-left-color: #eab308;
}

.info-card__title {
  margin: 0 0 var(--space-3) 0;
}

.info-card__title--cash {
  color: #1e40af;
}

.info-card__title--accrual {
  color: #047857;
}

.info-card__title--hybrid {
  color: #a16207;
}

.info-card p,
.info-card ul {
  margin: var(--space-2) 0;
}

.info-card ul {
  padding-left: var(--space-5);
}

/* Priority Card */
.priority-card {
  background: linear-gradient(135deg, rgba(93, 169, 233, 0.1) 0%, rgba(93, 169, 233, 0.05) 100%);
  border: 2px solid var(--color-brand-secondary);
}

/* Stripe Connected Card */
.stripe-connected-card {
  background: rgba(127, 225, 176, 0.1);
  border: 1px solid var(--color-positive);
  border-radius: var(--radius-md);
  padding: var(--space-4);
}

/* Template Card Gradients */
.template-card--primary { background: linear-gradient(135deg, var(--color-brand-primary) 0%, var(--color-brand-secondary) 100%); }
.template-card--pink { background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%); }
.template-card--cyan { background: linear-gradient(135deg, var(--color-brand-secondary) 0%, #00d4ff 100%); }
.template-card--sunset { background: linear-gradient(135deg, #fa709a 0%, #fee140 100%); }
.template-card--ocean { background: linear-gradient(135deg, #30cfd0 0%, var(--color-brand-primary) 100%); }

.template-card .template-subtext {
  margin-top: var(--space-2);
  opacity: 0.8;
  font-size: var(--font-size-xs);
}

/* Priority Drag Card */
.priority-drag-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4);
  border-radius: var(--radius-md);
  cursor: move;
  border: 2px solid;
}

.priority-drag-card--primary {
  background: #dcfce7;
  border-color: #10b981;
}

.priority-drag-card--secondary {
  background: var(--color-bg-subtle);
  border-color: var(--color-border-default);
}

.priority-drag-card__left {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.priority-drag-card__icon {
  font-size: 24px;
}

.priority-drag-card__name {
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-default);
}

.priority-drag-card__badge {
  margin-left: var(--space-2);
  padding: 2px var(--space-2);
  background: #10b981;
  color: white;
  font-size: 11px;
  border-radius: 4px;
  font-weight: var(--font-weight-bold);
}

.priority-drag-card__desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-top: 2px;
}

.priority-drag-card__right {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.priority-drag-card__select {
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  background: var(--color-bg-base);
}

.priority-drag-card__handle {
  color: var(--color-text-muted);
  font-size: 20px;
  cursor: grab;
}

/* Summary Cards Grid - For dashboard metrics */
.summary-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-5);
  margin-bottom: var(--space-6);
}

@media (max-width: 768px) {
  .summary-cards {
    grid-template-columns: 1fr;
  }
}

.summary-card {
  background: var(--color-bg-base);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.summary-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.summary-card__label {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.summary-card__value {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-2);
}

.summary-card__subtitle {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.summary-card--income {
  border-left: 4px solid var(--color-positive);
}

.summary-card--income .summary-card__value {
  color: var(--color-positive);
}

.summary-card--expenses {
  border-left: 4px solid var(--color-negative);
}

.summary-card--expenses .summary-card__value {
  color: var(--color-negative);
}

.summary-card--net {
  border-left: 4px solid var(--color-brand-primary);
}

.summary-card--net .summary-card__value {
  color: var(--color-brand-primary);
}

/* ============================================
   3. BADGES
   ============================================ */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-pill);
  white-space: nowrap;
}

.badge-positive {
  background-color: var(--badge-positive-bg);
  color: var(--color-positive-strong);
}

.badge-negative {
  background-color: var(--badge-negative-bg);
  color: var(--color-negative-strong);
}

.badge-warning {
  background-color: var(--badge-warning-bg);
  color: var(--color-warning-strong);
}

.badge-neutral {
  background-color: var(--color-bg-subtle);
  color: var(--color-text-default);
}

.badge-primary {
  background-color: var(--color-brand-primary);
  color: var(--color-text-inverse);
}

.badge-info {
  background-color: var(--badge-info-bg);
  color: var(--color-brand-primary);
}

/* Alternate badge styling (BEM) */
.badge--primary {
  background: var(--color-positive);
  color: white;
}

.badge--secondary {
  background: var(--color-brand-primary);
  color: white;
}

.badge--warning {
  background: var(--color-warning);
  color: var(--color-warning-strong, #78350f);
}

/* Status Badges */
.status-active {
  background-color: rgba(127, 225, 176, 0.2);
  color: var(--color-positive-strong);
}

.status-inactive {
  background-color: rgba(229, 115, 115, 0.2);
  color: var(--color-negative-strong, #991b1b);
}

.status-warning {
  background-color: rgba(247, 168, 110, 0.2);
  color: var(--color-warning-strong, #92400e);
}

.status-info {
  background-color: rgba(93, 169, 233, 0.2);
  color: #1e40af;
}

/* ============================================
   4. FORMS
   ============================================ */

.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-default);
  margin-bottom: var(--space-2);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-primary);
  font-size: var(--font-size-sm);
  color: var(--color-text-default);
  background-color: var(--color-bg-base);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-brand-primary);
  box-shadow: 0 0 0 3px rgba(46, 94, 170, 0.1);
}

.form-input:disabled,
.form-select:disabled,
.form-textarea:disabled {
  background-color: var(--color-bg-subtle);
  cursor: not-allowed;
  opacity: 0.6;
}

.form-textarea {
  min-height: 100px;
  resize: vertical;
}

.form-hint {
  display: block;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

.form-error {
  display: block;
  font-size: var(--font-size-xs);
  color: var(--color-negative);
  margin-top: var(--space-1);
}

/* Checkbox & Radio */
.form-checkbox,
.form-radio {
  width: 18px;
  height: 18px;
  cursor: pointer;
  accent-color: var(--color-brand-primary);
}

/* Checkbox Label */
.checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
  font-weight: var(--font-weight-medium);
}

.checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--color-brand-primary);
}

/* Form Section */
.form-section {
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-border-default);
}

.form-section:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

/* Address Grid */
.address-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-2);
}

/* Disabled Setting */
.disabled-setting {
  padding: var(--space-3);
  background: var(--color-bg-subtle);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-2);
}

.disabled-setting:last-child {
  margin-bottom: 0;
}

.disabled-setting .checkbox-label span {
  color: var(--color-text-muted);
}

/* ============================================
   5. TABLES
   ============================================ */

.table {
  width: 100%;
  border-collapse: collapse;
  background-color: var(--color-bg-base);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.table thead {
  background-color: var(--color-bg-subtle);
  border-bottom: 2px solid var(--color-border-default);
}

.table th {
  padding: var(--space-4);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-default);
  text-align: left;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.table td {
  padding: var(--space-4);
  font-size: var(--font-size-sm);
  color: var(--color-text-default);
  border-bottom: 1px solid var(--color-border-default);
}

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

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

/* Data Table */
.data-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: var(--space-4);
}

.data-table th,
.data-table td {
  padding: var(--space-3);
  text-align: left;
}

.data-table thead tr {
  border-bottom: 2px solid var(--color-border-default);
}

.data-table tbody tr {
  border-bottom: 1px solid var(--color-border-default);
}

.data-table .cell-mono {
  font-family: monospace;
}

.data-table .cell-small {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* ============================================
   6. ALERTS
   ============================================ */

.alert {
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-md);
  border-left: 4px solid;
  margin-bottom: var(--space-4);
}

.alert-info {
  background-color: rgba(93, 169, 233, 0.1);
  border-color: var(--color-brand-secondary);
  color: var(--color-text-default);
}

.alert-success {
  background-color: rgba(127, 225, 176, 0.1);
  border-color: var(--color-positive);
  color: var(--color-text-default);
}

.alert-warning {
  background-color: rgba(247, 168, 110, 0.1);
  border-color: var(--color-warning);
  color: var(--color-text-default);
}

.alert-error {
  background-color: rgba(229, 115, 115, 0.1);
  border-color: var(--color-negative);
  color: var(--color-text-default);
}

/* Info Box */
.info-box {
  background: rgba(93, 169, 233, 0.1);
  border-left: 4px solid var(--color-brand-secondary);
  padding: var(--space-4);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-4);
}

.info-box p {
  margin: var(--space-2) 0 0 0;
  color: var(--color-text-default);
  font-size: var(--font-size-sm);
}

/* Warning Box */
.warning-box {
  background: rgba(247, 168, 110, 0.15);
  border: 1px solid var(--color-warning);
  border-radius: var(--radius-md);
  padding: var(--space-4);
}

.warning-box--danger {
  background: rgba(229, 115, 115, 0.1);
  border-color: var(--color-negative);
}

/* Info Callout */
.info-callout {
  background: var(--color-bg-subtle);
  border-left: 4px solid var(--color-brand-primary);
  padding: var(--space-3) var(--space-4);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

/* Info Tip */
.info-tip {
  margin-top: var(--space-5);
  padding: var(--space-4);
  background: var(--color-bg-subtle);
  border-radius: var(--radius-md);
  text-align: center;
}

.info-tip p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

/* Cash Flow Warning */
.cashflow-warning {
  background: var(--color-negative-bg);
  border: 2px solid var(--color-negative);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  margin-bottom: var(--space-5);
}

.cashflow-warning__title {
  color: var(--color-negative-strong, #991b1b);
  margin: 0 0 var(--space-3) 0;
}

.cashflow-warning__item {
  color: #7f1d1d;
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-2);
}

/* ============================================
   7. MODALS
   ============================================ */

.info-modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 10000;
  overflow-y: auto;
}

.info-modal-content {
  background: var(--color-bg-base);
  max-width: 800px;
  margin: 40px auto;
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  max-height: 90vh;
  overflow-y: auto;
}

.info-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-5);
}

.info-modal-title {
  margin: 0;
  color: var(--color-text-default);
}

.info-modal-close {
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--color-text-muted);
}

.info-modal-close:hover {
  color: var(--color-text-default);
}

.info-modal-body {
  line-height: 1.7;
  color: var(--color-text-default);
}

.info-modal-footer {
  margin-top: var(--space-5);
  text-align: right;
}

/* Standard Modal - used across multiple pages */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  overflow-y: auto;
}

.modal.active {
  display: flex;
}

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  overflow-y: auto;
  padding: var(--space-5);
  backdrop-filter: blur(4px);
}

.modal-content {
  background: var(--color-bg-base);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  max-width: 600px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-5);
}

.modal-header h2,
.modal-header h3 {
  margin: 0;
  color: var(--color-text-default);
}

.modal-body {
  line-height: 1.7;
  color: var(--color-text-default);
}

.modal-footer {
  margin-top: var(--space-5);
  display: flex;
  gap: var(--space-3);
  justify-content: flex-end;
}

.modal-actions {
  display: flex;
  gap: var(--space-3);
  justify-content: center;
}

/* Modal Size Variants */
.modal-content--sm {
  max-width: 400px;
}

.modal-content--md {
  max-width: 800px;
}

.modal-content--lg {
  max-width: 1000px;
}

@media (max-width: 768px) {
  .modal-content {
    padding: var(--space-4);
    margin: var(--space-3);
    width: calc(100% - var(--space-6));
  }
}

/* ============================================
   8. NAVIGATION / HEADERS
   ============================================ */

/* Main Nav Bar - for pages with blue gradient background */
.nav-bar {
  padding: var(--space-4) var(--space-6);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-accent);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: white;
  text-decoration: none;
}

.nav-bar .nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.nav-bar .nav-links a {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  transition: color 0.2s ease;
}

.nav-bar .nav-links a:hover {
  color: white;
}

.nav-bar .nav-links a.nav-active {
  color: white;
  font-weight: var(--font-weight-semibold);
}

.nav-bar .nav-links a.nav-logout {
  color: rgba(255, 255, 255, 0.7);
}

.nav-bar .nav-links a.nav-logout:hover {
  color: #ff6b6b;
}

/* Legacy header styles */
.header {
  background-color: var(--color-bg-base);
  border-bottom: 1px solid var(--color-border-default);
  box-shadow: var(--shadow-sm);
  padding: var(--space-4) var(--space-6);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1400px;
  margin: 0 auto;
}

.nav-brand {
  font-family: var(--font-accent);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-brand-primary);
  text-decoration: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  list-style: none;
}

.nav-link {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

.nav-link:hover {
  color: var(--color-brand-primary);
}

.nav-link-active {
  color: var(--color-brand-primary);
}

/* Page Header */
.page-header {
  background: linear-gradient(135deg, var(--color-brand-primary) 0%, var(--color-brand-secondary) 100%);
  color: var(--color-text-inverse);
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-6);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25), 0 0 0 1px rgba(255, 255, 255, 0.1);
}

.page-header h1,
.page-header h2 {
  color: var(--color-text-inverse);
  margin: 0;
}

.page-header p {
  color: rgba(255, 255, 255, 0.9);
  margin: var(--space-2) 0 0 0;
}

.page-header--centered {
  text-align: center;
}

/* Tab Navigation Container */
.tab-navigation {
  display: flex;
  gap: var(--space-1);
  padding: 0 20px;
  border-bottom: 1px solid var(--color-border-default);
  margin-bottom: var(--space-4);
  background: transparent;
}

/* Tab Buttons */
.tab-btn {
  padding: var(--space-3) var(--space-5);
  background: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease;
  white-space: nowrap;
}

.tab-btn:hover {
  color: var(--color-brand-primary);
}

.tab-btn.active {
  color: #ffffff;
  background: var(--color-brand-primary, #2E5EAA);
  border-radius: 20px;
  border-bottom: 3px solid transparent;
  font-weight: var(--font-weight-semibold, 600);
}

/* Section Titles */
.section-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-default);
  margin-bottom: var(--space-3);
}

.section-description {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

/* Settings Section Titles */
.settings-section-title {
  margin: 0 0 var(--space-3) 0;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-default);
}

.settings-sub-section-title {
  margin: 0;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-default);
}

/* Setting Description */
.setting-description {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

/* Sticky Save Section */
.sticky-save-section {
  position: sticky;
  bottom: 0;
  background: var(--color-bg-base);
  padding: var(--space-5) 0;
  border-top: 2px solid var(--color-border-default);
  margin-top: var(--space-6);
}

/* ============================================
   9. LOADING STATES
   ============================================ */

.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-top-color: var(--color-text-inverse);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

.spinner-primary {
  border-top-color: var(--color-brand-primary);
  border-color: rgba(46, 94, 170, 0.2);
}

.spinner-lg {
  width: 40px;
  height: 40px;
  border-width: 4px;
}

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

.loading-text {
  color: var(--color-text-muted);
}

/* Forecast States */
.forecast-state {
  text-align: center;
  padding: 60px var(--space-5);
}

.forecast-state__icon {
  font-size: 48px;
  margin-bottom: var(--space-5);
}

.forecast-state__title {
  margin-bottom: var(--space-3);
}

.forecast-state__title--loading {
  color: var(--color-brand-primary);
}

.forecast-state__title--error {
  color: var(--color-negative);
}

.forecast-state__title--info {
  color: var(--color-text-muted);
}

.forecast-state__text {
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}

/* Skeleton Loaders - Animated placeholder content while loading */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-bg-subtle) 25%,
    var(--color-bg-muted, #e8e8e8) 50%,
    var(--color-bg-subtle) 75%
  );
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s ease-in-out infinite;
  border-radius: var(--radius-sm);
}

@keyframes skeleton-shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Skeleton variants */
.skeleton-text {
  height: 1em;
  min-width: 60px;
}

.skeleton-text--short {
  width: 40%;
}

.skeleton-text--medium {
  width: 60%;
}

.skeleton-text--long {
  width: 80%;
}

.skeleton-text--full {
  width: 100%;
}

.skeleton-circle {
  border-radius: 50%;
}

.skeleton-checkbox {
  width: 18px;
  height: 18px;
}

.skeleton-badge {
  width: 70px;
  height: 24px;
  border-radius: var(--radius-full);
}

.skeleton-amount {
  width: 80px;
  height: 1em;
}

/* Skeleton table row for transaction loading */
.skeleton-row td {
  padding: var(--space-3) var(--space-2);
}

.skeleton-row .skeleton {
  display: inline-block;
}

/* ============================================
   10. EMPTY STATES
   ============================================ */

.empty-state {
  text-align: center;
  padding: var(--space-8) var(--space-6);
  color: var(--color-text-muted);
}

.empty-state__icon {
  font-size: 48px;
  margin-bottom: var(--space-4);
  opacity: 0.5;
}

.empty-state__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-default);
  margin-bottom: var(--space-2);
}

.empty-state__text {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.error-text {
  color: var(--color-negative);
}

/* ============================================
   ALERT HELPER (Custom Alert System)
   ============================================ */

.alert-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  animation: alertFadeIn 0.2s ease-in-out;
}

.alert-box {
  background: var(--color-bg-base);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  min-width: 300px;
  max-width: 500px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
  animation: alertSlideIn 0.3s ease-out;
}

.alert-title {
  margin: 0 0 var(--space-3) 0;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-default);
}

.alert-message {
  margin: 0 0 var(--space-5) 0;
  font-size: var(--font-size-sm);
  line-height: var(--line-height-normal);
  color: var(--color-text-muted);
}

.alert-buttons {
  display: flex;
  gap: var(--space-3);
  justify-content: flex-end;
}

.alert-btn {
  padding: var(--space-3) var(--space-5);
  border: none;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: all 0.2s ease;
}

.alert-btn--primary {
  background: var(--color-brand-primary);
  color: var(--color-text-inverse);
}

.alert-btn--primary:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.alert-btn--retry {
  background: var(--color-positive-strong);
  color: var(--color-text-inverse);
}

.alert-btn--retry:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.alert-btn--cancel {
  background: var(--color-bg-subtle);
  color: var(--color-text-muted);
}

.alert-btn--cancel:hover {
  background: var(--color-bg-muted);
}

.toast-success {
  position: fixed;
  top: var(--space-5);
  right: var(--space-5);
  background: var(--color-positive-strong);
  color: var(--color-text-inverse);
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  z-index: 10001;
  animation: alertSlideInRight 0.3s ease-out;
  max-width: 400px;
}

@keyframes alertFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes alertSlideIn {
  from { transform: scale(0.9); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

@keyframes alertSlideInRight {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

@keyframes alertSlideOutRight {
  from { transform: translateX(0); opacity: 1; }
  to { transform: translateX(100%); opacity: 0; }
}

@keyframes alertFadeOut {
  from { opacity: 1; }
  to { opacity: 0; }
}

/* ============================================
   RESPONSIVE ADJUSTMENTS
   ============================================ */

@media (max-width: 768px) {
  .btn {
    padding: var(--space-2) var(--space-4);
    font-size: var(--font-size-xs);
  }

  .card {
    padding: var(--space-4);
  }

  .address-grid {
    grid-template-columns: 1fr;
  }

  .nav-links {
    display: none;
  }
}

/* ============================================
   11. PAGINATION
   ============================================ */

.pagination {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid var(--color-border-default);
  background: var(--color-bg-subtle);
}

.pagination-info {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

.pagination-controls {
  display: flex;
  gap: var(--space-3);
}

.pagination-controls .btn {
  min-width: 80px;
}

/* ============================================
   12. ERROR MESSAGE
   ============================================ */

.error-message {
  color: var(--color-negative-strong);
  padding: var(--space-4);
  background: var(--color-negative-bg, #fee2e2);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-negative-light, #fecaca);
}

/* ============================================
   13. UNIFIED PAGE SHELL
   ============================================ */

.app-shell {
  min-height: 100vh;
  background: var(--color-bg-base);
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  background: linear-gradient(135deg, var(--color-brand-primary), var(--color-brand-secondary));
  color: var(--color-text-inverse);
  flex-wrap: wrap;
  gap: var(--space-3);
}

.app-header__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  margin: 0;
  color: inherit;
}

.app-header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

/* Header buttons: frosted white on blue gradient */
.app-header .btn {
  background: rgba(255, 255, 255, 0.15);
  color: var(--color-text-inverse);
  border: 1px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(4px);
}

.app-header .btn:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: translateY(-1px);
}

.app-header .btn-primary {
  background: var(--color-bg-base);
  color: var(--color-brand-primary);
  border: 1px solid rgba(255, 255, 255, 0.5);
}

.app-header .btn-primary:hover {
  background: rgba(255, 255, 255, 0.95);
}

.app-content {
  padding: var(--space-5);
}

/* Page shell responsive */
@media (max-width: 768px) {
  .app-header {
    padding: var(--space-3);
  }

  .app-header__title {
    font-size: var(--font-size-lg);
  }

  .app-content {
    padding: var(--space-3);
  }
}

@media (max-width: 480px) {
  .app-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .app-header__actions {
    width: 100%;
    overflow-x: auto;
  }
}