/* ============================================
   Bank Statement Export — Custom Design System
   ============================================ */

/* --- Custom Properties --- */
:root {
  --color-bg: #f8f9fa;
  --color-surface: #ffffff;
  --color-text: #1a1a2e;
  --color-text-secondary: #6b7280;
  --color-accent: #0d9488;
  --color-accent-hover: #0f766e;
  --color-accent-ring: rgba(13, 148, 136, 0.25);
  --color-income: #16a34a;
  --color-expense: #dc2626;
  --color-border: #e5e7eb;
  --color-input-bg: #f3f4f6;
  --color-row-hover: rgba(13, 148, 136, 0.04);
  --color-error-bg: #fef2f2;
  --color-error-border: #fca5a5;
  --color-error-text: #991b1b;

  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'SF Mono', 'Cascadia Code', 'Fira Code', monospace;

  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;

  --radius-sm: 8px;
  --radius-md: 14px;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06), 0 4px 12px rgba(0, 0, 0, 0.04);
  --shadow-card-hover: 0 2px 6px rgba(0, 0, 0, 0.08), 0 8px 24px rgba(0, 0, 0, 0.06);

  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
}

/* --- Reset --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* --- Base --- */
body {
  direction: rtl;
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

input, select, button, textarea {
  direction: ltr;
  text-align: left;
  font-family: inherit;
  font-size: inherit;
}

.app {
  max-width: 720px;
  margin: 0 auto;
  padding: var(--space-lg) var(--space-md);
  transition: max-width 400ms ease;
}

/* --- Header --- */
.app-header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.app-header h1 {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin-bottom: var(--space-xs);
}

.app-header .subtitle {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  font-weight: 400;
}

/* --- Card --- */
.card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  padding: var(--space-xl);
  margin-bottom: var(--space-lg);
  transition: box-shadow var(--transition-base);
}

/* --- Form collapse animation --- */
#form-card {
  position: relative;
}

#form-card .form-content {
  transition: opacity 400ms ease, max-height 400ms ease;
  max-height: 600px;
  opacity: 1;
  overflow: hidden;
}

#form-card.collapsed .form-content {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
}

#form-card .collapsed-bar {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  cursor: pointer;
  padding: var(--space-xs) 0;
  margin-bottom: var(--space-sm);
}

#form-card.collapsed .collapsed-bar {
  margin-bottom: 0;
}

#form-card .collapsed-bar:hover {
  color: var(--color-text);
}

#form-card .collapsed-bar .expand-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.4rem;
  height: 1.4rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-accent);
  background: var(--color-accent-ring);
  border-radius: 50%;
  margin-inline-start: auto;
  transition: transform 200ms ease;
  transform: rotate(-90deg);
}

#form-card.collapsed .collapsed-bar .expand-icon {
  transform: rotate(0deg);
}

/* --- App wide mode for results --- */
.app.app-wide {
  max-width: 960px;
}

/* --- Result fade-in --- */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

#result-section:not(.hidden) {
  animation: fadeIn 400ms ease both;
}

/* --- Form --- */
.form-group {
  margin-bottom: var(--space-md);
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: var(--space-xs);
  text-align: left;
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 0.65rem 0.85rem;
  background: var(--color-input-bg);
  border: 1.5px solid transparent;
  border-radius: var(--radius-sm);
  color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.form-group input:focus,
.form-group select:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-ring);
  background: var(--color-surface);
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b7280' d='M2.5 4.5L6 8l3.5-3.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: left 0.75rem center;
  padding-left: 2rem;
}

/* --- Settings Toggle (details/summary) --- */
details {
  margin-bottom: var(--space-lg);
}

details summary {
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  list-style: none;
  user-select: none;
  padding: var(--space-sm) 0;
  transition: color var(--transition-fast);
}

details summary::-webkit-details-marker {
  display: none;
}

details summary::before {
  content: '+';
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.4rem;
  height: 1.4rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-accent);
  background: var(--color-accent-ring);
  border-radius: 50%;
  margin-left: var(--space-sm);
  transition: transform var(--transition-fast);
}

details[open] summary::before {
  content: '\2212';
}

details summary:hover {
  color: var(--color-text);
}

.settings-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-md);
  align-items: end;
  margin-top: var(--space-md);
  direction: ltr;
}

.settings-grid .form-group:last-child select {
  width: auto;
  min-width: 5rem;
}

/* --- Date Range --- */
.date-range {
  display: flex;
  align-items: center;
}

.date-seg {
  padding: 0.65rem 0;
  background: var(--color-input-bg);
  border: 1.5px solid transparent;
  border-left: none;
  border-right: none;
  color: var(--color-text);
  outline: none;
  font-family: var(--font-mono);
  font-size: inherit;
  text-align: center;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.date-seg-sm {
  width: 2.2rem;
}

.date-seg-lg {
  width: 3.2rem;
}

.date-seg:focus {
  border-color: var(--color-accent);
  background: var(--color-surface);
  z-index: 1;
  position: relative;
}

/* First and last segments get rounded corners */
.date-range .date-seg:first-child {
  border-left: 1.5px solid transparent;
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
  padding-left: 0.4rem;
}

.date-range .date-seg:first-child:focus {
  border-left-color: var(--color-accent);
}

.date-range .date-seg:last-child {
  border-right: 1.5px solid transparent;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding-right: 0.4rem;
}

.date-range .date-seg:last-child:focus {
  border-right-color: var(--color-accent);
}

.date-slash {
  color: var(--color-text-secondary);
  font-size: 0.85rem;
  background: var(--color-input-bg);
  padding: 0.65rem 0.1rem;
  user-select: none;
}

.date-sep {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 0.5rem;
  background: var(--color-border);
  color: var(--color-text-secondary);
  font-weight: 600;
  height: calc(1.6 * 1em + 1.3rem + 3px);
  user-select: none;
}

@media (max-width: 600px) {
  .settings-grid {
    grid-template-columns: 1fr;
  }
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.9rem;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
  padding: 0.7rem 1.4rem;
  outline: none;
}

.btn:active {
  transform: scale(0.97);
}

.btn:focus-visible {
  box-shadow: 0 0 0 3px var(--color-accent-ring);
}

.btn-primary {
  background: var(--color-accent);
  color: #fff;
  width: 100%;
}

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

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
  border: 1.5px solid var(--color-border);
}

.btn-ghost:hover {
  color: var(--color-text);
  border-color: var(--color-text-secondary);
}

.btn-sm {
  padding: 0.45rem 1rem;
  font-size: 0.82rem;
  width: auto;
}

/* --- Step Bar --- */
.step-bar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  direction: ltr;
  padding: var(--space-sm) 0;
}

.step-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  flex: 1;
  z-index: 1;
}

.step-dot {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  border: 2px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-secondary);
  transition: all var(--transition-base);
  position: relative;
  z-index: 2;
}

.step-label {
  font-size: 0.72rem;
  color: var(--color-text-secondary);
  margin-top: var(--space-xs);
  text-align: center;
  white-space: nowrap;
}

/* Connector line between dots */
.step-node:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 14px;
  left: calc(50% + 18px);
  right: calc(-50% + 18px);
  height: 2px;
  background: var(--color-border);
  z-index: 0;
  transition: background var(--transition-base);
}

/* Completed */
.step-node.completed .step-dot {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}

.step-node.completed::after {
  background: var(--color-accent);
}

/* Active */
.step-node.active .step-dot {
  border-color: var(--color-accent);
  color: var(--color-accent);
  box-shadow: 0 0 0 4px var(--color-accent-ring);
  animation: pulse 1.5s ease-in-out infinite;
}

/* Pending */
.step-node.pending .step-dot {
  opacity: 0.4;
}

.step-node.pending .step-label {
  opacity: 0.4;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 4px var(--color-accent-ring); }
  50% { box-shadow: 0 0 0 8px rgba(13, 148, 136, 0.1); }
}

@media (max-width: 600px) {
  .step-label {
    display: none;
  }

  .step-dot {
    width: 24px;
    height: 24px;
    font-size: 0.7rem;
  }

  .step-node:not(:last-child)::after {
    top: 12px;
    left: calc(50% + 16px);
    right: calc(-50% + 16px);
  }
}

/* --- Stat Cards --- */
.stat-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.stat-card {
  text-align: center;
  padding: var(--space-md) var(--space-sm);
  background: var(--color-bg);
  border-radius: var(--radius-sm);
}

.stat-value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-xs);
}

.stat-label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-secondary);
}

.stat-count .stat-value {
  color: var(--color-text);
}

.stat-income .stat-value {
  color: var(--color-income);
}

.stat-expense .stat-value {
  color: var(--color-expense);
}

@media (max-width: 480px) {
  .stat-cards {
    grid-template-columns: 1fr;
  }
}

/* --- Result Actions --- */
.result-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
  flex-wrap: wrap;
}

/* --- Table --- */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-sm);
}

#tx-table {
  width: 100%;
  border-collapse: collapse;
  white-space: nowrap;
  font-size: 0.84rem;
}

#tx-table thead {
  position: sticky;
  top: 0;
  z-index: 2;
}

#tx-table th {
  background: var(--color-bg);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-secondary);
  padding: 0.6rem 0.75rem;
  text-align: right;
  border-bottom: 1.5px solid var(--color-border);
}

#tx-table td {
  padding: 0.55rem 0.75rem;
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
}

#tx-table tbody tr:hover {
  background: var(--color-row-hover);
}

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

#tx-table td.ltr {
  direction: ltr;
  text-align: left;
}

/* Amount styling */
.amount-pos {
  color: var(--color-income);
  font-weight: 600;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.amount-neg {
  color: var(--color-expense);
  font-weight: 600;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* --- Alert --- */
.alert {
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg);
  margin-bottom: var(--space-lg);
  font-size: 0.9rem;
}

.alert-error {
  background: var(--color-error-bg);
  color: var(--color-error-text);
  border-inline-start: 4px solid var(--color-error-border);
}

/* --- Utility --- */
.hidden {
  display: none !important;
}