/* ============================================================
   Freelance Tax Helper — Styles
   ============================================================ */

:root {
  --purple-50: #f5f3ff;
  --purple-100: #ede9fe;
  --purple-200: #ddd6fe;
  --purple-400: #a78bfa;
  --purple-500: #8b5cf6;
  --purple-600: #7c3aed;
  --purple-700: #6d28d9;
  --green-50: #f0fdf4;
  --green-600: #16a34a;
  --green-700: #15803d;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --red-600: #dc2626;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-lg: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--gray-50);
  color: var(--gray-800);
  line-height: 1.5;
  min-height: 100vh;
}

/* Disclaimer */
.disclaimer {
  text-align: center;
  padding: 6px 16px;
  font-size: 11px;
  color: var(--gray-400);
  letter-spacing: 0.01em;
}

/* Top Bar */
.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 32px;
  background: white;
  border-bottom: 1px solid var(--gray-200);
}

.top-bar h1 {
  font-size: 20px;
  font-weight: 600;
  color: var(--gray-900);
}

.top-actions {
  display: flex;
  gap: 8px;
}

/* Container */
.container {
  max-width: 1100px;
  margin: 32px auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 32px;
  align-items: start;
}

/* Panels */
.panel {
  background: white;
  border-radius: var(--radius);
  border: 1px solid var(--gray-200);
  padding: 28px;
  box-shadow: var(--shadow);
}

.form-panel h2 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--gray-900);
}

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

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-600);
  margin-bottom: 6px;
}

select, input[type="text"], input[type="date"] {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--gray-300);
  border-radius: 8px;
  font-size: 15px;
  color: var(--gray-800);
  background: white;
  transition: border-color 0.15s, box-shadow 0.15s;
}

select:focus, input:focus {
  outline: none;
  border-color: var(--purple-400);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

.input-with-prefix {
  position: relative;
}

.input-with-prefix .prefix {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-400);
  font-size: 15px;
  pointer-events: none;
}

.input-with-prefix input {
  padding-left: 24px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  border: none;
}

.btn-primary {
  width: 100%;
  background: var(--purple-600);
  color: white;
  padding: 12px 20px;
  font-size: 15px;
  font-weight: 600;
  margin-top: 8px;
}

.btn-primary:hover {
  background: var(--purple-700);
}

.btn-secondary {
  background: var(--purple-50);
  color: var(--purple-700);
  border: 1px solid var(--purple-200);
  width: 100%;
}

.btn-secondary:hover {
  background: var(--purple-100);
}

.btn-outline {
  background: white;
  color: var(--gray-600);
  border: 1px solid var(--gray-300);
  padding: 8px 14px;
  font-size: 13px;
}

.btn-outline:hover {
  background: var(--gray-50);
  border-color: var(--gray-400);
}

/* Toggle buttons */
.toggle-btn {
  background: none;
  border: none;
  color: var(--purple-600);
  font-size: 14px;
  cursor: pointer;
  padding: 4px 0;
  margin-bottom: 8px;
  font-weight: 500;
}

.toggle-btn:hover {
  color: var(--purple-700);
}

/* Projection Box */
.projection-box {
  padding: 14px 16px;
  background: var(--gray-50);
  border-radius: 8px;
  margin-bottom: 16px;
  border: 1px solid var(--gray-200);
}

.projection-header {
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-500);
  margin-bottom: 10px;
}

.projection-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.projection-field {
  margin-bottom: 10px !important;
}

.projection-field label {
  font-size: 12px !important;
}

/* Projection committed state */
.projection-committed-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.projection-committed-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.projection-committed-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--gray-500);
}

.projection-committed-amount {
  font-size: 20px;
  font-weight: 700;
  color: var(--purple-700);
}

.projection-committed-detail {
  font-size: 12px;
  color: var(--gray-400);
}

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

.today-btn {
  background: none;
  border: none;
  color: var(--purple-600);
  font-size: 11px;
  font-weight: 500;
  cursor: pointer;
  padding: 0 4px;
  margin-left: 4px;
}

.today-btn:hover {
  color: var(--purple-700);
  text-decoration: underline;
}

/* Checkbox + Help Tooltip */
.checkbox-group {
  margin-bottom: 16px;
}

.checkbox-label {
  display: inline-flex !important;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-600);
  cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--purple-600);
  cursor: pointer;
}

.help-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--gray-200);
  color: var(--gray-500);
  font-size: 11px;
  font-weight: 700;
  cursor: help;
  flex-shrink: 0;
  transition: background 0.15s, color 0.15s;
}

.help-icon:hover, .help-icon:focus {
  background: var(--purple-200);
  color: var(--purple-700);
  outline: none;
}

.help-tooltip {
  display: none;
  margin-top: 8px;
  padding: 10px 12px;
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--gray-500);
}

.help-icon:hover + .help-tooltip,
.help-icon:focus + .help-tooltip,
.help-tooltip:hover {
  display: block;
}

/* Subsections */
.subsection {
  padding: 16px;
  background: var(--gray-50);
  border-radius: 8px;
  margin-bottom: 16px;
  border: 1px solid var(--gray-200);
}

.helper-text {
  font-size: 13px;
  color: var(--gray-500);
  margin-bottom: 12px;
}

.hidden { display: none !important; }

/* Flash animation for projected income */
@keyframes flash-highlight {
  0% { background: var(--purple-100); }
  100% { background: white; }
}

.flash {
  animation: flash-highlight 0.6s ease-out;
}

/* ============================================================
   Results Panel
   ============================================================ */

.results-header {
  margin-bottom: 24px;
}

.results-header .question {
  font-size: 14px;
  color: var(--gray-500);
  margin-bottom: 4px;
}

.results-header .answer {
  font-size: 24px;
  font-weight: 700;
}

.answer.yes { color: var(--green-700); }
.answer.no { color: var(--gray-500); }

/* Payment Cards */
.payment-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 28px;
}

.payment-card {
  display: flex;
  flex-direction: column;
  padding: 20px;
  border-radius: 10px;
  border: 1px solid var(--gray-200);
}

.payment-card.federal {
  background: var(--purple-50);
  border-color: var(--purple-200);
}

.payment-card.state {
  background: var(--green-50);
  border-color: #bbf7d0;
}

.payment-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-500);
  margin-bottom: 4px;
}

.payment-amount {
  font-size: 28px;
  font-weight: 700;
  color: var(--gray-900);
}

.payment-amount-row {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.copy-btn {
  font-size: 12px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 6px;
  border: 1px solid var(--gray-200);
  background: white;
  color: var(--gray-700);
  cursor: pointer;
  transition: all 0.15s ease;
}

.copy-btn:hover {
  border-color: var(--gray-500);
  color: var(--gray-900);
}

.copy-btn.copied {
  background: #dcfce7;
  border-color: #86efac;
  color: #047857;
}

.pay-link {
  margin-top: 10px;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  color: var(--gray-700);
  align-self: flex-start;
}

.payment-card.federal .pay-link { color: #6d28d9; }
.payment-card.state .pay-link { color: #047857; }
.pay-link:hover { text-decoration: underline; }

/* Breakdown Table */
.breakdown {
  border-top: 1px solid var(--gray-200);
  padding-top: 24px;
}

.breakdown h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
}

.breakdown-table {
  width: 100%;
  border-collapse: collapse;
}

.breakdown-table td {
  padding: 8px 0;
  font-size: 14px;
}

.breakdown-table .label {
  color: var(--gray-600);
}

.breakdown-table .value {
  text-align: right;
  font-weight: 500;
  color: var(--gray-800);
  font-variant-numeric: tabular-nums;
}

.breakdown-table .value.muted {
  color: var(--gray-400);
}

.breakdown-table .value.negative {
  color: var(--green-600);
}

.row-highlight td {
  font-weight: 600;
  color: var(--gray-900) !important;
  border-top: 1px solid var(--gray-200);
  padding-top: 12px;
}

.section-gap {
  border-top: 1px solid var(--gray-100);
}

.section-gap tr:first-child td {
  padding-top: 16px;
}

.totals .row-total td {
  font-weight: 600;
  color: var(--gray-900) !important;
  padding: 10px 0;
  border-top: 1px solid var(--gray-200);
}

/* ============================================================
   Responsive
   ============================================================ */

@media (max-width: 800px) {
  .container {
    grid-template-columns: 1fr;
    margin: 16px auto;
    padding: 0 16px;
  }

  .top-bar {
    padding: 12px 16px;
    flex-wrap: wrap;
    gap: 8px;
  }

  .top-bar h1 {
    font-size: 16px;
  }

  .payment-amount {
    font-size: 22px;
  }
}