/* ============================================================
   Karify — Components
   Reusable UI building blocks: cards, tables, inputs, buttons,
   pills, badges, toggles, verdict boxes, result grids, sliders.
   ============================================================ */

/* ---- Card (glassmorphism) ---- */
.card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: border-color var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out);
}

.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--accent);
  opacity: 0.6;
}

.card:hover {
  border-color: var(--border-bright);
  box-shadow: var(--shadow-card), inset 0 0 0 1px rgba(255, 255, 255, 0.03);
}

.card-title {
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--text);
  margin-bottom: var(--space-2);
  letter-spacing: -0.01em;
}

.card-label {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-dim);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: var(--space-3);
}

/* ---- Data table ---- */
.data-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--navy-mid);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  table-layout: fixed;
}

.data-table thead tr {
  background: color-mix(in srgb, var(--accent) 5%, transparent);
  border-bottom: 1px solid var(--border);
}

.data-table thead th {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--text-dim);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: var(--space-3) var(--space-4);
  text-align: right;
  font-weight: 400;
}

.data-table thead th:first-child {
  text-align: left;
  width: 45%;
}

.data-table tbody tr {
  border-bottom: 1px solid color-mix(in srgb, var(--accent) 5%, transparent);
  transition: background var(--duration-fast) var(--ease-out);
}

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

.data-table tbody tr:hover {
  background: color-mix(in srgb, var(--accent) 3%, transparent);
}

.data-table td {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--text-muted);
  padding: var(--space-3) var(--space-4);
  text-align: right;
}

.data-table td:first-child {
  text-align: left;
  font-family: var(--font-sans);
  color: var(--text-muted);
}

/* Row variants */
.data-table tbody tr.row-subtotal {
  background: color-mix(in srgb, var(--accent) 4%, transparent);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.data-table tbody tr.row-subtotal td {
  font-weight: 500;
  color: var(--text);
}

.data-table tbody tr.row-total {
  background: rgba(105, 240, 174, 0.04);
  border-top: 1px solid rgba(105, 240, 174, 0.15);
}

.data-table tbody tr.row-total td {
  font-weight: 500;
  color: var(--positive);
}

.data-table tbody tr.row-spacer td {
  padding: 4px 0;
  background: rgba(0, 0, 0, 0.15);
}

/* Value color utilities */
.val-red    { color: var(--negative) !important; }
.val-accent { color: var(--accent) !important; }
.val-green  { color: var(--positive) !important; }
.val-amber  { color: var(--warning) !important; }

/* ---- Input wrapper (with currency prefix) ---- */
.input-wrap {
  display: flex;
  align-items: stretch;
  background: var(--navy-mid);
  border: 1px solid var(--border-bright);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out);
}

.input-wrap:focus-within {
  border-color: var(--accent);
  box-shadow: var(--shadow-glow);
}

.input-prefix {
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  color: var(--accent);
  padding: 0 14px;
  border-right: 1px solid var(--border);
  line-height: 54px;
  flex-shrink: 0;
  background: color-mix(in srgb, var(--accent) 5%, transparent);
}

.input-wrap input {
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  font-weight: 500;
  color: var(--text);
  background: transparent;
  border: none;
  outline: none;
  padding: 0 var(--space-4);
  width: 100%;
  height: 54px;
  letter-spacing: -0.01em;
}

.input-wrap input::placeholder {
  color: var(--text-dim);
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 10px 18px;
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: background var(--duration-fast) var(--ease-out),
              color var(--duration-fast) var(--ease-out),
              border-color var(--duration-fast) var(--ease-out),
              transform var(--duration-fast) var(--ease-out);
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn:active { transform: scale(0.98); }

.btn-primary {
  background: var(--accent);
  color: var(--navy);
  font-weight: 500;
}

.btn-primary:hover {
  background: color-mix(in oklab, var(--accent) 85%, white);
}

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border-color: var(--border);
}

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

.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-md);
  background: var(--navy-mid);
  border-color: var(--border);
  color: var(--text-muted);
  font-size: var(--text-lg);
}

.btn-icon:hover {
  color: var(--accent);
  border-color: var(--border-bright);
}

.btn-export {
  background: transparent;
  color: var(--accent);
  border-color: var(--border-bright);
}

.btn-export::before {
  content: '↓';
  font-size: var(--text-base);
  margin-right: 2px;
}

.btn-export:hover {
  background: color-mix(in srgb, var(--accent) 8%, transparent);
}

/* ---- Pills & badges ---- */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  background: color-mix(in srgb, var(--accent) 8%, transparent);
  color: var(--accent);
  border: 1px solid var(--border);
  letter-spacing: 0.04em;
}

.badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  color: var(--accent);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Category tab pill — larger, active state with accent glow */
.cat-pill {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-muted);
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  background: var(--navy-mid);
  border: 1px solid var(--border);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: background var(--duration-fast) var(--ease-out),
              color var(--duration-fast) var(--ease-out),
              border-color var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out);
}

.cat-pill:hover {
  color: var(--text);
  border-color: var(--border-bright);
}

.cat-pill.active {
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  color: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 35%, transparent);
  font-weight: 500;
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 10%, transparent);
}

/* Module pill (secondary nav) */
.module-pill {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  padding: 7px 14px;
  border-radius: var(--radius-pill);
  background: var(--navy-mid);
  border: 1px solid var(--border);
  letter-spacing: 0.04em;
  transition: background var(--duration-fast) var(--ease-out),
              color var(--duration-fast) var(--ease-out),
              border-color var(--duration-fast) var(--ease-out);
}

.module-pill:hover {
  color: var(--text);
  border-color: var(--border-bright);
}

.module-pill.active {
  color: var(--accent);
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 8%, transparent);
}

/* ---- Toggle group ---- */
.toggle-group {
  display: flex;
  background: var(--navy-mid);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 4px;
  gap: 2px;
}

.toggle-btn {
  flex: 1;
  padding: 9px 12px;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  letter-spacing: 0.04em;
  transition: background var(--duration-fast) var(--ease-out),
              color var(--duration-fast) var(--ease-out);
  white-space: nowrap;
}

.toggle-btn.active {
  background: var(--accent);
  color: var(--navy);
  font-weight: 500;
}

.toggle-btn:not(.active):hover {
  color: var(--text);
}

/* ---- Range slider ---- */
.range-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  border-radius: var(--radius-pill);
  background: var(--navy-light);
  outline: none;
  padding: 0;
  margin: var(--space-3) 0;
}

.range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  border: 3px solid var(--navy);
  box-shadow: 0 0 0 1px var(--accent);
  transition: transform var(--duration-fast) var(--ease-out);
}

.range-slider::-webkit-slider-thumb:hover {
  transform: scale(1.1);
}

.range-slider::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  border: 3px solid var(--navy);
  box-shadow: 0 0 0 1px var(--accent);
}

/* ---- Verdict box ---- */
.verdict-box {
  background: var(--navy-mid);
  border: 1px solid var(--border-bright);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
  position: relative;
  overflow: hidden;
}

.verdict-box::before {
  content: '';
  position: absolute;
  top: 0; left: 0; bottom: 0;
  width: 3px;
  background: var(--accent);
}

.verdict-icon {
  font-size: var(--text-lg);
  flex-shrink: 0;
  color: var(--accent);
  margin-top: 1px;
}

.verdict-text {
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: 1.7;
}

.verdict-text strong {
  color: var(--accent);
  font-weight: 500;
}

/* ---- Result grid ---- */
.result-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.result-card {
  background: var(--navy-mid);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-6);
  position: relative;
  overflow: hidden;
}

.result-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--accent);
  opacity: 0.4;
}

.result-card-label {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-dim);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: var(--space-3);
}

.result-card-value {
  font-family: var(--font-mono);
  font-size: var(--text-2xl);
  font-weight: 500;
  color: var(--text);
  letter-spacing: -0.02em;
}

.result-card-sub {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin-top: var(--space-2);
}

/* ---- Impact row ---- */
.impact-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}

.impact-card {
  background: var(--navy-mid);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
}

.impact-label {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--text-dim);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--space-2);
  line-height: 1.5;
}

.impact-val {
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--text);
  margin-bottom: 2px;
}

.impact-val.green { color: var(--positive); }
.impact-val.red   { color: var(--negative); }
.impact-val.amber { color: var(--warning); }

.impact-sub {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-dim);
}

/* ---- Field label ---- */
.field-label {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--space-2);
}

/* ---- Divider ---- */
.divider {
  height: 1px;
  background: var(--border);
  border: none;
  margin: var(--space-6) 0;
}

/* ---- Responsive ---- */

/* Horizontal scroll for wide tables on narrow screens */
.data-table {
  display: block;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

@media (max-width: 767px) {
  .result-grid {
    grid-template-columns: 1fr;
  }

  .impact-row {
    grid-template-columns: 1fr;
  }

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

  .data-table thead th,
  .data-table td {
    padding: var(--space-3);
    font-size: var(--text-xs);
  }

  .input-row {
    flex-direction: column;
  }

  .pill-group {
    flex-wrap: wrap;
  }

  .module-pills {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .module-pills::-webkit-scrollbar {
    display: none;
  }
}

/* ============================================================
   Module layout primitives — reusable across every module.
   Establishes the shared shell pattern for the 22 modules after
   the Income Tax Calculator so none of them ship with inline
   flex/grid styles.
   ============================================================ */

/* Top of every module: title stack on the left, actions on the right */
.module-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.module-title-stack {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.module-title {
  font-family: var(--font-display, var(--font-sans));
  font-size: 28px;
  font-weight: 500;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--text);
}

.module-title-pills {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.module-actions {
  display: flex;
  gap: var(--space-2);
  align-items: center;
}

/* Vertical stack used for the module's main content area */
.module-content {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

/* Vertical stack used inside the inputs section */
.module-input-stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

/* Collapsible <details> wrapper — consistent bordered box across modules */
.collapsible {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
}

.collapsible-tight {
  padding: 12px var(--space-4);
}

.collapsible-summary {
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.collapsible-body {
  margin-top: 12px;
}

/* Auto-fit input grid for deduction fields and HRA inputs */
.input-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-4);
}

.input-grid--wide {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

/* Pill variants used by modules */
.pill-ghost {
  background: transparent;
}

.pill-status {
  opacity: 0;
  transition: opacity 0.3s var(--ease-out);
}

.pill-status.visible {
  opacity: 1;
}

/* Small ghost button for inline actions (e.g., "Change" next to a pill) */
.btn-compact {
  padding: 6px 12px;
  font-size: 10px;
}

/* Font-mono body block for calculation steps, HRA rule breakdown, etc. */
.mono-block {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.9;
}

.mono-block-title {
  color: var(--text);
  margin-bottom: 6px;
}

.mono-block-sub {
  margin-top: 10px;
  color: var(--text-dim);
}

.mono-block-accent {
  margin-top: 6px;
  color: var(--accent);
}

/* Age-override wrapper (pill + "Change" button inline) */
.age-override-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.age-override-toggle {
  margin-top: 12px;
}

.age-override-toggle.hidden {
  display: none;
}

/* Compact max-width container for small toggle groups inside the inputs area */
.toggle-group--compact { max-width: 320px; }
.toggle-group--medium  { max-width: 420px; }

/* Max-width variant for .input-wrap so currency fields don't stretch full width */
.input-wrap--medium { max-width: 420px; }

/* Divider with no margin (used between stacked sections that already have gap) */
.divider--tight { margin: 0; }

/* Verdict CTA row (link button under the verdict box text) */
.verdict-cta-row {
  margin-top: 10px;
}

/* ---- Tooltip popover (core/tooltip.js) ---- */
.tooltip-popover {
  position: absolute;
  z-index: 9999;
  min-width: 240px;
  max-width: min(360px, calc(100vw - 24px));
  background: var(--navy-mid);
  border: 1px solid var(--border-bright);
  border-radius: var(--radius-lg);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.45),
              0 0 0 1px rgba(255, 255, 255, 0.03);
  padding: var(--space-4) var(--space-5);
  color: var(--text);
  animation: fadeUp 160ms var(--ease-out) both;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.tooltip-arrow {
  position: absolute;
  top: -6px;
  width: 12px;
  height: 12px;
  background: var(--navy-mid);
  border-top: 1px solid var(--border-bright);
  border-left: 1px solid var(--border-bright);
  transform: translateX(-50%) rotate(45deg);
  pointer-events: none;
}

.tooltip-popover.flip-up .tooltip-arrow {
  top: auto;
  bottom: -6px;
  border-top: none;
  border-left: none;
  border-right: 1px solid var(--border-bright);
  border-bottom: 1px solid var(--border-bright);
}

.tooltip-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-2);
}

.tooltip-title {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--text);
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.tooltip-close {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  padding: 0;
  border: none;
  background: transparent;
  color: var(--text-dim);
  font-size: 14px;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: background var(--duration-fast) var(--ease-out),
              color var(--duration-fast) var(--ease-out);
}

.tooltip-close:hover,
.tooltip-close:focus-visible {
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  color: var(--accent);
  outline: none;
}

.tooltip-subtitle {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-dim);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-3);
}

.tooltip-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.tooltip-section {
  padding-left: var(--space-3);
  border-left: 2px solid color-mix(in srgb, var(--accent) 40%, transparent);
}

.tooltip-section-heading {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 4px;
  font-weight: 500;
}

.tooltip-section-body {
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: 1.55;
}

/* Reduced-motion users: fade-in only, no slide */
@media (prefers-reduced-motion: reduce) {
  .tooltip-popover { animation: none; }
}

@supports not (color: color-mix(in srgb, red, blue)) {
  .tooltip-close:hover,
  .tooltip-close:focus-visible { background: rgba(79,195,247,0.10); }
  .tooltip-section { border-left-color: rgba(79,195,247,0.40); }
}

/* Fallback for browsers without color-mix support (locks to blue accent). */
@supports not (color: color-mix(in srgb, red, blue)) {
  .data-table thead tr, .input-prefix { background: rgba(79,195,247,0.05); }
  .data-table tbody tr { border-bottom-color: rgba(79,195,247,0.05); }
  .data-table tbody tr:hover { background: rgba(79,195,247,0.03); }
  .data-table tbody tr.row-subtotal { background: rgba(79,195,247,0.04); }
  .btn-export:hover, .pill, .module-pill.active { background: rgba(79,195,247,0.08); }
  .badge { background: rgba(79,195,247,0.10); }
  .cat-pill.active { background: rgba(79,195,247,0.12); border-color: rgba(79,195,247,0.35); box-shadow: 0 0 0 4px rgba(79,195,247,0.10); }
}