/* ============================================================
   Payout Report Generator - Design System
   ============================================================ */

:root {
  /* Surfaces */
  --bg: #0a0d14;
  --surface-1: #11151e;
  --surface-2: #171c27;
  --surface-3: #1f2531;
  --border: #252c3b;
  --border-strong: #313a4d;

  /* Text */
  --text: #e8ebf1;
  --text-2: #a8b0bf;
  --text-3: #828a9c;  /* AA-passing on --bg at small sizes (4.6+:1) */

  /* Brand + state */
  --accent: #6366f1;
  --accent-hover: #5258e5;
  --accent-soft: rgba(99, 102, 241, 0.12);
  --accent-ring: rgba(99, 102, 241, 0.4);

  --success: #10b981;
  --success-soft: rgba(16, 185, 129, 0.12);
  --warning: #f59e0b;
  --warning-soft: rgba(245, 158, 11, 0.12);
  --danger: #ef4444;
  --danger-soft: rgba(239, 68, 68, 0.12);
  --info: #38bdf8;
  --info-soft: rgba(56, 189, 248, 0.12);

  /* Shape + motion */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 24px 60px rgba(0, 0, 0, 0.5);

  --ease: cubic-bezier(0.2, 0.8, 0.2, 1);

  /* Typography */
  --font-sans: ui-sans-serif, -apple-system, BlinkMacSystemFont, 'Segoe UI',
               Roboto, Inter, system-ui, sans-serif;
  --font-mono: ui-monospace, 'SF Mono', 'JetBrains Mono', Menlo, Monaco,
               Consolas, monospace;
}

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

html, body { height: 100%; }

body {
  font-family: var(--font-sans);
  background: radial-gradient(ellipse at top, #0f1320 0%, var(--bg) 60%);
  color: var(--text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

button { font-family: inherit; cursor: pointer; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: var(--radius-xs);
}

/* Form controls already paint their own focus ring; suppress the global one */
.input:focus-visible,
.select:focus-visible,
.textarea:focus-visible {
  outline: none;
}

/* ============================================================
   Layout
   ============================================================ */
.shell {
  max-width: 1080px;
  margin: 0 auto;
  padding: 32px 24px 64px;
}

.shell--narrow { max-width: 720px; }

/* App header (sticky brand bar) */
.brandbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 24px;
  border-bottom: 1px solid var(--border);
  background: rgba(10, 13, 20, 0.7);
  backdrop-filter: saturate(140%) blur(8px);
  position: sticky;
  top: 0;
  z-index: 50;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 15px;
  letter-spacing: -0.01em;
  color: var(--text);
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: linear-gradient(135deg, #6366f1, #4f46e5);
  color: #fff;
  font-size: 14px;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.35);
}

.brandbar-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-3);
  font-size: 13px;
}

.shop-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-2);
  font-size: 12px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.15s var(--ease), border-color 0.15s var(--ease), color 0.15s var(--ease);
}

.shop-pill:hover {
  background: var(--surface-3);
  border-color: var(--border-strong);
  color: var(--text);
}

.brand {
  text-decoration: none;
}

/* ============================================================
   Hero (landing)
   ============================================================ */
.hero {
  text-align: center;
  padding: 56px 0 32px;
}

.hero h1 {
  font-size: clamp(32px, 5vw, 44px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
  background: linear-gradient(180deg, #fff 30%, #b0b6c5 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  margin-top: 12px;
  color: var(--text-2);
  font-size: 16px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  border: 1px solid var(--accent-ring);
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-bottom: 16px;
}

/* ============================================================
   Page header (app)
   ============================================================ */
.page-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin: 24px 0 24px;
}

.page-head h1 {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-head p {
  color: var(--text-2);
  font-size: 14px;
  margin-top: 2px;
}

/* ============================================================
   Cards
   ============================================================ */
.card {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.card + .card { margin-top: 16px; }

.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.card-title {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.005em;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.card-subtitle {
  font-size: 13px;
  color: var(--text-2);
  margin-top: 2px;
}

.section-title {
  margin-top: 24px;
}

.compare-panel {
  margin-bottom: 16px;
}

.compare-toggle {
  margin-bottom: 10px;
}

/* ============================================================
   Stepper (wizard nav)
   ============================================================ */
.stepper {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  background: var(--surface-1);
  border: 1px solid var(--border);
  padding: 6px;
  border-radius: 999px;
  margin-bottom: 24px;
}

.step-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 14px;
  background: transparent;
  border: 0;
  border-radius: 999px;
  color: var(--text-2);
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}

.step-btn:hover {
  background: var(--surface-2);
  color: var(--text);
}

.step-btn[data-state="active"] {
  background: var(--accent);
  color: #fff;
  font-weight: 600;
}

.step-btn[data-state="done"] {
  color: var(--success);
}

.step-btn .step-num {
  display: inline-grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border-radius: 999px;
  background: var(--surface-3);
  font-size: 11px;
  font-weight: 700;
  color: var(--text-2);
}

.step-btn[data-state="active"] .step-num {
  background: rgba(255, 255, 255, 0.18);
  color: #fff;
}

.step-btn[data-state="done"] .step-num {
  background: var(--success-soft);
  color: var(--success);
}

/* Step panels */
.step-panel { display: none; }
.step-panel[data-active="true"] { display: block; animation: fadeUp 0.25s var(--ease); }

/* ============================================================
   Forms
   ============================================================ */
.field { margin-bottom: 16px; }
.field:last-child { margin-bottom: 0; }

.field-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}

.field-label .opt {
  font-weight: 400;
  color: var(--text-3);
  font-size: 12px;
}

.field-hint {
  margin-top: 6px;
  font-size: 12px;
  color: var(--text-3);
  line-height: 1.5;
}

.input,
.select,
.textarea {
  width: 100%;
  padding: 11px 14px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
  transition: border-color 0.15s var(--ease), background 0.15s var(--ease),
              box-shadow 0.15s var(--ease);
}

.input:hover,
.select:hover,
.textarea:hover {
  border-color: var(--border-strong);
}

.input:focus,
.select:focus,
.textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--surface-3);
  box-shadow: 0 0 0 4px var(--accent-soft);
}

.input::placeholder,
.textarea::placeholder { color: var(--text-3); }

.textarea {
  min-height: 220px;
  resize: vertical;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.55;
}

.input--code {
  text-align: center;
  letter-spacing: 0.5em;
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 600;
  padding: 16px;
}

.row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}

/* Inline composers (alias / bonus / override) */
.composer {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 8px;
  margin-top: 10px;
}

.composer .input { padding: 10px 12px; font-size: 13px; }

.chip-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.chip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 13px;
}

.chip-text strong { color: var(--text); }
.chip-text { color: var(--text-2); }

.chip-actions {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.icon-btn {
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border: 0;
  border-radius: var(--radius-xs);
  background: transparent;
  color: var(--text-3);
  font-size: 14px;
  transition: background 0.15s var(--ease), color 0.15s var(--ease);
}

.icon-btn:hover { background: var(--surface-3); color: var(--text); }
.icon-btn[data-tone="danger"]:hover { color: var(--danger); }
.icon-btn[data-tone="primary"]:hover { color: var(--accent); }

.empty-line {
  padding: 14px;
  text-align: center;
  color: var(--text-3);
  font-size: 13px;
  border: 1px dashed var(--border);
  border-radius: var(--radius);
}

/* Checkbox row */
.check {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  cursor: pointer;
  user-select: none;
}

.check input {
  appearance: none;
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-xs);
  background: var(--surface-2);
  display: inline-grid;
  place-items: center;
  cursor: pointer;
  transition: background 0.15s var(--ease), border-color 0.15s var(--ease);
}

.check input:checked {
  background: var(--accent);
  border-color: var(--accent);
}

.check input:checked::after {
  content: "";
  width: 10px;
  height: 6px;
  border-left: 2px solid #fff;
  border-bottom: 2px solid #fff;
  transform: translateY(-1px) rotate(-45deg);
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  background: transparent;
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s var(--ease), color 0.15s var(--ease),
              border-color 0.15s var(--ease), transform 0.05s var(--ease);
}

.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

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

.btn--secondary {
  background: var(--surface-2);
  border-color: var(--border);
  color: var(--text);
}
.btn--secondary:hover { background: var(--surface-3); border-color: var(--border-strong); }

.btn--ghost { color: var(--text-2); }
.btn--ghost:hover { background: var(--surface-2); color: var(--text); }

.btn--success {
  background: var(--success);
  color: #052016;
}
.btn--success:hover { filter: brightness(1.05); }

.btn--block { width: 100%; }
.btn--lg { padding: 14px 18px; font-size: 14px; }
.btn--sm { padding: 7px 12px; font-size: 12px; }

.btn-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 24px;
}

.btn-row--end { justify-content: flex-end; }
.btn-row--split { justify-content: space-between; }

/* ============================================================
   Alerts
   ============================================================ */
.alert {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface-2);
  font-size: 13px;
  line-height: 1.55;
}

.alert + .alert { margin-top: 10px; }
.alert .alert-icon { font-size: 16px; line-height: 1; margin-top: 2px; }
.alert strong { color: var(--text); }

.alert--info { background: var(--info-soft); border-color: rgba(56, 189, 248, 0.3); color: #bae6fd; }
.alert--success { background: var(--success-soft); border-color: rgba(16, 185, 129, 0.3); color: #6ee7b7; }
.alert--warning { background: var(--warning-soft); border-color: rgba(245, 158, 11, 0.3); color: #fcd34d; }
.alert--danger { background: var(--danger-soft); border-color: rgba(239, 68, 68, 0.3); color: #fca5a5; }

.alert-stack { margin-top: 10px; }

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

/* ============================================================
   Disclosures (collapsibles)
   ============================================================ */
.disclosure {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface-1);
  overflow: hidden;
  transition: border-color 0.2s var(--ease);
}

.disclosure + .disclosure { margin-top: 10px; }

.disclosure[open] { border-color: var(--border-strong); }

.disclosure-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 14px 16px;
  cursor: pointer;
  user-select: none;
  list-style: none;
  font-weight: 600;
  font-size: 14px;
}
.disclosure-summary::-webkit-details-marker { display: none; }

.disclosure-summary .meta {
  font-weight: 400;
  color: var(--text-3);
  font-size: 12px;
}

.disclosure-summary::after {
  content: "›";
  color: var(--text-3);
  font-size: 18px;
  transition: transform 0.2s var(--ease);
  transform: rotate(90deg);
}

.disclosure[open] > .disclosure-summary::after {
  transform: rotate(270deg);
}

.disclosure-body {
  padding: 4px 16px 16px;
  border-top: 1px solid var(--border);
}

/* ============================================================
   Template grid (shop selection)
   ============================================================ */
.tile-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}

.tile {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 6px;
  padding: 24px 16px;
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  color: var(--text);
  cursor: pointer;
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease),
              background 0.2s var(--ease);
}

.tile:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
  background: var(--surface-2);
}

.tile[data-selected="true"] {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.tile-icon {
  font-size: 36px;
  line-height: 1;
  margin-bottom: 6px;
}

.tile-name {
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.005em;
}

.tile-desc {
  font-size: 12px;
  color: var(--text-3);
}

.tile--ghost {
  border-style: dashed;
}

/* ============================================================
   Output / monospace block
   ============================================================ */
.output {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.55;
  color: var(--text);
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 560px;
  overflow: auto;
}

.output--empty {
  text-align: center;
  color: var(--text-3);
  padding: 36px 16px;
  font-family: var(--font-sans);
  font-size: 13px;
}

/* ============================================================
   Stats grid + charts
   ============================================================ */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.stat {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px;
}

.stat-label {
  font-size: 12px;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
}

.stat-value {
  margin-top: 6px;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.stat-sub {
  margin-top: 4px;
  font-size: 12px;
  color: var(--text-3);
}

.stat--accent .stat-value { color: var(--accent); }
.stat--success .stat-value { color: var(--success); }
.stat--warning .stat-value { color: var(--warning); }
.stat--danger .stat-value { color: var(--danger); }

.delta {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 2px 6px;
  border-radius: var(--radius-xs);
  font-size: 11px;
  font-weight: 600;
  margin-left: 6px;
}

.delta--up { background: var(--success-soft); color: var(--success); }
.delta--down { background: var(--danger-soft); color: var(--danger); }
.delta--flat { background: var(--surface-3); color: var(--text-3); }

.chart-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 16px;
  margin-bottom: 16px;
}

.chart-card {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px;
}

.chart-canvas {
  position: relative;
  height: 280px;
}

/* ============================================================
   Modal
   ============================================================ */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(5, 7, 12, 0.7);
  backdrop-filter: blur(6px);
  display: none;
  align-items: flex-start;
  justify-content: center;
  z-index: 100;
  overflow-y: auto;
  padding: 32px 16px;
  animation: fadeIn 0.2s var(--ease);
}

.modal-backdrop[data-open="true"] { display: flex; }

.modal {
  position: relative;
  width: 100%;
  max-width: 520px;
  background: var(--surface-1);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-lg);
  animation: fadeUp 0.2s var(--ease);
}

.modal--lg { max-width: 880px; }

.modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 32px;
  height: 32px;
  border: 0;
  background: transparent;
  color: var(--text-3);
  font-size: 18px;
  border-radius: 8px;
}
.modal-close:hover { background: var(--surface-2); color: var(--text); }

.modal-header {
  text-align: center;
  margin-bottom: 20px;
}

.modal-icon {
  font-size: 40px;
  margin-bottom: 10px;
}

.modal-title {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.modal-subtitle {
  margin-top: 4px;
  font-size: 13px;
  color: var(--text-2);
}

/* ============================================================
   Footer + small text
   ============================================================ */
.foot {
  margin-top: 32px;
  text-align: center;
  font-size: 12px;
  color: var(--text-3);
}

.kbd {
  font-family: var(--font-mono);
  font-size: 11px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  padding: 1px 6px;
  color: var(--text-2);
}

/* ============================================================
   Toast
   ============================================================ */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--surface-3);
  border: 1px solid var(--border-strong);
  color: var(--text);
  padding: 12px 18px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s var(--ease), transform 0.2s var(--ease);
  z-index: 200;
}

.toast[data-open="true"] {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.toast--success { border-color: rgba(16, 185, 129, 0.4); }
.toast--danger { border-color: rgba(239, 68, 68, 0.4); }

/* ============================================================
   Inline status (e.g. log validation)
   ============================================================ */
.status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
  margin-top: 8px;
}

.status--ok { background: var(--success-soft); color: var(--success); }
.status--warn { background: var(--warning-soft); color: var(--warning); }
.status--err { background: var(--danger-soft); color: var(--danger); }

/* ============================================================
   Employee links list (in modal)
   ============================================================ */
.link-row {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
}

.link-row + .link-row { margin-top: 10px; }

.link-row-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.link-name {
  font-weight: 600;
  font-size: 14px;
}

.link-meta {
  margin-top: 2px;
  font-size: 12px;
  color: var(--text-3);
}

.link-url {
  margin-top: 10px;
  padding: 8px 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-3);
  word-break: break-all;
}

/* ============================================================
   Portal (employee self-service page)
   ============================================================ */
.payout-row {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
}

.payout-row + .payout-row {
  border-top: 1px solid var(--border);
}

.payout-row-label { color: var(--text-2); }

.payout-total {
  margin-top: 16px;
  padding: 32px;
  text-align: center;
  background: linear-gradient(135deg, var(--accent), #4f46e5);
  border-radius: var(--radius-lg);
  color: #fff;
  box-shadow: 0 12px 32px rgba(99, 102, 241, 0.35);
}

.payout-total-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.85);
}

.payout-total-value {
  margin-top: 6px;
  font-size: 44px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

/* ============================================================
   Animations
   ============================================================ */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-6px); }
  40%, 80% { transform: translateX(6px); }
}

.shake { animation: shake 0.4s var(--ease); }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 720px) {
  .shell { padding: 20px 16px 48px; }
  .card { padding: 18px; }

  .stepper { grid-template-columns: repeat(4, 1fr); border-radius: 16px; }
  .step-btn { padding: 12px 8px; font-size: 12px; min-height: 44px; }
  .step-btn .step-num { width: 18px; height: 18px; font-size: 10px; }

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

  .btn-row { flex-direction: column; }
  .btn-row .btn { width: 100%; }

  /* Bump small / icon controls to a thumb-friendly target on touch screens. */
  .btn--sm { padding: 10px 14px; min-height: 44px; font-size: 13px; }
  .icon-btn { width: 44px; height: 44px; }
  .modal-close { width: 44px; height: 44px; }
  .shop-pill { padding: 10px 14px; min-height: 36px; }

  .modal { padding: 22px; }
  .modal-icon { font-size: 32px; }
  .hero { padding: 40px 0 24px; }
  .page-head { flex-direction: column; align-items: stretch; }
}

/* Pointer-coarse devices (touch) get the same target sizing regardless of viewport. */
@media (pointer: coarse) {
  .icon-btn { width: 44px; height: 44px; }
  .modal-close { width: 44px; height: 44px; }
  .btn--sm { min-height: 44px; }
}

/* Scrollbar */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--surface-3); border-radius: var(--radius-xs); }
::-webkit-scrollbar-thumb:hover { background: var(--border-strong); }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}