/* ==========================================================================
   Survey Platform — design tokens & components
   Palette/typography from ui-ux-pro-max recommendation:
   navy primary, paid green accent, Inter typeface, micro-interaction motion
   ========================================================================== */

:root {
  /* Color tokens */
  --color-primary: #1E3A5F;
  --color-primary-600: #18324f;
  --color-primary-700: #11253b;
  --color-on-primary: #FFFFFF;
  --color-secondary: #2563EB;
  --color-accent: #059669;
  --color-accent-600: #047a55;
  --color-background: #F8FAFC;
  --color-surface: #FFFFFF;
  --color-foreground: #0F172A;
  --color-muted: #F1F3F5;
  --color-muted-foreground: #475569;
  --color-border: #E4E7EB;
  --color-border-strong: #CBD5E1;
  --color-destructive: #DC2626;
  --color-success: #059669;
  --color-ring: #1E3A5F;

  /* Spacing scale (4/8 rhythm) */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;

  /* Type scale */
  --fs-xs:   12px;
  --fs-sm:   14px;
  --fs-base: 16px;
  --fs-lg:   18px;
  --fs-xl:   20px;
  --fs-2xl:  24px;
  --fs-3xl:  30px;
  --fs-4xl:  36px;

  /* Radii & shadow */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;

  --shadow-sm: 0 1px 2px rgba(15, 23, 42, .04), 0 1px 3px rgba(15, 23, 42, .06);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, .06), 0 2px 4px rgba(15, 23, 42, .05);
  --shadow-lg: 0 14px 32px rgba(15, 23, 42, .10), 0 4px 10px rgba(15, 23, 42, .06);

  /* Motion */
  --ease: cubic-bezier(.2, .7, .25, 1);
  --dur-fast: 120ms;
  --dur:      180ms;
  --dur-slow: 240ms;

  --container: 1100px;
  --container-narrow: 760px;
}

/* Reset / base */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
  font-size: var(--fs-base);
  line-height: 1.55;
  color: var(--color-foreground);
  background: var(--color-background);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--color-secondary); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

h1, h2, h3, h4 { line-height: 1.2; letter-spacing: -0.01em; margin: 0 0 var(--space-3); }
h1 { font-size: var(--fs-3xl); font-weight: 700; }
h2 { font-size: var(--fs-2xl); font-weight: 600; }
h3 { font-size: var(--fs-xl); font-weight: 600; }
p  { margin: 0 0 var(--space-3); }

::selection { background: rgba(37, 99, 235, .18); }

button { font: inherit; cursor: pointer; }

:focus-visible {
  outline: 2px solid var(--color-ring);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Layout */
.app-shell { display: flex; flex-direction: column; min-height: 100dvh; }

.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky; top: 0; z-index: 30;
  backdrop-filter: saturate(140%) blur(8px);
}
.site-header__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: var(--space-4) var(--space-6);
  display: flex; align-items: center; gap: var(--space-6);
}
.site-header .brand {
  display: inline-flex; align-items: center; gap: var(--space-2);
  font-weight: 700; color: var(--color-foreground); letter-spacing: -.01em;
}
.site-header .brand:hover { text-decoration: none; }
.brand-mark {
  width: 28px; height: 28px; display: inline-grid; place-items: center;
  background: var(--color-primary); color: var(--color-on-primary);
  border-radius: var(--radius-sm); font-weight: 700; font-size: 14px;
}
.site-header nav {
  margin-left: auto; display: flex; gap: var(--space-2);
}
.nav-link {
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  color: var(--color-muted-foreground);
  font-weight: 500; font-size: var(--fs-sm);
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.nav-link:hover { color: var(--color-foreground); background: var(--color-muted); text-decoration: none; }
.nav-link[aria-current="page"] { color: var(--color-foreground); background: var(--color-muted); }

.site-main { flex: 1; padding: var(--space-10) var(--space-6) var(--space-16); }
.container { max-width: var(--container); margin: 0 auto; }
.container-narrow { max-width: var(--container-narrow); margin: 0 auto; }

.site-footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-6);
  text-align: center;
  color: var(--color-muted-foreground);
  font-size: var(--fs-sm);
  background: var(--color-surface);
}

/* Back link */
.back-link {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: var(--fs-sm);
  color: var(--color-muted-foreground);
  margin-bottom: var(--space-3);
  text-decoration: none;
  transition: color var(--dur) var(--ease), gap var(--dur) var(--ease);
}
.back-link:hover { color: var(--color-foreground); gap: 10px; text-decoration: none; }

/* Page header */
.page-header { margin-bottom: var(--space-8); }
.page-header h1 { font-size: var(--fs-4xl); margin-bottom: var(--space-2); }
.page-header__lead { color: var(--color-muted-foreground); font-size: var(--fs-lg); max-width: 60ch; }

/* Eyebrow / breadcrumb */
.eyebrow {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: .08em;
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--color-secondary);
  margin-bottom: var(--space-2);
}

/* Cards */
.card-grid {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}
.card {
  display: flex; flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  text-decoration: none;
  color: inherit;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
  box-shadow: var(--shadow-sm);
  position: relative;
}
.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-border-strong);
  text-decoration: none;
}
.card:active { transform: translateY(0); }
.card__title {
  font-size: var(--fs-lg); font-weight: 600;
  margin: 0 0 var(--space-2);
  color: var(--color-foreground);
}
.card__desc {
  color: var(--color-muted-foreground);
  font-size: var(--fs-sm);
  margin: 0 0 var(--space-4);
  flex: 1;
}
.card__meta {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: auto;
  font-size: var(--fs-sm);
  color: var(--color-muted-foreground);
}
.card__cta {
  color: var(--color-secondary); font-weight: 600;
  display: inline-flex; align-items: center; gap: 4px;
}
.card__cta::after { content: "→"; transition: transform var(--dur) var(--ease); }
.card:hover .card__cta::after { transform: translateX(3px); }

.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--color-muted);
  color: var(--color-muted-foreground);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: .01em;
}
.badge--accent { background: rgba(5, 150, 105, .12); color: var(--color-accent-600); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  font-weight: 600;
  font-size: var(--fs-sm);
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  background: var(--color-muted);
  color: var(--color-foreground);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease),
              border-color var(--dur) var(--ease), transform var(--dur-fast) var(--ease),
              box-shadow var(--dur) var(--ease);
  text-decoration: none;
}
.btn:hover { background: var(--color-border); text-decoration: none; }
.btn:active { transform: translateY(1px); }

.btn--primary {
  background: var(--color-primary);
  color: var(--color-on-primary);
  box-shadow: var(--shadow-sm);
}
.btn--primary:hover { background: var(--color-primary-600); }

.btn--accent {
  background: var(--color-accent);
  color: var(--color-on-primary);
  box-shadow: var(--shadow-sm);
}
.btn--accent:hover { background: var(--color-accent-600); }

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

.btn:disabled { opacity: .55; cursor: not-allowed; }

/* Empty state */
.empty {
  border: 1px dashed var(--color-border-strong);
  border-radius: var(--radius-lg);
  padding: var(--space-10) var(--space-6);
  text-align: center;
  color: var(--color-muted-foreground);
  background: var(--color-surface);
}
.empty h3 { color: var(--color-foreground); margin-bottom: var(--space-2); }

/* Loading state */
.loading {
  padding: var(--space-10);
  text-align: center;
  color: var(--color-muted-foreground);
}
.spinner {
  display: inline-block;
  width: 18px; height: 18px;
  border: 2px solid var(--color-border-strong);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 700ms linear infinite;
  vertical-align: middle;
  margin-right: var(--space-2);
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Survey runner */
.survey-shell {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-sm);
}

/* Media blocks (used inside SurveyJS html questions) */
.media-frame {
  background: #0B1220;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  margin: 0 0 var(--space-3);
}
.media-frame video,
.media-frame audio {
  display: block;
  width: 100%;
}
.media-frame--audio {
  background: var(--color-muted);
  padding: var(--space-5);
}
.media-frame--audio audio { width: 100%; }
.media-caption {
  margin: var(--space-2) 0 0;
  font-size: var(--fs-sm);
  color: var(--color-muted-foreground);
}

/* Custom HTML widget styles */
.widget-frame {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  background: var(--color-muted);
  text-align: center;
}
.widget-counter { display: inline-flex; align-items: center; gap: var(--space-3); }
.widget-btn {
  width: 44px; height: 44px;
  border-radius: 999px;
  border: 1px solid var(--color-border-strong);
  background: var(--color-surface);
  color: var(--color-foreground);
  font-size: var(--fs-xl);
  font-weight: 600;
  transition: background var(--dur) var(--ease), transform var(--dur-fast) var(--ease);
}
.widget-btn:hover { background: var(--color-border); }
.widget-btn:active { transform: scale(.96); }
.widget-val {
  font-size: var(--fs-3xl);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  min-width: 64px;
  display: inline-block;
}

/* Admin / results table */
.results-grid { display: grid; gap: var(--space-4); }
.result-row {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--dur) var(--ease);
}
.result-row:hover { border-color: var(--color-border-strong); }

.result-row__head {
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--space-3) var(--space-5);
  background: var(--color-muted);
  font-size: var(--fs-sm);
  color: var(--color-muted-foreground);
  cursor: pointer;
  user-select: none;
  border: none;
  width: 100%;
  font: inherit;
  text-align: left;
}
.result-row__head:hover { background: #E2E8F0; }
.result-row__id { font-weight: 600; color: var(--color-foreground); }
.result-row__time { font-variant-numeric: tabular-nums; }
.result-row__chev {
  transition: transform var(--dur) var(--ease);
  color: var(--color-muted-foreground);
}
.result-row[open] .result-row__chev { transform: rotate(180deg); }

.result-row__body {
  padding: var(--space-5);
  border-top: 1px solid var(--color-border);
  display: none;
}
.result-row[open] .result-row__body { display: block; }

.kv {
  display: grid; grid-template-columns: 200px 1fr;
  gap: var(--space-2) var(--space-4);
  font-size: var(--fs-sm);
}
.kv dt { color: var(--color-muted-foreground); font-weight: 500; }
.kv dd { margin: 0; color: var(--color-foreground); word-break: break-word; }
.kv dd pre {
  background: var(--color-muted);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  margin: 0;
  font-size: var(--fs-xs);
  overflow-x: auto;
}

/* Stats strip */
.stats {
  display: flex; flex-wrap: wrap; gap: var(--space-3);
  margin: 0 0 var(--space-6);
}
.stat {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-5);
  min-width: 140px;
}
.stat__label {
  font-size: var(--fs-xs);
  color: var(--color-muted-foreground);
  text-transform: uppercase;
  letter-spacing: .06em;
  font-weight: 600;
}
.stat__value {
  font-size: var(--fs-2xl);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

/* Toolbar */
.toolbar {
  display: flex; align-items: center; gap: var(--space-3);
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
}
.toolbar select, .toolbar input {
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  font: inherit;
  color: var(--color-foreground);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.toolbar select:focus, .toolbar input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(30, 58, 95, .14);
}

/* SurveyJS theme overrides — make defaults match our system without forking the lib */
.sd-root-modern {
  --sjs-general-backcolor: var(--color-surface);
  --sjs-primary-backcolor: var(--color-primary);
  --sjs-primary-backcolor-light: rgba(30, 58, 95, .08);
  --sjs-primary-forecolor: var(--color-on-primary);
  --sjs-secondary-backcolor: var(--color-secondary);
  --sjs-corner-radius: 10px;
  --sjs-base-unit: 8px;
  font-family: 'Inter', system-ui, sans-serif;
}
.sd-root-modern .sd-container-modern {
  background: var(--color-surface);
}
.sd-root-modern .sd-btn--action,
.sd-root-modern .sd-navigation__complete-btn {
  background: var(--color-accent);
  color: #fff;
  border: none;
}
.sd-root-modern .sd-btn--action:hover,
.sd-root-modern .sd-navigation__complete-btn:hover {
  background: var(--color-accent-600);
}
.sd-root-modern .sd-progress__bar {
  background: var(--color-primary);
}

/* Form section (Add / Edit survey page) */
.form-section {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  display: flex; flex-direction: column;
  gap: var(--space-5);
}
.field { display: flex; flex-direction: column; gap: 6px; }
.field__head {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--space-2);
}
.field__label {
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--color-muted-foreground);
}
.field input,
.field textarea {
  padding: var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  font: inherit;
  color: var(--color-foreground);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(30, 58, 95, .14);
}
.field input[readonly] { background: var(--color-muted); cursor: not-allowed; }
.field textarea {
  font-family: 'SFMono-Regular', ui-monospace, Menlo, Monaco, Consolas, monospace;
  font-size: 13px;
  line-height: 1.5;
  resize: vertical;
  min-height: 320px;
}
.field__help {
  font-size: var(--fs-xs);
  color: var(--color-muted-foreground);
}

.form-actions {
  display: flex; justify-content: flex-end; gap: var(--space-2);
  flex-wrap: wrap;
}

.btn--xs {
  padding: 4px 10px;
  font-size: var(--fs-xs);
}

.save-status {
  margin: 0;
  padding: var(--space-3);
  font-size: var(--fs-sm);
  border-radius: var(--radius-md);
  border: 1px solid transparent;
}
.save-status:empty { display: none; }
.save-status--pending { background: var(--color-muted); color: var(--color-muted-foreground); }
.save-status--ok      { background: rgba(5, 150, 105, .12);  color: var(--color-accent-600); border-color: rgba(5, 150, 105, .30); }
.save-status--error   { background: rgba(220, 38, 38, .10);  color: var(--color-destructive); border-color: rgba(220, 38, 38, .30); }

/* How-to disclosure */
.howto {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  margin-bottom: var(--space-5);
  overflow: hidden;
}
.howto__summary {
  list-style: none;
  cursor: pointer;
  padding: var(--space-3) var(--space-5);
  font-weight: 600;
  font-size: var(--fs-sm);
  color: var(--color-foreground);
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--space-2);
}
.howto__summary::-webkit-details-marker { display: none; }
.howto__summary::after {
  content: "▾";
  color: var(--color-muted-foreground);
  transition: transform var(--dur) var(--ease);
}
.howto[open] .howto__summary::after { transform: rotate(180deg); }
.howto__steps {
  margin: 0;
  padding: 0 var(--space-5) var(--space-3) calc(var(--space-5) + 18px);
  font-size: var(--fs-sm);
  color: var(--color-foreground);
}
.howto__steps li { margin-bottom: 6px; }
.howto__hint {
  margin: 0;
  padding: var(--space-3) var(--space-5) var(--space-4);
  font-size: var(--fs-sm);
  color: var(--color-muted-foreground);
  border-top: 1px solid var(--color-border);
  background: var(--color-muted);
}

/* Toast (success indicator on home redirect) */
.toast {
  position: fixed;
  left: 50%; bottom: var(--space-6);
  transform: translateX(-50%);
  background: var(--color-foreground);
  color: var(--color-on-primary);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  font-size: var(--fs-sm);
  display: flex; align-items: center; gap: var(--space-2);
  z-index: 100;
  animation: toast-in 220ms var(--ease);
}
.toast--ok::before    { content: "✓"; color: var(--color-accent); font-weight: 700; }
.toast--error::before { content: "!"; color: var(--color-destructive); font-weight: 700; }
@keyframes toast-in {
  from { opacity: 0; transform: translate(-50%, 8px); }
  to   { opacity: 1; transform: translate(-50%, 0); }
}

/* Card actions (Edit / Delete pencils on the survey list).
   Actions sit OUTSIDE the .card anchor — nested <a> is invalid HTML.
   .card-wrap is the positioning context. */
.card-wrap { position: relative; display: flex; }
.card-wrap > .card { width: 100%; }
.card__actions {
  position: absolute;
  top: var(--space-4); right: var(--space-4);
  display: flex; gap: 6px;
  opacity: 0;
  transition: opacity var(--dur) var(--ease);
  z-index: 1;
}
.card-wrap:hover .card__actions,
.card-wrap:focus-within .card__actions { opacity: 1; }
.card__action {
  border: none;
  background: var(--color-surface);
  color: var(--color-muted-foreground);
  width: 32px; height: 32px;
  border-radius: var(--radius-sm);
  display: inline-flex; align-items: center; justify-content: center;
  cursor: pointer;
  text-decoration: none;
  font-size: var(--fs-sm);
  box-shadow: var(--shadow-sm);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), transform var(--dur-fast) var(--ease);
}
.card__action:hover {
  background: var(--color-primary);
  color: var(--color-on-primary);
  text-decoration: none;
}
.card__action--danger:hover { background: var(--color-destructive); }
.card__action:active { transform: scale(.95); }

/* "New survey" CTA card */
.card--new {
  display: flex; align-items: center; justify-content: center;
  text-align: center;
  border-style: dashed;
  background: transparent;
  color: var(--color-muted-foreground);
  min-height: 168px;
}
.card--new:hover { color: var(--color-foreground); }
.card--new .card__title { color: var(--color-foreground); margin: 0 0 var(--space-1); }

/* Archived surveys section (admin) */
.archived-section {
  margin-top: var(--space-10);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  overflow: hidden;
}
.archived-section__summary {
  list-style: none;
  cursor: pointer;
  padding: var(--space-4) var(--space-5);
  font-weight: 600;
  font-size: var(--fs-base);
  color: var(--color-foreground);
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--space-2);
  background: var(--color-muted);
  border-bottom: 1px solid var(--color-border);
}
.archived-section__summary::-webkit-details-marker { display: none; }
.archived-section__summary::after {
  content: "▾";
  color: var(--color-muted-foreground);
  transition: transform var(--dur) var(--ease);
  margin-left: auto;
}
.archived-section[open] .archived-section__summary::after { transform: rotate(180deg); }
.archived-section[open] .archived-section__summary { border-bottom: 1px solid var(--color-border); }
.archived-section__count {
  font-size: var(--fs-sm);
  color: var(--color-muted-foreground);
  font-weight: 500;
}
.archived-section__lead {
  margin: 0;
  padding: var(--space-4) var(--space-5);
  color: var(--color-muted-foreground);
  font-size: var(--fs-sm);
  border-bottom: 1px solid var(--color-border);
}
#archived-list { padding: var(--space-4) var(--space-5); }

.archived-empty {
  margin: 0;
  padding: var(--space-6);
  text-align: center;
  color: var(--color-muted-foreground);
  font-size: var(--fs-sm);
}
.archived-meta {
  color: var(--color-muted-foreground);
  font-weight: 400;
  font-size: var(--fs-sm);
}
.archived-actions {
  display: inline-flex; align-items: center; gap: var(--space-2);
  flex-wrap: wrap;
}

.results-grid.nested {
  margin-top: var(--space-3);
  gap: var(--space-2);
}

/* Dropzone (media upload) */
.dropzone {
  border: 2px dashed var(--color-border-strong);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  padding: var(--space-8) var(--space-6);
  text-align: center;
  margin-bottom: var(--space-5);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.dropzone--hot {
  border-color: var(--color-primary);
  background: rgba(30, 58, 95, .04);
}
.dropzone__hint { margin: 0 0 var(--space-2); font-size: var(--fs-base); }
.dropzone__sub  { margin: 0; color: var(--color-muted-foreground); font-size: var(--fs-sm); }

.upload-progress {
  list-style: none;
  margin: 0 0 var(--space-5);
  padding: 0;
  display: flex; flex-direction: column;
  gap: var(--space-2);
}
.up-progress__row {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
}
.up-progress__row[data-state="error"] {
  border-color: rgba(220, 38, 38, .35);
  background: rgba(220, 38, 38, .05);
}
.up-progress__head {
  display: flex; justify-content: space-between; align-items: center;
  font-size: var(--fs-sm);
  margin-bottom: 6px;
  gap: var(--space-2);
}
.up-progress__name { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.up-progress__msg  { color: var(--color-muted-foreground); font-variant-numeric: tabular-nums; }
.up-progress__row[data-state="done"]  .up-progress__msg { color: var(--color-accent-600); font-weight: 600; }
.up-progress__row[data-state="error"] .up-progress__msg { color: var(--color-destructive); font-weight: 600; }
.up-progress__bar {
  height: 6px;
  background: var(--color-muted);
  border-radius: 999px;
  overflow: hidden;
}
.up-progress__fill {
  height: 100%;
  background: var(--color-primary);
  transition: width 120ms linear;
}
.up-progress__row[data-state="done"]  .up-progress__fill { background: var(--color-accent); }
.up-progress__row[data-state="error"] .up-progress__fill { background: var(--color-destructive); }

/* Media toolbar (filter) */
.media-toolbar {
  display: flex; align-items: center; gap: var(--space-3);
  margin-bottom: var(--space-5);
}
.media-toolbar input[type="search"] {
  width: 100%;
  padding: var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  font: inherit;
  color: var(--color-foreground);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.media-toolbar input[type="search"]:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(30, 58, 95, .14);
}
.media-toolbar__count {
  font-size: var(--fs-sm);
  color: var(--color-muted-foreground);
  font-variant-numeric: tabular-nums;
  min-width: 80px;
  text-align: right;
}

/* Media library */
.media-grid {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}
.media-tile {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex; flex-direction: column;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
  box-shadow: var(--shadow-sm);
}
.media-tile:hover {
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-md);
}
.media-tile__preview {
  background: #0B1220;
  aspect-ratio: 16 / 10;
  display: grid;
  place-items: center;
  overflow: hidden;
}
.media-tile__preview img,
.media-tile__preview video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.media-tile__preview[data-mime^="audio/"] {
  background: linear-gradient(135deg, #1E3A5F 0%, #2563EB 100%);
}
.media-tile__audio {
  display: flex; flex-direction: column; align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  width: 100%;
}
.media-tile__audio audio { width: 100%; }
.media-tile__icon {
  font-size: 48px;
  color: rgba(255, 255, 255, .8);
}
.media-tile__icon-frame {
  background: var(--color-muted);
  width: 100%; height: 100%;
  display: grid; place-items: center;
}
.media-tile__ext {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 22px;
  font-weight: 700;
  color: var(--color-muted-foreground);
  letter-spacing: .04em;
}
.media-tile__body {
  padding: var(--space-4);
  display: flex; flex-direction: column;
  gap: var(--space-3);
  min-width: 0;
}
.media-tile__name {
  font-size: var(--fs-base);
  font-weight: 600;
  margin: 0;
  word-break: break-all;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.media-tile__meta {
  margin: 0;
  display: flex; flex-wrap: wrap; gap: 6px;
  font-size: var(--fs-xs);
  color: var(--color-muted-foreground);
  font-variant-numeric: tabular-nums;
}
.media-tile__actions {
  display: flex; gap: var(--space-2);
  margin-top: auto;
}
.btn--success { background: var(--color-accent) !important; color: var(--color-on-primary) !important; }
.btn--danger { color: var(--color-destructive); }
.btn--danger:hover { background: rgba(220, 38, 38, .10); }

/* Auth — login page */
.login-body {
  background: linear-gradient(180deg, var(--color-background) 0%, #E2E8F0 100%);
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: var(--space-6);
}
.login-card {
  width: 100%;
  max-width: 420px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-lg);
  display: flex; flex-direction: column;
  gap: var(--space-4);
}
.login-card__brand {
  display: inline-flex; align-items: center; gap: var(--space-2);
  font-weight: 700; letter-spacing: -.01em;
  color: var(--color-foreground);
  margin-bottom: var(--space-2);
  text-decoration: none;
}
.login-card__brand:hover { text-decoration: none; }
.login-card__title { margin: 0; font-size: var(--fs-2xl); }
.login-card__lead  { margin: 0; color: var(--color-muted-foreground); font-size: var(--fs-sm); }
.login-card__form {
  display: flex; flex-direction: column;
  gap: var(--space-4);
  margin-top: var(--space-2);
}
.login-card__form .btn { justify-content: center; }
.login-card__hint {
  margin: 0;
  font-size: var(--fs-xs);
  color: var(--color-muted-foreground);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-3);
}
.login-card__hint code {
  background: var(--color-muted);
  padding: 1px 5px;
  border-radius: 4px;
  font-size: 12px;
}

/* Nav: signed-in user block + role badges */
.nav-user {
  display: inline-flex; align-items: center; gap: var(--space-2);
  margin-left: var(--space-3);
  padding-left: var(--space-3);
  border-left: 1px solid var(--color-border);
}
.nav-user__name {
  font-weight: 600;
  color: var(--color-foreground);
  font-size: var(--fs-sm);
  max-width: 140px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.nav-user__logout {
  border: none;
  background: transparent;
  color: var(--color-muted-foreground);
  font-weight: 500;
  font-size: var(--fs-sm);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.nav-user__logout:hover { color: var(--color-foreground); background: var(--color-muted); }

.badge--root {
  background: var(--color-primary);
  color: var(--color-on-primary);
  letter-spacing: .04em;
}
.badge--owner {
  background: rgba(37, 99, 235, .12);
  color: var(--color-secondary);
}

@media (max-width: 640px) {
  .nav-user { margin-left: 0; padding-left: 0; border-left: none; }
  .nav-user__name { max-width: 90px; }
}

/* Admins page — table + modals */
.admin-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  font-size: var(--fs-sm);
}
.admin-table th, .admin-table td {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  vertical-align: middle;
  border-bottom: 1px solid var(--color-border);
}
.admin-table th {
  background: var(--color-muted);
  color: var(--color-muted-foreground);
  text-transform: uppercase;
  letter-spacing: .04em;
  font-size: var(--fs-xs);
  font-weight: 600;
}
.admin-table tbody tr:last-child td { border-bottom: 0; }
.admin-table .num {
  font-variant-numeric: tabular-nums;
  color: var(--color-muted-foreground);
}
.admin-table__actions { text-align: right; }
.admin-table__actions .btn { margin-left: var(--space-2); }

/* Modal */
.modal {
  border: none;
  border-radius: var(--radius-xl);
  padding: 0;
  max-width: 480px;
  width: calc(100% - var(--space-8));
  background: var(--color-surface);
  box-shadow: var(--shadow-lg);
}
.modal::backdrop {
  background: rgba(15, 23, 42, .45);
  backdrop-filter: blur(2px);
}
.modal__form {
  padding: var(--space-6);
  display: flex; flex-direction: column;
  gap: var(--space-4);
}
.modal__form h2 { margin: 0; font-size: var(--fs-xl); }
.modal__lead {
  margin: 0;
  color: var(--color-muted-foreground);
  font-size: var(--fs-sm);
}
.modal__actions {
  display: flex; justify-content: flex-end; gap: var(--space-2);
  margin-top: var(--space-2);
}

.modal--danger .modal__form h2 { color: var(--color-destructive); }
.modal--danger .btn--accent { background: var(--color-destructive); }
.modal--danger .btn--accent:hover { background: #b91c1c; }

.action-picker {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-2);
  margin: 0;
  display: flex; flex-direction: column;
  gap: var(--space-2);
}
.action-option {
  display: flex; gap: var(--space-3);
  padding: var(--space-3);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--dur) var(--ease);
}
.action-option:hover { background: var(--color-muted); }
.action-option input[type="radio"] {
  margin-top: 4px;
  accent-color: var(--color-primary);
  flex-shrink: 0;
}
.action-option strong { display: block; font-size: var(--fs-sm); }
.action-option small {
  display: block;
  color: var(--color-muted-foreground);
  font-size: var(--fs-xs);
  margin-top: 2px;
  line-height: 1.5;
}
.action-option code {
  background: var(--color-muted);
  padding: 1px 4px;
  border-radius: 3px;
  font-size: 11px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    transition-duration: .001ms !important;
  }
}

/* Small screens */
@media (max-width: 600px) {
  .site-header__inner { padding: var(--space-3) var(--space-4); }
  .site-main { padding: var(--space-6) var(--space-4) var(--space-12); }
  .page-header h1 { font-size: var(--fs-3xl); }
  .survey-shell { padding: var(--space-4); border-radius: var(--radius-lg); }
  .kv { grid-template-columns: 1fr; gap: var(--space-1); }
  .kv dt { margin-top: var(--space-2); }
}