/*
 * This is a manifest file that'll be compiled into application.css.
 *
 * With Propshaft, assets are served efficiently without preprocessing steps. You can still include
 * application-wide styles in this file, but keep in mind that CSS precedence will follow the standard
 * cascading order, meaning styles declared later in the document or manifest will override earlier ones,
 * depending on specificity.
 *
 * Consider organizing styles into separate files for maintainability.
 */

:root {
  /* --- palette ---------------------------------------------------------
   * Navy is the institution, amber is the signal, red is only ever a
   * warning. See DESIGN.md > Colors.
   */
  --color-navy: #172638;
  --color-navy-deep: #0e1a28;
  --color-navy-soft: #dce7f0;
  --color-navy-line: rgb(255 255 255 / 10%);
  --color-signal: #f3a712;
  --color-signal-shadow: #d6910a;
  --color-signal-lift: #ffc352;
  --color-ink: #1c1e21;
  --color-ink-soft: #5f6368;
  --color-paper: #ffffff;
  --color-canvas: #f3f5f7;
  --color-line: #e3e5e8;
  --color-line-strong: #cbd0d6;
  --color-danger: #a4231a;
  --color-danger-bg: #fdecea;
  --color-danger-line: #f5c6c0;
  --color-success: #17633c;
  --color-success-bg: #e7f5ed;
  --color-success-line: #b8dec7;

  /* --- type ------------------------------------------------------------ */
  --font-display: Archivo, "Helvetica Neue", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "Martian Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --tracking-display: -0.02em;
  --tracking-label: 0.1em;
  --text-2xs: 0.75rem;
  --text-xs: 0.8125rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-md: 1.125rem;
  --text-lg: 1.375rem;
  --text-xl: 1.75rem;

  /* --- space ------------------------------------------------------------ */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;

  /* --- shape ------------------------------------------------------------ */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-card: 0.875rem;
  --radius-full: 999px;

  /* --- depth: flat at rest; shadow answers state ------------------------ */
  --elevation-0: none;
  --elevation-1: 0 1px 2px rgb(23 38 56 / 6%);
  --elevation-2: 0 3px 12px rgb(23 38 56 / 8%);
  --elevation-3: 0 10px 28px rgb(23 38 56 / 14%);
  --elevation-board: 0 24px 60px rgb(8 14 24 / 45%), 0 2px 4px rgb(8 14 24 / 30%);

  /* --- motion ----------------------------------------------------------- */
  --duration-fast: 150ms;
  --duration-base: 200ms;
  --ease-standard: cubic-bezier(0.2, 0, 0, 1);

  /* --- focus ------------------------------------------------------------ */
  --focus-ring: 2px solid var(--color-navy);
  --focus-ring-offset: 2px;
  --focus-ring-on-primary: 2px solid var(--color-paper);
  --focus-ring-on-primary-halo: 0 0 0 4px rgb(23 38 56 / 30%);
  --focus-ring-on-dark: 2px solid var(--color-signal);
}

* {
  box-sizing: border-box;
}

/* Turbo positions this outside document flow, so feedback never moves content. */
.turbo-progress-bar {
  height: 4px;
  background: var(--color-signal);
  min-width: 10%;
}

@media (prefers-reduced-motion: reduce) {
  .turbo-progress-bar {
    /* Keep a static signal while waiting; Turbo still removes it on completion. */
    width: 100% !important;
    transition: none;
  }
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

html {
  scrollbar-gutter: stable;
}

body {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 500;
  color: var(--color-ink);
  background: var(--color-canvas);
  line-height: 1.5;
}

/* Browser surfaces the design system owns rather than inherits. */
::selection {
  background: var(--color-signal);
  color: var(--color-navy);
}

input {
  caret-color: var(--color-navy);
}

/* In-page anchor navigation, scoped to the landing page so the authenticated
 * workspace and auth pages keep their default scroll behavior. `scroll-padding-top`
 * keeps an anchored section clear of the viewport edge; landing sections also
 * carry `scroll-margin-top`. */
html:has(.landing) {
  scroll-behavior: smooth;
  scroll-padding-top: 1.5rem;
}

/* --- auth pages --------------------------------------------------------- */

.auth-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2rem 1rem;
}

.auth-card {
  width: 100%;
  max-width: 24rem;
  background: var(--color-paper);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: 2rem;
}

.auth-card h1 {
  margin: 0 0 0.25rem;
  font-size: 1.5rem;
  line-height: 1.2;
}

.auth-lede {
  margin: 0 0 1.5rem;
  color: var(--color-ink-soft);
}

.auth-form {
  display: grid;
  gap: 1rem;
}

.form-field {
  display: grid;
  gap: 0.375rem;
}

.form-field label {
  color: var(--color-ink-soft);
  font-size: var(--text-2xs);
  font-weight: 700;
}

.form-field input {
  width: 100%;
  padding: 0.5rem 0.625rem;
  font-size: 1rem;
  border: 1px solid var(--color-line-strong);
  border-radius: var(--radius-sm);
  background: var(--color-paper);
  color: var(--color-ink);
}

.form-field input:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-ring-offset);
  border-color: transparent;
}

.field-hint {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--color-ink-soft);
}

.form-error {
  background: var(--color-danger-bg);
  border: 1px solid var(--color-danger-line);
  color: var(--color-danger);
  border-radius: var(--radius-md);
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
}

.auth-switch {
  margin: 1.5rem 0 0;
  font-size: 0.875rem;
  color: var(--color-ink-soft);
}

/* --- buttons ------------------------------------------------------------ */

.button {
  font: inherit;
  font-weight: 600;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
}

.button:disabled {
  opacity: 0.6;
  cursor: default;
}

.button-primary {
  background: var(--color-navy);
  color: var(--color-paper);
}

.button-primary:hover {
  background: var(--color-navy-deep);
}

.button-quiet {
  background: transparent;
  border-color: var(--color-line);
  color: var(--color-ink);
}

.button-quiet:hover {
  border-color: var(--color-line-strong);
}

.button-danger {
  background: var(--color-danger);
  color: var(--color-paper);
}

.button-danger:hover {
  background: #86190f;
}

.button-danger:focus-visible {
  outline: var(--focus-ring-on-primary);
  outline-offset: var(--focus-ring-offset);
  box-shadow: var(--focus-ring-on-primary-halo);
}

/* --- app shell ---------------------------------------------------------- */

.app-page {
  --shell: min(100% - 3rem, 72rem);

  display: flex;
  min-height: 100vh;
  flex-direction: column;
}

.app-topbar {
  border-bottom: 1px solid var(--color-navy-line);
  background: var(--color-navy);
  color: var(--color-paper);
}

.app-topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  width: var(--shell);
  margin: 0 auto;
  padding: var(--space-4) 0;
}

.app-topbar .button-quiet {
  border-color: rgb(255 255 255 / 24%);
  color: var(--color-paper);
}

.app-topbar .button-quiet:hover {
  border-color: var(--color-paper);
  background: rgb(255 255 255 / 8%);
}

.app-topbar a:focus-visible,
.app-topbar .button:focus-visible {
  outline: var(--focus-ring-on-dark);
  outline-offset: 2px;
  box-shadow: none;
}

.app-main {
  flex: 1;
  width: var(--shell);
  margin: 0 auto;
  padding: var(--space-10) 0 4rem;
}

.brand-lockup {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--color-navy);
  letter-spacing: -0.02em;
  text-decoration: none;
}

/* Inverted on any navy field: the landing hero band and the app topbar. */
.landing-band .brand-lockup,
.app-topbar .brand-lockup {
  color: var(--color-paper);
}

.landing-band .brand-mark,
.app-topbar .brand-mark {
  background: var(--color-paper);
  color: var(--color-navy);
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: 0.55rem;
  color: var(--color-paper);
  background: var(--color-navy);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: -0.05em;
}

.app-account {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.app-account-email {
  overflow: hidden;
  max-width: 18rem;
  color: rgb(255 255 255 / 62%);
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.settings-layout {
  display: grid;
  gap: var(--space-6);
  max-width: 42rem;
}

.settings-intro h1 {
  margin: 0;
  color: var(--color-navy);
  font-size: var(--text-xl);
  letter-spacing: -0.035em;
}

.settings-lede {
  max-width: 52ch;
  margin: var(--space-2) 0 0;
  color: var(--color-ink-soft);
}

.settings-card {
  padding: var(--space-6);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  background: var(--color-paper);
  box-shadow: var(--elevation-1);
}

.settings-card h2 {
  margin: 0;
  color: var(--color-navy);
  font-size: var(--text-md);
  letter-spacing: -0.02em;
}

.settings-card > p {
  max-width: 56ch;
  margin: var(--space-2) 0 0;
  color: var(--color-ink-soft);
  font-size: var(--text-sm);
}

.settings-card.is-danger {
  border-color: var(--color-danger-line);
  background: var(--color-danger-bg);
  box-shadow: var(--elevation-0);
}

.settings-card.is-danger h2 {
  color: var(--color-danger);
}

.settings-form {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-5);
}

.settings-form .form-field input {
  max-width: 22rem;
}

.settings-actions {
  display: flex;
  gap: var(--space-3);
}

.queue-app {
  position: relative;
}

.queue-layout {
  display: grid;
  grid-template-columns: 14rem minmax(0, 1fr);
  gap: var(--space-10);
  align-items: start;
}

.queue-rail {
  min-width: 0;
  padding-top: var(--space-2);
}

.section-heading,
.queue-title-line,
.list-heading,
.history-actions,
.capture-row,
.inline-form {
  display: flex;
  align-items: center;
}

.section-heading,
.queue-title-line,
.list-heading,
.history-actions {
  justify-content: space-between;
}

.section-label {
  margin: 0 0 var(--space-1);
  color: var(--color-ink-soft);
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  font-weight: 700;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
}

.section-heading h2,
.queue-view-header h2,
.queue-empty-shell h2 {
  margin: 0;
  color: var(--color-navy);
  letter-spacing: -0.035em;
}

.section-heading h2 {
  font-size: var(--text-lg);
}

.screen-title {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.queue-total,
.active-count,
.history-count {
  color: var(--color-ink-soft);
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  font-variant-numeric: tabular-nums;
}

.queue-nav {
  display: grid;
  gap: var(--space-1);
  margin: var(--space-5) 0 var(--space-8);
}

.queue-nav-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  width: 100%;
  padding: var(--space-3);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--color-ink-soft);
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.queue-nav-item:hover,
.queue-nav-item.is-selected {
  border-color: var(--color-line);
  background: var(--color-paper);
  color: var(--color-navy);
}

.queue-nav-item.is-selected {
  box-shadow: 0 3px 12px rgb(23 38 56 / 7%);
  font-weight: 700;
}

.queue-nav-item strong {
  min-width: var(--space-5);
  color: var(--color-ink-soft);
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  font-variant-numeric: tabular-nums;
  font-weight: 400;
  text-align: right;
}

.new-queue-form {
  display: grid;
  gap: var(--space-2);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-line);
}

.new-queue-form label,
.capture-bar label,
.list-heading h3 {
  margin: 0;
  color: var(--color-ink-soft);
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  font-weight: 700;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
}

.inline-form {
  gap: var(--space-1);
}

.inline-form input,
.capture-bar input {
  min-width: 0;
  width: 100%;
  padding: var(--space-3) var(--space-2);
  border: 1px solid var(--color-line-strong);
  border-radius: var(--radius-sm);
  color: var(--color-ink);
  background: var(--color-paper);
  font: inherit;
}

.inline-form input:focus-visible,
.capture-bar input:focus-visible {
  outline: 2px solid var(--color-navy);
  outline-offset: 1px;
  border-color: transparent;
}

.icon-button {
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  width: var(--space-8);
  height: var(--space-8);
  padding: 0;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-paper);
  color: var(--color-ink-soft);
  cursor: pointer;
}

.icon-button:hover:not(:disabled) {
  border-color: var(--color-navy);
  color: var(--color-navy);
}

.icon-button svg {
  width: 1rem;
  height: 1rem;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.5;
}

.button-quiet:focus-visible,
.icon-button:focus-visible,
.queue-nav-item:focus-visible,
.text-button:focus-visible,
.app-page a:focus-visible,
.history-panel summary:focus-visible,
.inline-form input:focus-visible,
.capture-bar input:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-ring-offset);
}

.button-primary:focus-visible {
  outline: var(--focus-ring-on-primary);
  outline-offset: var(--focus-ring-offset);
  box-shadow: var(--focus-ring-on-primary-halo);
}

.button-primary:active,
.button-quiet:active,
.icon-button:active,
.queue-nav-item:active,
.text-button:active,
.app-page a:active,
.history-panel summary:active {
  transform: scale(0.96);
  transition: transform var(--duration-fast) var(--ease-standard);
}

.icon-button.danger:hover:not(:disabled) {
  border-color: var(--color-danger);
  color: var(--color-danger);
}

.icon-button:disabled,
.button:disabled {
  opacity: 0.35;
  cursor: default;
}

.queue-content {
  position: relative;
  min-width: 0;
}

.queue-view-header {
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--color-line);
}

.queue-view-header h2 {
  font-size: var(--text-xl);
}

.active-count {
  margin-left: var(--space-3);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-full);
  background: var(--color-navy-soft);
  color: var(--color-navy);
  font-weight: 700;
}

.queue-title-line {
  justify-content: flex-start;
}

/* The primary action gets a surface of its own rather than a corner. */
.capture-bar {
  display: grid;
  gap: var(--space-2);
  margin-top: var(--space-6);
  padding: var(--space-4);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  background: var(--color-paper);
  box-shadow: var(--elevation-1);
}

.capture-row {
  gap: var(--space-2);
}

.capture-row .button {
  white-space: nowrap;
}

.capture-reload {
  justify-self: start;
  padding-inline: 0;
}

.queue-feedback {
  position: fixed;
  right: var(--space-6);
  bottom: var(--space-6);
  z-index: 20;
  max-width: min(22rem, calc(100vw - 3rem));
  margin: 0;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-paper);
  color: var(--color-ink-soft);
  font-size: var(--text-sm);
  transform: translateY(-6px);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-base) var(--ease-standard), transform var(--duration-base) var(--ease-standard);
  box-shadow: var(--elevation-3);
}

.queue-feedback:not([hidden]) {
  transform: translateY(0);
  opacity: 1;
}

.queue-feedback[data-tone="success"] {
  border-color: var(--color-success-line);
  background: var(--color-success-bg);
  color: var(--color-success);
}

.queue-feedback[data-tone="error"] {
  border-color: var(--color-danger-line);
  background: var(--color-danger-bg);
  color: var(--color-danger);
}

.active-queue {
  padding: var(--space-6) 0;
}

.list-heading {
  margin-bottom: var(--space-2);
}

.list-heading span {
  color: var(--color-ink-soft);
  font-size: var(--text-2xs);
}

.queue-list,
.history-list {
  display: grid;
  gap: var(--space-3);
  padding: 0;
  margin: 0;
  list-style: none;
}

.queue-entry,
.history-entry {
  display: grid;
  grid-template-columns: 3rem 3.2rem minmax(0, 1fr) auto;
  gap: var(--space-4);
  align-items: center;
  padding: var(--space-4);
  background: var(--color-paper);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  box-shadow: var(--elevation-1);
  transition: box-shadow var(--duration-base) var(--ease-standard), border-color var(--duration-base) var(--ease-standard);
}

.queue-entry:hover,
.queue-entry:focus-within,
.history-entry:hover,
.history-entry:focus-within {
  border-color: var(--color-line-strong);
  box-shadow: var(--elevation-2);
}

.queue-entry.is-next {
  border-color: var(--color-navy);
  box-shadow: var(--elevation-3);
}

.entry-position {
  display: grid;
  justify-items: start;
  gap: var(--space-1);
  color: var(--color-ink-soft);
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  font-variant-numeric: tabular-nums;
}

.next-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  width: fit-content;
  padding: 0.2rem var(--space-2);
  border-radius: var(--radius-full);
  background: var(--color-signal);
  color: var(--color-navy);
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.next-tag::before {
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 50%;
  background: var(--color-navy);
  content: "";
}

.entry-thumbnail {
  width: 100%;
  max-width: 3.2rem;
  height: 2.1rem;
  border-radius: var(--radius-sm);
  object-fit: cover;
  background: var(--color-navy-soft);
}

.thumbnail-placeholder {
  position: relative;
}

.thumbnail-placeholder::after {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: var(--color-navy);
  content: "TQ";
  font-size: 0.6rem;
  font-weight: 800;
}

.entry-copy,
.history-entry-copy {
  display: grid;
  min-width: 0;
  gap: var(--space-1);
}

.entry-copy a,
.history-entry-copy a {
  overflow: hidden;
  color: var(--color-navy);
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-decoration: none;
}

.entry-copy a:hover,
.history-entry-copy a:hover {
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

.entry-copy span,
.history-entry-copy span {
  overflow: hidden;
  color: var(--color-ink-soft);
  font-size: var(--text-xs);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.entry-actions {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  opacity: 0.001;
  transform: translateX(4px);
  transition: opacity var(--duration-fast) var(--ease-standard), transform var(--duration-fast) var(--ease-standard);
}

.queue-entry:hover .entry-actions,
.queue-entry:focus-within .entry-actions,
.history-entry:hover .entry-actions,
.history-entry:focus-within .entry-actions {
  opacity: 1;
  transform: translateX(0);
}

.history-entry {
  grid-template-columns: 3.2rem minmax(0, 1fr) auto;
  background: var(--color-canvas);
  box-shadow: var(--elevation-0);
}

.history-entry .entry-thumbnail {
  filter: grayscale(55%) opacity(0.85);
}

.history-entry-copy a {
  color: var(--color-ink-soft);
  font-weight: 600;
}

.history-meta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.watched-mark {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
}

.watched-mark svg {
  width: 0.8rem;
  height: 0.8rem;
  fill: none;
  stroke: var(--color-success);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.text-button {
  padding: var(--space-2);
  border: 0;
  background: transparent;
  color: var(--color-navy);
  font: inherit;
  font-size: var(--text-xs);
  font-weight: 700;
  cursor: pointer;
}

.text-button:hover {
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

.history-panel {
  margin-top: var(--space-8);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  background: var(--color-paper);
}

.history-panel summary {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  color: var(--color-navy);
  cursor: pointer;
  list-style: none;
}

.history-panel summary::-webkit-details-marker {
  display: none;
}

.history-panel-marker {
  display: inline-flex;
  color: var(--color-ink-soft);
  transform: rotate(-90deg);
  transition: transform var(--duration-base) var(--ease-standard);
}

.history-panel[open] .history-panel-marker {
  transform: rotate(0deg);
}

.history-panel-marker svg {
  width: 1rem;
  height: 1rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.history-panel-title {
  margin-right: auto;
}

.history-panel-title {
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  font-weight: 700;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
}

.history-panel[open] summary {
  border-bottom: 1px solid var(--color-line);
}

.history-content {
  padding: var(--space-4);
}

.history-actions {
  gap: var(--space-4);
  margin-bottom: var(--space-3);
}

.history-actions p {
  margin: 0;
  color: var(--color-ink-soft);
  font-size: var(--text-xs);
}

.queue-empty-shell,
.empty-state {
  padding: var(--space-12) var(--space-4);
  color: var(--color-ink-soft);
  text-align: center;
}

.queue-empty-shell {
  max-width: 30rem;
  margin: var(--space-12) auto;
}

.queue-empty-shell p,
.empty-state p {
  margin: var(--space-2) auto 0;
  max-width: 34rem;
}

.empty-state {
  border: 1px dashed var(--color-line-strong);
  border-radius: var(--radius-lg);
}

.empty-state h4 {
  margin: var(--space-3) 0 0;
  color: var(--color-navy);
  font-size: 1rem;
}

.empty-state-mark {
  display: grid;
  place-items: center;
  width: var(--space-10);
  height: var(--space-10);
  margin: 0 auto var(--space-4);
  border-radius: 50%;
  background: var(--color-signal);
  color: var(--color-navy);
}

.empty-state-mark svg {
  width: 1.25rem;
  height: 1.25rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.75;
  stroke-linecap: round;
}

.form-error {
  color: var(--color-danger);
  font-size: var(--text-2xs);
}

.app-page [hidden] {
  display: none !important;
}

@media (max-width: 760px) {
  .app-page {
    --shell: min(100% - 2rem, 38rem);
  }

  .app-topbar-inner {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-1);
    padding: var(--space-3) 0;
  }

  .app-account {
    justify-content: space-between;
    gap: var(--space-2);
  }

  .app-account-email {
    display: none;
  }

  .app-main {
    padding: var(--space-6) 0 3rem;
  }

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

  .queue-layout {
    display: block;
  }

  .queue-rail {
    padding-bottom: 1.25rem;
  }

  .queue-nav {
    display: flex;
    overflow-x: auto;
    gap: var(--space-1);
    margin: var(--space-3) 0 var(--space-4);
    padding-bottom: var(--space-1);
    scrollbar-width: thin;
    scrollbar-color: var(--color-line-strong) transparent;
  }

  .queue-nav::-webkit-scrollbar {
    height: 4px;
  }

  .queue-nav::-webkit-scrollbar-thumb {
    background: var(--color-line-strong);
    border-radius: var(--radius-full);
  }

  .queue-nav::-webkit-scrollbar-track {
    background: transparent;
  }

  .queue-nav-item {
    flex: 0 0 auto;
    width: auto;
    min-width: 9rem;
  }

  .new-queue-form {
    max-width: 22rem;
  }

  .capture-row {
    display: grid;
    gap: var(--space-2);
  }

  .queue-entry {
    grid-template-columns: 2.4rem 3.2rem minmax(0, 1fr);
    gap: var(--space-2);
  }

  .entry-actions {
    grid-column: 2 / -1;
    justify-content: flex-end;
  }

  .history-actions {
    align-items: flex-start;
  }
}

@media (max-width: 430px) {
  .app-account .button {
    padding-inline: var(--space-3);
    font-size: var(--text-xs);
  }

  .queue-feedback {
    right: var(--space-4);
    bottom: var(--space-4);
  }

  .queue-entry {
    grid-template-columns: 2rem 3.2rem minmax(0, 1fr);
    padding: var(--space-3);
  }

  .history-entry {
    padding: var(--space-3);
  }
}

@media (hover: none) {
  .entry-actions {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html:has(.landing) {
    scroll-behavior: auto;
  }

  .entry-actions,
  .queue-entry,
  .history-entry,
  .queue-feedback,
  .history-panel-marker {
    transition: none;
  }

  .entry-actions,
  .queue-entry,
  .history-entry,
  .queue-feedback {
    transform: none;
  }

  .button-primary:active,
  .button-quiet:active,
  .icon-button:active,
  .queue-nav-item:active,
  .text-button:active,
  .app-page a:active,
  .history-panel summary:active {
    transform: none;
  }
}

a {
  color: var(--color-navy);
}

/* --- webfonts ------------------------------------------------------------
 * Latin faces are preloaded by the layout. On slow connections, optional
 * keeps the fallback for this visit instead of swapping metrics after paint.
 */

@font-face {
  font-family: "Archivo";
  src: url("/assets/archivo-latin-7a918f31.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: optional;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: "Archivo";
  src: url("/assets/archivo-latin-ext-4e7e2dd1.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: optional;
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
  font-family: "Martian Mono";
  src: url("/assets/martian-mono-latin-7452eb5f.woff2") format("woff2");
  font-weight: 100 800;
  font-style: normal;
  font-display: optional;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: "Martian Mono";
  src: url("/assets/martian-mono-latin-ext-67f5680e.woff2") format("woff2");
  font-weight: 100 800;
  font-style: normal;
  font-display: optional;
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* --- landing page --------------------------------------------------------
 * The landing surface is full-width; `.landing-shell` is the only thing that
 * constrains measure. Navy bands therefore bleed edge to edge on their own,
 * with no 100vw/negative-margin escape and no overflow clipping to fight.
 */

.landing {
  --shell: min(100% - 3rem, 72rem);
}

.landing-shell {
  width: var(--shell);
  margin: 0 auto;
}

.landing-band {
  background: var(--color-navy);
  color: var(--color-paper);
}

/* --- nav ------------------------------------------------------------- */

.landing-nav {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-navy-line);
}

.landing-brand {
  color: var(--color-paper);
  text-decoration: none;
}

.landing-band .brand-mark {
  background: var(--color-paper);
  color: var(--color-navy);
}

.landing-nav-links {
  justify-content: flex-end;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.landing-nav-links a,
.landing-sign-in {
  color: rgb(255 255 255 / 72%);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-standard);
}

.landing-nav-links a:hover,
.landing-sign-in:hover {
  color: var(--color-paper);
  text-decoration: underline;
  text-underline-offset: 0.3em;
}

.landing-sign-in {
  color: var(--color-paper);
  font-weight: 700;
}

.landing-band a:focus-visible {
  outline: var(--focus-ring-on-dark);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* --- hero ------------------------------------------------------------- */

.landing-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(17rem, 0.85fr);
  gap: var(--space-12) 4rem;
  align-items: center;
  padding: 5.5rem 0 6rem;
}

.landing-hero h1 {
  max-width: 20ch;
  margin: 0;
  color: var(--color-paper);
  font-size: clamp(2.5rem, 4.6vw, 3.75rem);
  font-weight: 700;
  letter-spacing: var(--tracking-display);
  line-height: 1.05;
  text-wrap: balance;
}

.landing-lede {
  max-width: 46ch;
  margin: var(--space-6) 0 var(--space-8);
  color: rgb(255 255 255 / 74%);
  font-size: var(--text-md);
}

.landing-hero-actions {
  display: grid;
  gap: var(--space-3);
  justify-items: start;
}

.landing-cta {
  display: inline-block;
  padding: 0.85rem 1.4rem;
}

.landing .button {
  transition:
    background-color var(--duration-fast) var(--ease-standard),
    border-color var(--duration-fast) var(--ease-standard),
    color var(--duration-fast) var(--ease-standard),
    transform var(--duration-fast) var(--ease-standard);
}

/* On a navy field the primary action switches to the signal colour;
   navy ink on amber measures 7.55:1. See DESIGN.md > Components > Buttons. */
.landing-band .button-primary {
  background: var(--color-signal);
  color: var(--color-navy);
  font-weight: 700;
}

.landing-band .button-primary:hover {
  background: var(--color-signal-lift);
}

.landing-band .button-primary:focus-visible {
  outline: var(--focus-ring-on-dark);
  outline-offset: 3px;
  box-shadow: none;
}

.landing-trust {
  margin: 0;
  color: rgb(255 255 255 / 62%);
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  letter-spacing: 0.02em;
}

/* --- the board -------------------------------------------------------- */

.landing-board {
  display: flex;
  justify-content: center;
}

.landing-board-frame {
  width: min(26rem, 100%);
  padding: var(--space-4);
  background: var(--color-navy-deep);
  border-radius: var(--radius-lg);
  box-shadow: var(--elevation-board), inset 0 1px 0 rgb(255 255 255 / 6%), inset 0 0 0 1px rgb(0 0 0 / 40%);
  transform: perspective(1400px) rotateY(-4deg) rotateX(1deg);
}

.landing-board-header {
  display: flex;
  justify-content: space-between;
  padding-bottom: var(--space-3);
  margin-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-navy-line);
  color: rgb(255 255 255 / 55%);
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
}

.landing-board-count,
.landing-board-flap {
  font-variant-numeric: tabular-nums;
}

.landing-board-rows {
  display: grid;
  gap: var(--space-2);
  padding: 0;
  margin: 0;
  list-style: none;
}

.landing-board-row {
  display: grid;
  grid-template-columns: 2.4rem 3.2rem minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2);
  border-radius: var(--radius-sm);
  transition: background-color var(--duration-fast) var(--ease-standard);
}

.landing-board-row:hover {
  background: rgb(255 255 255 / 5%);
}

.landing-board-flap {
  display: grid;
  place-items: center;
  height: 2rem;
  border-radius: var(--radius-sm);
  background: linear-gradient(to bottom, rgb(255 255 255 / 12%) 0%, rgb(255 255 255 / 12%) 50%, rgb(255 255 255 / 4%) 50%, rgb(255 255 255 / 4%) 100%);
  color: rgb(255 255 255 / 80%);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

.landing-board-row.is-next .landing-board-flap {
  background: linear-gradient(to bottom, var(--color-signal) 0%, var(--color-signal) 50%, var(--color-signal-shadow) 50%, var(--color-signal-shadow) 100%);
  color: var(--color-navy);
  font-weight: 700;
}

.landing-board-copy {
  display: grid;
  gap: var(--space-1);
  min-width: 0;
}

.landing-board-copy strong {
  overflow: hidden;
  color: var(--color-paper);
  font-size: var(--text-sm);
  font-weight: 600;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.landing-board-copy span {
  color: rgb(255 255 255 / 50%);
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
}

.landing-board-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 0.2rem var(--space-2);
  border-radius: var(--radius-full);
  background: var(--color-signal);
  color: var(--color-navy);
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.landing-board-departed {
  display: grid;
  grid-template-columns: 1.5rem minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-2) 0;
  margin-top: var(--space-2);
  border-top: 1px solid var(--color-navy-line);
  mask-image: linear-gradient(to bottom, black 0%, black 60%, transparent 100%);
}

/* Departure recedes by colour and the mask, never by whole-row opacity:
   the row must still clear AA on Board Black. The 66%/62% inks measure
   8.15:1 and 7.33:1 on #0e1a28. See DESIGN.md > Split-Flap Board. */
.landing-board-departed .watched-mark svg {
  stroke: rgb(255 255 255 / 66%);
}

.landing-board-departed .landing-board-copy strong {
  color: rgb(255 255 255 / 66%);
  font-weight: 500;
}

.landing-board-status {
  color: rgb(255 255 255 / 62%);
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  text-transform: uppercase;
}

@keyframes board-settle {
  0% { transform: scaleY(0.4); opacity: 0.3; }
  20% { transform: scaleY(1.15); opacity: 1; }
  40% { transform: scaleY(0.85); }
  60% { transform: scaleY(1.05); }
  80% { transform: scaleY(0.97); }
  100% { transform: scaleY(1); }
}

.landing-board-row:nth-child(1) .landing-board-flap { animation: board-settle 480ms steps(6, jump-end) 100ms both; }
.landing-board-row:nth-child(2) .landing-board-flap { animation: board-settle 480ms steps(6, jump-end) 220ms both; }
.landing-board-row:nth-child(3) .landing-board-flap { animation: board-settle 480ms steps(6, jump-end) 340ms both; }
.landing-board-departed { animation: board-settle 480ms steps(6, jump-end) 460ms both; }

/* --- shared section rhythm -------------------------------------------- */

.landing-section {
  padding: 6rem 0;
  scroll-margin-top: 1.5rem;
}

.landing-section + .landing-section {
  border-top: 1px solid var(--color-line);
}

.landing-section h2 {
  max-width: 20ch;
  margin: 0 0 var(--space-12);
  color: var(--color-navy);
  font-size: clamp(1.875rem, 3.4vw, 2.5rem);
  letter-spacing: var(--tracking-display);
  line-height: 1.1;
  text-wrap: balance;
}

/* --- what is TubeQueue (definition) ------------------------------------ */

.landing-about-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.35fr);
  gap: var(--space-8) 4rem;
  align-items: start;
}

.landing-about-inner h2 {
  margin-bottom: 0;
}

.landing-about-prose p {
  max-width: 65ch;
  margin: 0 0 var(--space-4);
  color: var(--color-ink-soft);
}

.landing-about-prose p:last-child {
  margin-bottom: 0;
}

/* --- how it works ------------------------------------------------------ */

.landing-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-8);
  padding: 0;
  margin: 0;
  list-style: none;
}

.landing-steps li {
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  gap: var(--space-3);
  padding-top: var(--space-5);
  border-top: 2px solid var(--color-navy);
  transition: transform var(--duration-base) var(--ease-standard);
}

.landing-steps li:hover {
  transform: translateY(-2px);
}

.landing-step-number {
  color: var(--color-ink-soft);
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  font-variant-numeric: tabular-nums;
  letter-spacing: var(--tracking-label);
}

.landing-steps h3 {
  margin: 0;
  color: var(--color-navy);
  font-size: var(--text-md);
  letter-spacing: -0.01em;
}

.landing-steps p {
  margin: 0;
  color: var(--color-ink-soft);
}

.landing-step-demo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  min-height: 3.25rem;
  padding: var(--space-3);
  background: var(--color-navy-deep);
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
}

.landing-step-demo-input {
  overflow: hidden;
  color: rgb(255 255 255 / 55%);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.landing-step-demo-icon {
  display: inline-flex;
  flex: 0 0 auto;
  color: rgb(255 255 255 / 52%);
}

.landing-step-demo-icon svg {
  width: 1rem;
  height: 1rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.landing-step-demo-chip {
  margin-left: auto;
  padding: 0.15rem var(--space-2);
  border-radius: var(--radius-full);
  background: var(--color-signal);
  color: var(--color-navy);
  font-weight: 700;
}

.landing-step-demo-order {
  flex-direction: column;
  align-items: stretch;
  gap: var(--space-2);
}

.landing-step-demo-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.landing-step-demo-row .landing-board-flap {
  width: 2.4rem;
  height: 1.5rem;
  flex: 0 0 auto;
}

.landing-step-demo-label {
  overflow: hidden;
  color: rgb(255 255 255 / 70%);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.landing-step-demo-row .landing-step-demo-icon {
  margin-left: auto;
}

.landing-step-demo-fading {
  overflow: hidden;
  color: rgb(255 255 255 / 52%);
  text-decoration: line-through;
  text-decoration-color: rgb(255 255 255 / 30%);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.landing-step-demo-status {
  margin-left: auto;
  color: rgb(255 255 255 / 52%);
  text-transform: uppercase;
}

/* --- split section (extension) ----------------------------------------- */

.landing-split-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
  gap: 5rem;
  align-items: center;
}

.landing-split-copy h2 {
  margin-bottom: var(--space-6);
}

.landing-split-copy p {
  max-width: 52ch;
  margin: 0 0 var(--space-4);
  color: var(--color-ink-soft);
}

.landing-split-copy p.landing-split-note {
  margin-top: var(--space-6);
  padding: var(--space-3) var(--space-4);
  border: 1px dashed var(--color-line-strong);
  border-radius: var(--radius-md);
  background: var(--color-canvas);
  color: var(--color-ink-soft);
  font-size: var(--text-sm);
}

.landing-split-copy code {
  padding: 0.1em 0.35em;
  border-radius: var(--radius-sm);
  background: var(--color-navy-soft);
  color: var(--color-navy);
  font-family: var(--font-mono);
  font-size: 0.85em;
}

/* --- extension popup depiction ----------------------------------------- */

.landing-popup {
  border-radius: var(--radius-card);
  background: var(--color-navy-deep);
  box-shadow: var(--elevation-board);
  overflow: hidden;
}

.landing-popup-chrome {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-navy-line);
}

.landing-popup-dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: rgb(255 255 255 / 18%);
}

.landing-popup-url {
  margin-left: var(--space-3);
  color: rgb(255 255 255 / 52%);
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
}

.landing-popup-body {
  display: grid;
  gap: var(--space-4);
  margin: var(--space-4);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  background: var(--color-paper);
}

.landing-popup-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-line);
  color: var(--color-navy);
}

.landing-popup-header .brand-mark {
  width: 1.5rem;
  height: 1.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.6rem;
}

.landing-popup-email {
  margin-left: auto;
  overflow: hidden;
  color: var(--color-ink-soft);
  font-size: var(--text-2xs);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.landing-popup-video {
  display: grid;
  grid-template-columns: 3.2rem minmax(0, 1fr);
  gap: var(--space-3);
  align-items: center;
}

.landing-popup-video-copy {
  display: grid;
  gap: var(--space-1);
  min-width: 0;
}

.landing-popup-video-copy strong {
  overflow: hidden;
  color: var(--color-navy);
  font-size: var(--text-xs);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.landing-popup-video-copy span {
  color: var(--color-ink-soft);
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
}

.landing-popup-picker {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: var(--space-3);
}

.landing-popup-picker-label {
  color: var(--color-ink-soft);
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
}

.landing-popup-select {
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-line-strong);
  border-radius: var(--radius-sm);
  color: var(--color-ink);
  font-size: var(--text-xs);
}

.landing-popup-button {
  display: block;
  padding: var(--space-3);
  border-radius: var(--radius-md);
  background: var(--color-signal);
  color: var(--color-navy);
  font-size: var(--text-xs);
  font-weight: 700;
  text-align: center;
}

/* --- what you get ------------------------------------------------------- */

.landing-manifest {
  margin: 0;
}

.landing-manifest > div {
  display: grid;
  grid-template-columns: 12rem minmax(0, 1fr);
  gap: var(--space-8);
  padding: var(--space-5) 0;
  border-top: 1px solid var(--color-line);
}

.landing-manifest > div:last-child {
  border-bottom: 1px solid var(--color-line);
}

.landing-manifest dt {
  color: var(--color-navy);
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  font-weight: 700;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
}

.landing-manifest dd {
  max-width: 62ch;
  margin: 0;
  color: var(--color-ink-soft);
}

/* --- FAQ ---------------------------------------------------------------- */

.landing-faq {
  margin: 0;
}

.landing-faq > div {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.5fr);
  gap: var(--space-3) 4rem;
  padding: var(--space-5) 0;
  border-top: 1px solid var(--color-line);
}

.landing-faq > div:last-child {
  border-bottom: 1px solid var(--color-line);
}

.landing-faq dt {
  color: var(--color-navy);
  font-size: var(--text-md);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.landing-faq dd {
  max-width: 62ch;
  margin: 0;
  color: var(--color-ink-soft);
}

/* --- closing band ------------------------------------------------------- */

.landing-closer {
  padding: 6rem 0;
  text-align: center;
}

.landing-closer h2 {
  max-width: 22ch;
  margin: 0 auto var(--space-8);
  color: var(--color-paper);
  font-size: clamp(1.875rem, 3.4vw, 2.5rem);
  letter-spacing: var(--tracking-display);
  line-height: 1.1;
  text-wrap: balance;
}

.landing-closer .landing-hero-actions {
  justify-items: center;
}

/* --- footer -------------------------------------------------------------- */

.landing-footer {
  padding: 4rem 0 5.5rem;
  border-top: 1px solid var(--color-line);
  background: var(--color-paper);
}

.landing-footer-top {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr);
  gap: var(--space-12) 4rem;
}

.landing-footer-brand p {
  max-width: 32ch;
  margin: var(--space-4) 0 0;
  color: var(--color-ink-soft);
  font-size: var(--text-sm);
}

.landing-footer-links {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-8);
}

.landing-footer-links h2 {
  margin: 0 0 var(--space-4);
  color: var(--color-navy);
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  font-weight: 700;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
}

.landing-footer-links ul {
  display: grid;
  gap: var(--space-3);
  padding: 0;
  margin: 0;
  list-style: none;
}

.landing-footer-links a {
  color: var(--color-ink-soft);
  font-size: var(--text-sm);
  text-decoration: none;
}

.landing-footer-links a:hover {
  color: var(--color-navy);
  text-decoration: underline;
  text-underline-offset: 0.25em;
}

.landing-footer-links a:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-ring-offset);
  border-radius: var(--radius-sm);
}

.landing-footer-base {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-top: 4rem;
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-line);
  color: var(--color-ink-soft);
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
}

.landing-top {
  position: fixed;
  right: max(var(--space-6), env(safe-area-inset-right));
  bottom: max(var(--space-6), env(safe-area-inset-bottom));
  z-index: 30;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border: 1px solid rgb(255 255 255 / 16%);
  border-radius: var(--radius-sm);
  background: var(--color-navy);
  color: var(--color-signal);
  box-shadow: var(--elevation-2);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(0.5rem);
  transition:
    opacity var(--duration-base) var(--ease-standard),
    transform var(--duration-base) var(--ease-standard),
    background-color var(--duration-fast) var(--ease-standard),
    visibility 0s linear var(--duration-base);
}

.landing-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: none;
  transition-delay: 0s;
}

.landing-top:hover {
  background: var(--color-navy-deep);
  color: var(--color-signal-lift);
}

.landing-top:focus-visible {
  outline: var(--focus-ring-on-dark);
  outline-offset: var(--focus-ring-offset);
}

.landing-top svg {
  width: 1.125rem;
  height: 1.125rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
}

@media (prefers-reduced-motion: reduce) {
  .landing-top {
    transition: none;
    transform: none;
  }
}

/* --- entrance motion ----------------------------------------------------
 * One restrained reveal for below-the-fold content; the hero is excluded so
 * the board keeps its single authored moment. The hidden start state applies
 * only once the controller has added `is-reveal-ready` to `.landing`, so a
 * visitor whose JavaScript never runs still sees the full page -- the reveal
 * is progressive enhancement, never a fail-closed gate. Reduced motion never
 * applies the hidden state at all.
 */

@media (prefers-reduced-motion: no-preference) {
  .landing.is-reveal-ready [data-reveal] {
    opacity: 0;
    translate: 0 0.6rem;
    transition:
      opacity 500ms var(--ease-standard) var(--reveal-delay, 0ms),
      translate 500ms var(--ease-standard) var(--reveal-delay, 0ms),
      transform var(--duration-base) var(--ease-standard);
  }

  .landing.is-reveal-ready [data-reveal].is-revealed {
    opacity: 1;
    translate: none;
  }

  /* Items that arrive as a group settle in sequence rather than popping
   * together. The stagger rides a custom property the reveal transition alone
   * reads, so it never delays an element's own hover transition. */
  .landing-steps li[data-reveal]:nth-child(2),
  .landing-faq > div[data-reveal]:nth-child(2),
  .landing-manifest > div[data-reveal]:nth-child(2) {
    --reveal-delay: 70ms;
  }

  .landing-steps li[data-reveal]:nth-child(3),
  .landing-faq > div[data-reveal]:nth-child(3),
  .landing-manifest > div[data-reveal]:nth-child(3) {
    --reveal-delay: 140ms;
  }

  .landing-faq > div[data-reveal]:nth-child(4),
  .landing-manifest > div[data-reveal]:nth-child(4) {
    --reveal-delay: 210ms;
  }

  .landing-manifest > div[data-reveal]:nth-child(5) {
    --reveal-delay: 280ms;
  }

  .landing-manifest > div[data-reveal]:nth-child(6) {
    --reveal-delay: 350ms;
  }
}

/* --- responsive ---------------------------------------------------------- */

@media (max-width: 960px) {
  .landing-hero,
  .landing-split-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 3.5rem;
  }

  .landing-about-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-6);
  }

  .landing-hero {
    padding: 4rem 0 4.5rem;
  }

  .landing-board-frame {
    transform: none;
  }

  .landing-footer-top {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 760px) {
  .landing {
    --shell: min(100% - 2rem, 38rem);
  }

  .landing-section,
  .landing-closer {
    padding: 4rem 0;
  }

  .landing-section h2 {
    margin-bottom: var(--space-8);
  }

  .landing-steps {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-6);
  }

  .landing-manifest > div {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-2);
  }

  .landing-faq > div {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-2);
  }

  .landing-footer-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-6);
  }
}

@media (max-width: 430px) {
  .landing-board-frame {
    padding: var(--space-3);
  }

  .landing-board-row {
    grid-template-columns: 2rem 3.2rem minmax(0, 1fr) auto;
  }

  .landing-footer-base {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  .landing-board-flap,
  .landing-board-departed {
    animation: none;
  }

  .landing-nav-links a,
  .landing-band .button-primary,
  .landing .button,
  .landing-board-row {
    transition: none;
  }

  .landing-steps li,
  .landing-steps li:hover {
    transition: none;
    transform: none;
  }
}

/* Shared navigation keeps the same tracks on every authenticated page. */
.app-navigation { display: flex; gap: var(--space-2); }
.app-navigation [aria-current="page"] {
  background: rgb(255 255 255 / 12%);
  border-color: var(--color-paper);
}
.app-topbar .button, .landing-nav a, .app-topbar .brand-lockup {
  min-height: 44px;
  min-width: 44px;
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
}
.app-topbar .brand-lockup, .landing-brand { flex-shrink: 0; justify-self: start; }
.landing-sign-in { justify-content: flex-end; }

@media (max-width: 760px) {
  .landing-nav {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: var(--space-1) var(--space-4);
    padding: var(--space-3) 0;
  }
  .landing-nav-links {
    grid-row: 2;
    grid-column: 1 / -1;
    justify-content: space-between;
    gap: var(--space-1);
  }
  .landing-sign-in { grid-column: 2; grid-row: 1; }
}

.settings-email { overflow-wrap: anywhere; }