/*
  Alina Security operator portal -- design tokens and shell.

  Direction: a calm operations handover board in the Watchline identity.
  Midnight blue, cool paper and marine teal; amber and red carry attention, never
  used alone -- every status also carries a text label or glyph.

  Signature element: the Duty Line, a live Singapore-time handover sequence
  through today's briefing, acknowledgement, start and completion milestones,
  grouped as Earlier / Now / Next / Later at every width.
*/

:root {
  /* Shared Watchline identity, applied to existing portal components. */
  --color-bg: var(--brand-ground);
  --color-surface: var(--brand-paper);
  --color-surface-sunken: var(--brand-well);
  --color-ink: var(--brand-midnight);
  --color-ink-muted: var(--brand-muted);
  --color-rule: var(--brand-rule);
  --color-rule-strong: var(--brand-rule-strong);
  --color-control-border: var(--brand-control);
  --color-green: var(--brand-teal);
  --color-green-strong: var(--brand-teal-strong);
  --color-green-soft: var(--brand-teal-soft);
  --color-amber: var(--brand-warning);
  --color-amber-soft: var(--brand-warning-soft);
  --color-red: var(--brand-danger);
  --color-red-soft: var(--brand-danger-soft);
  --color-focus: var(--brand-teal);
  --color-shadow: 17 43 54;

  --font-display: var(--brand-font-display);
  --font-body: var(--brand-font-body);
  --font-mono: var(--brand-font-mono);

  --text-xs: 0.875rem;
  --leading-xs: 1.35;
  --text-sm: 1rem;
  --leading-sm: 1.45;
  --text-base: 1.125rem;
  --leading-base: 1.55;
  --text-lg: 1.375rem;
  --leading-lg: 1.4;
  --text-xl: 1.75rem;
  --leading-xl: 1.25;
  --text-2xl: 2.25rem;
  --leading-2xl: 1.15;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;

  /* Shape and depth */
  --radius-sm: 4px;
  --radius-md: var(--brand-radius);
  --radius-lg: 8px;
  --shadow-sm: 0 1px 2px rgb(var(--color-shadow) / 0.14);
  --shadow-md: 0 6px 20px rgb(var(--color-shadow) / 0.16);

  /* Motion */
  --duration-fast: 120ms;
  --duration-base: 200ms;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

  color-scheme: light;
}

@media (prefers-reduced-motion: reduce) {
  :root {
    --duration-fast: 0ms;
    --duration-base: 0ms;
  }
}

* {
  box-sizing: border-box;
}

html {
  background: var(--color-bg);
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-base);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, .display {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--color-ink);
  margin: 0 0 var(--space-2);
}

h1 { font-size: var(--text-2xl); line-height: var(--leading-2xl); }
h2 { font-size: var(--text-xl); line-height: var(--leading-xl); }
h3 { font-size: var(--text-lg); line-height: var(--leading-lg); }

p { margin: 0 0 var(--space-3); color: var(--color-ink); }

a {
  color: var(--color-green-strong);
  text-underline-offset: 0.15em;
}

.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; overflow-wrap: break-word; }

:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.skip-link {
  position: absolute;
  left: var(--space-3);
  top: -3rem;
  background: var(--color-ink);
  color: var(--color-surface);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  z-index: 100;
  transition: top var(--duration-fast) var(--ease-out);
}
.skip-link:focus {
  top: var(--space-3);
}

/* Visually hidden but still reachable by assistive tech: the live
   announcement region the shell's minimal JavaScript writes into. */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- App shell ---------- */

.shell-header {
  border-bottom: 4px solid var(--brand-lime);
  background: var(--brand-midnight);
  color: var(--brand-paper);
}
.shell-header :focus-visible { outline-color: var(--brand-lime); }
.shell-header .primary-nav a { color: var(--brand-paper); }
.shell-header .primary-nav a:hover { background: var(--brand-midnight-raised); }
.shell-header .primary-nav a[aria-current="page"] {
  background: var(--brand-lime);
  color: var(--brand-midnight);
  border-color: var(--brand-lime);
}
.shell-header .button-quiet,
.shell-header .primary-nav-toggle {
  background: var(--brand-midnight-raised);
  color: var(--brand-paper);
  border-color: var(--brand-rule-strong);
}
.shell-header .primary-nav-toggle__current,
.shell-header .primary-nav-toggle__current::before { color: var(--brand-lime); }
.shell-header .button-quiet:hover { border-color: var(--brand-paper); }

.shell-header__bar {
  max-width: 76rem;
  margin: 0 auto;
  padding: var(--space-3) var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.wordmark { min-width: 0; max-width: 100%; }
.wordmark__text { min-width: 0; }
.wordmark__agency {
  display: block;
  margin-top: .35rem;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: var(--text-xs);
  line-height: 1.35;
  color: inherit;
  overflow-wrap: anywhere;
}

.primary-nav {
  display: flex;
  gap: var(--space-1);
  flex-wrap: wrap;
  margin-left: auto;
}

.primary-nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 48px;
  max-width: 100%;
  padding: 0 var(--space-3);
  border: 1px solid var(--color-control-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-ink);
  font: inherit;
  font-size: var(--text-sm);
  font-weight: 700;
  cursor: pointer;
}

.primary-nav-toggle__current {
  color: var(--color-green-strong);
  font-weight: 600;
}

.primary-nav-toggle__current::before {
  content: "·";
  margin-right: var(--space-2);
  color: var(--color-ink-muted);
}

.primary-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 var(--space-3);
  border-radius: var(--radius-md);
  color: var(--color-ink-muted);
  font-weight: 600;
  font-size: var(--text-sm);
  text-decoration: none;
  border: 1px solid transparent;
}

.primary-nav a:hover {
  color: var(--color-green-strong);
  background: var(--color-green-soft);
}

.primary-nav a[aria-current="page"] {
  color: var(--color-green-strong);
  background: var(--color-green-soft);
  border-color: var(--color-rule-strong);
}

.session-form {
  margin: 0;
}

.button-quiet {
  min-height: 44px;
  padding: 0 var(--space-3);
  border-radius: var(--radius-md);
  /* Sits on the header bar's own surface color, so the border is the only
     thing that makes this read as a button rather than plain header text:
     it needs the 3:1 non-text contrast a merely decorative rule would not. */
  border: 1px solid var(--color-control-border);
  background: var(--color-surface);
  color: var(--color-ink-muted);
  font: inherit;
  font-weight: 600;
  font-size: var(--text-sm);
  cursor: pointer;
}
.button-quiet:hover { color: var(--color-ink); border-color: var(--color-ink); }

.shell-main {
  max-width: 76rem;
  margin: 0 auto;
  padding: var(--space-6) var(--space-4) var(--space-8);
}

.page-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-4);
}

.page-heading__actions {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.page-heading__date {
  font-family: var(--font-mono);
  color: var(--color-ink-muted);
  font-size: var(--text-sm);
}

/* ---------- Empty / status states ---------- */

.empty-state {
  background: var(--color-surface);
  border: 1px dashed var(--color-rule-strong);
  border-radius: var(--radius-lg);
  padding: var(--space-8) var(--space-6);
  text-align: left;
  color: var(--color-ink-muted);
}

.empty-state h2 {
  color: var(--color-ink);
}

/* ---------- Access / recovery pages (no shell chrome) ---------- */

.access-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  background: var(--brand-midnight);
  border-top: 6px solid var(--brand-lime);
}

.access-card {
  width: 100%;
  max-width: 26rem;
  background: var(--color-surface);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--space-8) var(--space-6);
}

.access-card__mark { margin-bottom: var(--space-8); }

.button-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 44px;
  padding: 0 var(--space-4);
  border-radius: var(--radius-md);
  border: none;
  background: var(--color-green);
  color: var(--color-surface);
  font: inherit;
  font-weight: 700;
  font-size: var(--text-sm);
  cursor: pointer;
  transition: background var(--duration-fast) var(--ease-out);
}
.button-primary:hover { background: var(--color-green-strong); }

.access-card .button-primary { margin-top: var(--space-4); }

.access-note {
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
  margin-top: var(--space-3);
}

/* ---------- Shared record components ---------- */

.form-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-top: var(--space-6);
}

.form-actions .button-primary,
.button-primary--auto {
  width: auto;
  min-width: 10rem;
}

/* ---------- Honest action progress ---------- */

.action-progress {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-3);
  align-items: start;
  margin-bottom: var(--space-4);
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-rule);
  border-left: 4px solid var(--color-rule-strong);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

.action-progress--working {
  border-left-color: var(--color-green);
  background: var(--color-green-soft);
}

.action-progress:not(.action-progress--working) {
  grid-template-columns: minmax(0, 1fr);
}

.action-progress__spinner {
  width: 1.125rem;
  height: 1.125rem;
  margin-top: 0.2rem;
  border: 2px solid var(--color-rule-strong);
  border-top-color: var(--color-green-strong);
  border-radius: 50%;
  animation: action-progress-spin 900ms linear infinite;
}

.action-progress__spinner[hidden] {
  display: none;
}

.action-progress__status {
  margin: 0;
  font-size: var(--text-base);
}

.action-progress__detail {
  margin: var(--space-1) 0 0;
  font-size: var(--text-sm);
}

.action-progress__since,
.action-progress__long {
  margin: var(--space-2) 0 0;
  color: var(--color-ink-muted);
  font-size: var(--text-xs);
}

.action-progress a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  margin: 0 calc(var(--space-2) * -1);
  padding: 0 var(--space-2);
}

[data-slow-action][aria-busy="true"] button[type="submit"] {
  cursor: wait;
  opacity: 0.78;
}

[data-slow-action][aria-busy="true"] button[type="submit"]::before {
  width: 0.9rem;
  height: 0.9rem;
  margin-right: var(--space-2);
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  content: "";
  animation: action-progress-spin 900ms linear infinite;
}

@keyframes action-progress-spin {
  to { transform: rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
  .action-progress__spinner,
  [data-slow-action][aria-busy="true"] button[type="submit"]::before {
    animation: none;
  }
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  min-height: 28px;
  padding: var(--space-1) var(--space-3);
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.status-pill--open,
.status-pill--report-ready {
  background: var(--color-green-soft);
  color: var(--color-green-strong);
  border-color: var(--color-green-strong);
}

.status-pill--covered {
  background: var(--brand-success-soft);
  color: var(--brand-success);
}

.status-pill--urgent {
  background: var(--color-red-soft);
  color: var(--color-red);
  border-color: var(--color-red);
}

.status-pill--uncovered {
  background: var(--color-red-soft);
  color: var(--color-red);
}

.status-pill--stale,
.status-pill--report-needed {
  background: var(--color-amber-soft);
  color: var(--color-amber);
  border-color: var(--color-amber);
}

.status-pill--pending {
  background: var(--color-amber-soft);
  color: var(--color-amber);
}

.status-pill--resolved {
  background: var(--color-surface-sunken);
  color: var(--color-ink-muted);
  border-color: var(--color-rule-strong);
}

.status-pill--neutral {
  background: var(--color-surface-sunken);
  color: var(--color-ink-muted);
}

p.status-pill {
  white-space: normal;
  text-align: left;
  height: auto;
}

.fact-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr));
  gap: var(--space-3) var(--space-4);
  margin: 0;
}

.fact-list dt {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-ink-muted);
}

.fact-list dd {
  margin: var(--space-1) 0 0;
  font-size: var(--text-sm);
}

.fact-list__wide {
  grid-column: 1 / -1;
}

/* Keep dense operational actions usable under zoom and at 320px. */
.shell-main .delta-row,
.shell-main .form-actions {
  min-width: 0;
  overflow-wrap: anywhere;
}

.shell-main .delta-row > *,
.shell-main .form-actions > * {
  min-width: 0;
  max-width: 100%;
}

.shell-main .status-pill {
  max-width: 100%;
  white-space: normal;
  text-align: left;
  overflow-wrap: anywhere;
}

.shell-main .button-secondary {
  border-color: var(--color-control-border);
  font-size: var(--text-sm);
  white-space: normal;
}

.shell-main .button-secondary.button-danger {
  border-color: var(--color-red);
}

main.shell-main input:not([type="checkbox"]):not([type="radio"]):not([type="hidden"]),
main.shell-main select,
main.shell-main textarea {
  border-color: var(--color-control-border);
  font-size: var(--text-sm);
}

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

@media (max-width: 1023px) {
  .shell-header__bar {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: var(--space-2);
    padding-top: var(--space-2);
    padding-bottom: var(--space-2);
  }

  .wordmark {
    min-width: 0;
    font-size: var(--text-base);
    line-height: 1.2;
  }

  .wordmark__agency {
    margin-top: 0.1rem;
    line-height: 1.25;
  }

  .primary-nav-toggle:not([hidden]) {
    display: inline-flex;
  }

  .primary-nav {
    grid-column: 1 / -1;
    width: 100%;
    margin-left: 0;
    padding-top: var(--space-1);
    flex-direction: column;
    align-items: stretch;
  }

  .primary-nav a,
  .primary-nav .button-quiet {
    width: 100%;
    min-height: 48px;
    justify-content: flex-start;
    font-size: var(--text-sm);
  }

  .primary-nav .session-form {
    width: 100%;
  }
}

@media (min-width: 768px) {
  .shell-main { padding-top: var(--space-8); }
}

@media (max-width: 560px) {
  .shell-header__bar { grid-template-columns: minmax(0, 1fr); }
  .primary-nav-toggle { justify-self: start; }
}

@media (max-width: 400px) {
  .shell-header__bar,
  .shell-main {
    padding-left: var(--space-3);
    padding-right: var(--space-3);
  }
}

/* ---------- Hidden ---------- */

/*
  An author `display` rule outranks the user-agent's [hidden] rule, so a
  component class such as .notice quietly makes its own hidden state visible.
  Every state the interface hides is a state a manager must not be shown by
  accident, so [hidden] wins here regardless of the component.
*/
[hidden] {
  display: none !important;
}