/* Q-Book Todos — tokens mapped from app.qbook.co.uk (primary/slate + .dark) */

:root {
  color-scheme: light;

  --ink: #0f172b;            /* slate-900 */
  --ink-soft: #45556c;       /* slate-600 */
  --paper: #f1f5f9;          /* slate-100 */
  --panel: #ffffff;
  --panel-muted: #f8fafc;    /* slate-50 */
  --line: #e2e8f0;           /* slate-200 */
  --line-strong: #cad5e2;    /* slate-300 */

  --accent: #4ea5e0;         /* primary-400 */
  --accent-deep: #3498db;    /* primary-500 */
  --accent-soft: rgba(78, 165, 224, 0.18);
  --accent-ink: #ffffff;

  --danger: #e40014;
  --ok: #009767;
  --warn: #c53c00;
  --warn-bg: #fff7ed;
  --ok-bg: #ecfdf5;
  --err-bg: #fef2f2;

  --input-bg: #ffffff;
  --column-bg: #f8fafc;
  --card-bg: #ffffff;
  --header-bg: rgba(248, 250, 252, 0.86);
  --shadow: 0 12px 32px rgba(15, 23, 43, 0.08);

  --radius: 0.75rem;         /* ~ radius-xl */
  --radius-sm: 0.5rem;       /* ~ radius-lg */
  --font-display: "Plus Jakarta Sans", "Segoe UI", sans-serif;
  --font-body: "Plus Jakarta Sans", "Segoe UI", sans-serif;
  --space: 1rem;

  --atmosphere-a: rgba(78, 165, 224, 0.2);
  --atmosphere-b: rgba(78, 165, 224, 0.12);
  --atmosphere-c: rgba(15, 23, 43, 0.04);
  --atmosphere-base: linear-gradient(165deg, #f8fafc 0%, #f1f5f9 46%, #e8eef5 100%);
}

html.dark {
  color-scheme: dark;

  --ink: #f1f5f9;            /* slate-100 */
  --ink-soft: #90a1b9;       /* slate-400 */
  --paper: #020618;          /* slate-950 */
  --panel: #0f172b;          /* slate-900 */
  --panel-muted: #1e293b;    /* slate-850 */
  --line: #314158;           /* slate-700 */
  --line-strong: #45556c;    /* slate-600 */

  --accent: #4ea5e0;
  --accent-deep: #7ec5eb;    /* primary-300 */
  --accent-soft: rgba(78, 165, 224, 0.16);
  --accent-ink: #ffffff;

  --danger: #ff6568;
  --ok: #00d294;
  --warn: #ffb96d;
  --warn-bg: #441306;
  --ok-bg: #002c22;
  --err-bg: #460809;

  --input-bg: #1d293d;       /* slate-800 */
  --column-bg: #1e293b;      /* slate-850 */
  --card-bg: #1d293d;
  --header-bg: rgba(15, 23, 43, 0.88);
  --shadow: 0 16px 40px rgba(0, 0, 0, 0.4);

  --atmosphere-a: rgba(78, 165, 224, 0.14);
  --atmosphere-b: rgba(78, 165, 224, 0.08);
  --atmosphere-c: rgba(0, 0, 0, 0.25);
  --atmosphere-base: linear-gradient(165deg, #020618 0%, #0f172b 48%, #1d293d 100%);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  background: var(--paper);
}

.atmosphere {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(820px 480px at 8% -8%, var(--atmosphere-a), transparent 58%),
    radial-gradient(640px 400px at 92% 4%, var(--atmosphere-b), transparent 55%),
    radial-gradient(500px 320px at 50% 100%, var(--atmosphere-c), transparent 60%),
    var(--atmosphere-base);
}

.shell {
  width: min(1100px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 0 0 3rem;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin: 0 -0.25rem 1.25rem;
  padding: 0.85rem 0.25rem;
  background: var(--header-bg);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.brand:hover,
.brand:focus-visible {
  color: var(--accent-deep);
}

.nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem 0.9rem;
  font-size: 0.95rem;
}

.nav a { color: var(--ink-soft); text-decoration: none; }
.nav a:hover, .nav a:focus-visible { color: var(--accent-deep); }

.nav-user {
  color: var(--ink-soft);
  max-width: 12rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--panel-muted);
  color: var(--ink-soft);
  cursor: pointer;
  font: inherit;
  line-height: 1;
  transition: border-color 160ms ease, color 160ms ease, background 160ms ease;
}

.theme-toggle:hover,
.theme-toggle:focus-visible {
  border-color: var(--accent);
  color: var(--accent-deep);
  background: var(--accent-soft);
}

.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
  display: none;
  width: 1.1rem;
  height: 1.1rem;
}

html:not(.dark) .theme-toggle .icon-moon { display: block; }
html.dark .theme-toggle .icon-sun { display: block; }

.inline-form { display: inline; margin: 0; }

.linkish {
  border: 0;
  background: none;
  padding: 0;
  color: var(--ink-soft);
  font: inherit;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.linkish:hover, .linkish:focus-visible { color: var(--accent-deep); }

.main { animation: rise 420ms ease-out; }

@keyframes rise {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

.flash {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
  border: 1px solid var(--line);
}

.flash-success { background: var(--ok-bg); color: var(--ok); }
.flash-error { background: var(--err-bg); color: var(--danger); }
.flash-warning { background: var(--warn-bg); color: var(--warn); }

.todo-stage,
.auth-panel,
.help-panel {
  background: color-mix(in srgb, var(--panel) 92%, transparent);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  padding: 1.5rem 1.4rem 1.6rem;
}

.auth-panel {
  width: min(420px, 100%);
  margin: 1.5rem auto 0;
}

.todo-hero { margin-bottom: 1.25rem; }

.eyebrow {
  margin: 0 0 0.35rem;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-deep);
  font-weight: 700;
}

h1 {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3.5vw, 2.15rem);
  letter-spacing: -0.03em;
  line-height: 1.15;
  font-weight: 700;
}

h2 {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
}

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

.card-details-fields label {
  display: grid;
  gap: 0.3rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink-soft);
}

.add-roster-hint {
  margin: 0;
  font-size: 0.85rem;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="date"],
textarea,
select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 0.75rem 0.9rem;
  font: inherit;
  background: var(--input-bg);
  color: var(--ink);
}

textarea {
  resize: vertical;
  min-height: 4.5rem;
}

input::placeholder {
  color: var(--ink-soft);
  opacity: 0.85;
}

input:focus-visible,
button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.btn {
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  padding: 0.7rem 1rem;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  text-align: center;
  transition: background 160ms ease, border-color 160ms ease, color 160ms ease;
}

.btn-primary {
  background: var(--accent);
  color: var(--accent-ink);
}

.btn-primary:hover { background: var(--accent-deep); }

html.dark .btn-primary:hover {
  background: #3498db; /* primary-500 */
  color: #fff;
}

.btn-ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--ink-soft);
  padding: 0.45rem 0.7rem;
  font-size: 0.9rem;
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent-deep);
}

.btn-danger {
  background: transparent;
  border-color: color-mix(in srgb, var(--danger) 35%, transparent);
  color: var(--danger);
  padding: 0.45rem 0.7rem;
  font-size: 0.9rem;
}

.push-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin: 1rem 0 0.85rem;
}

.push-status { margin: 0; font-size: 0.92rem; }

.kanban {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  align-items: stretch;
  margin-top: 1.25rem;
}

.kanban-column {
  background: var(--column-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.75rem;
  min-height: 14rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  transition: border-color 160ms ease, background 160ms ease, box-shadow 160ms ease;
}

.kanban-column.is-drop-target {
  border-color: color-mix(in srgb, var(--accent) 65%, transparent);
  background: var(--accent-soft);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent) 35%, transparent);
}

.kanban-column-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem;
}

.kanban-column-head h2 {
  margin: 0;
  font-size: 1.02rem;
}

.kanban-count {
  font-size: 0.8rem;
  color: var(--ink-soft);
  font-weight: 700;
  min-width: 1.4rem;
  text-align: center;
  padding: 0.1rem 0.4rem;
  border-radius: 999px;
  background: var(--panel-muted);
  border: 1px solid var(--line);
}

.kanban-empty {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.9rem;
  padding: 0.25rem 0.1rem;
}

.kanban-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
  flex: 1 1 auto;
  min-height: 0.5rem;
}

.kanban-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--card-bg);
  padding: 0.55rem 0.6rem;
  display: grid;
  gap: 0.4rem;
  cursor: grab;
  animation: card-in 280ms ease-out;
  box-shadow: 0 1px 0 color-mix(in srgb, var(--ink) 4%, transparent);
}

.kanban-card.is-dragging {
  opacity: 0.55;
  cursor: grabbing;
}

.kanban-card.is-done .card-title-input {
  text-decoration: line-through;
  color: var(--ink-soft);
}

.card-face {
  display: grid;
  gap: 0.35rem;
  min-width: 0;
}

.card-title-input {
  width: 100%;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  padding: 0.2rem 0.25rem;
  font: inherit;
  font-weight: 600;
  font-size: 0.98rem;
  line-height: 1.35;
  background: transparent;
  color: var(--ink);
}

.card-title-input:hover {
  border-color: var(--line);
  background: var(--input-bg);
}

.card-title-input:focus {
  border-color: var(--accent);
  background: var(--input-bg);
}

.card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  align-items: center;
}

.chip {
  display: inline-flex;
  align-items: center;
  max-width: 100%;
  padding: 0.12rem 0.4rem;
  border-radius: 0.35rem;
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1.3;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chip-booking {
  border: 1px solid var(--accent);
  color: var(--accent-deep);
  background: var(--accent-soft);
}

.chip-due {
  border: 1px solid var(--line);
  color: var(--ink-soft);
  background: var(--panel-muted);
}

.chip-assignee {
  border: 1px solid var(--line-strong);
  color: var(--ink);
  background: var(--panel-muted);
  min-width: 1.55rem;
  justify-content: center;
  letter-spacing: 0.02em;
}

.chip-note {
  border: 1px solid var(--line);
  color: var(--ink-soft);
  background: transparent;
}

.edit-form {
  display: grid;
  gap: 0.35rem;
  min-width: 0;
}

.edit-form .card-details {
  border: 0;
  padding: 0;
  background: transparent;
}

.edit-form .card-details > summary {
  cursor: pointer;
  color: var(--ink-soft);
  font-size: 0.82rem;
  font-weight: 600;
  list-style: none;
  width: fit-content;
}

.edit-form .card-details > summary::-webkit-details-marker { display: none; }

.edit-form .card-details[open] > summary {
  color: var(--accent-deep);
  margin-bottom: 0.15rem;
}

.card-details-fields {
  display: grid;
  gap: 0.5rem;
  margin-top: 0.35rem;
  padding-top: 0.35rem;
  border-top: 1px solid var(--line);
}

.card-toolbar {
  display: flex;
  justify-content: flex-end;
}

.btn-save-quick {
  padding: 0.25rem 0.55rem;
  font-size: 0.8rem;
}

.card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.2rem;
  border-top: 1px solid color-mix(in srgb, var(--line) 80%, transparent);
}

.move-form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  align-items: center;
  min-width: 0;
}

.move-select {
  width: auto;
  min-width: 5.5rem;
  padding: 0.35rem 0.5rem;
  font-size: 0.85rem;
}

.column-add {
  margin-top: auto;
  border: 0;
  padding: 0;
  background: transparent;
}

.column-add > summary {
  cursor: pointer;
  list-style: none;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--ink-soft);
  padding: 0.45rem 0.5rem;
  border-radius: var(--radius-sm);
  transition: background 140ms ease, color 140ms ease;
}

.column-add > summary::-webkit-details-marker { display: none; }

.column-add > summary:hover {
  background: var(--panel-muted);
  color: var(--accent-deep);
}

.column-add[open] > summary {
  color: var(--accent-deep);
  margin-bottom: 0.35rem;
}

.column-add-form {
  display: grid;
  gap: 0.45rem;
  padding: 0.15rem 0.1rem 0.25rem;
}

.column-add-form .btn-primary {
  justify-self: start;
  padding: 0.5rem 0.85rem;
  font-size: 0.9rem;
}

@keyframes card-in {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}

.stack-form {
  display: grid;
  gap: 0.9rem;
  margin: 1.25rem 0;
}

.stack-form label {
  display: grid;
  gap: 0.35rem;
  font-weight: 600;
}

.muted { color: var(--ink-soft); }

.help-block {
  margin-top: 1.4rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line);
}

.help-block:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.tip, .related {
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.footer {
  margin-top: 1.5rem;
  color: var(--ink-soft);
  font-size: 0.9rem;
  text-align: center;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

@media (max-width: 900px) {
  .kanban {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .nav-user { display: none; }
  .card-actions .btn,
  .move-select { font-size: 0.85rem; }
  .auth-panel { margin-top: 0.75rem; }
  .card-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .move-form { width: 100%; }
  .move-select { flex: 1 1 auto; }
}