/* DriftLog — warm minimalist meets hand-drawn cartography.
   Palette: Parchment Cream #F5ECD7, Deep Teal North #2C5F5D,
            Amber Bearing #D4845A, Midnight Ink #1A1A2E. */

:root {
  --parchment: #f5ecd7;
  --teal: #2c5f5d;
  --amber: #d4845a;
  --ink: #1a1a2e;

  --bg: var(--parchment);
  --bg-grain: rgba(44, 95, 93, 0.045);
  --surface: #fffaf0;
  --surface-2: #f0e4c9;
  --border: rgba(26, 26, 46, 0.14);
  --border-strong: rgba(26, 26, 46, 0.28);
  --text: var(--ink);
  --text-soft: rgba(26, 26, 46, 0.66);
  --accent: var(--teal);
  --accent-contrast: #fffaf0;
  --bearing: var(--amber);
  --danger: #a4402c;
  --shadow: 0 1px 2px rgba(26, 26, 46, 0.06), 0 8px 24px -12px rgba(26, 26, 46, 0.28);
  --radius: 14px;

  --font-display: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --font-body: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial,
    sans-serif;
}

[data-theme="dark"] {
  --bg: #12121f;
  --bg-grain: rgba(245, 236, 215, 0.035);
  --surface: #1a1a2e;
  --surface-2: #23233c;
  --border: rgba(245, 236, 215, 0.14);
  --border-strong: rgba(245, 236, 215, 0.3);
  --text: #f0e6d2;
  --text-soft: rgba(240, 230, 210, 0.66);
  --accent: #7bbfb8;
  --accent-contrast: #12121f;
  --bearing: #e39a70;
  --danger: #e08a76;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 10px 30px -14px rgba(0, 0, 0, 0.8);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  background-color: var(--bg);
  /* Faint aged-paper grain: two offset radial gradients, no image request. */
  background-image: radial-gradient(var(--bg-grain) 1px, transparent 1px),
    radial-gradient(var(--bg-grain) 1px, transparent 1px);
  background-size: 22px 22px, 22px 22px;
  background-position: 0 0, 11px 11px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.25s ease, color 0.25s ease;
}

h1,
h2,
h3,
legend,
.brand-text strong {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.01em;
}

.is-hidden {
  display: none !important;
}

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

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: var(--accent-contrast);
  padding: 0.6rem 1rem;
  z-index: 10;
}

.skip-link:focus {
  left: 0;
}

:focus-visible {
  outline: 2.5px solid var(--bearing);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ------------------------------- topbar ------------------------------- */

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem clamp(1rem, 4vw, 2.5rem);
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface) 70%, transparent);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 5;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
}

.brand-mark {
  width: 38px;
  height: 38px;
  flex: none;
}

.rose-ring {
  fill: none;
  stroke: var(--accent);
  stroke-width: 1.6;
  opacity: 0.55;
}

.rose-ring--inner {
  stroke-dasharray: 3 4;
  opacity: 0.4;
}

.rose-needle {
  fill: var(--accent);
  opacity: 0.35;
}

.rose-needle-north {
  fill: var(--bearing);
}

.rose-pivot {
  fill: var(--surface);
  stroke: var(--accent);
  stroke-width: 1.4;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
  min-width: 0;
}

.brand-text strong {
  font-size: 1.2rem;
}

.brand-text em {
  font-style: normal;
  font-size: 0.75rem;
  color: var(--text-soft);
  letter-spacing: 0.04em;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

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

.primary-button,
.ghost-button,
.icon-button,
.link-button {
  font: inherit;
  cursor: pointer;
  border-radius: 999px;
  transition: transform 0.12s ease, background-color 0.2s ease, border-color 0.2s ease,
    color 0.2s ease;
}

.primary-button {
  width: 100%;
  padding: 0.8rem 1.25rem;
  border: none;
  background: var(--accent);
  color: var(--accent-contrast);
  font-weight: 600;
  letter-spacing: 0.01em;
}

.primary-button:hover:not(:disabled) {
  transform: translateY(-1px);
}

.primary-button:disabled {
  opacity: 0.55;
  cursor: progress;
}

.ghost-button {
  padding: 0.45rem 0.95rem;
  border: 1px solid var(--border-strong);
  background: transparent;
  color: var(--text);
  font-size: 0.85rem;
}

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

.icon-button {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border: 1px solid var(--border-strong);
  background: transparent;
  color: var(--text);
  font-size: 1.05rem;
}

.icon-button:hover {
  border-color: var(--bearing);
  color: var(--bearing);
}

.link-button {
  border: none;
  background: none;
  color: var(--accent);
  text-decoration: underline;
  padding: 0.4rem;
  font-size: 0.85rem;
}

/* -------------------------------- layout ------------------------------ */

main {
  max-width: 1080px;
  margin: 0 auto;
  padding: clamp(1.25rem, 4vw, 2.5rem) clamp(1rem, 4vw, 2.5rem) 3rem;
}

.layout {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  align-items: start;
}

.stack {
  display: grid;
  gap: 1.25rem;
}

@media (max-width: 860px) {
  .layout {
    grid-template-columns: minmax(0, 1fr);
  }
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: clamp(1.1rem, 3vw, 1.6rem);
}

.card--auth {
  max-width: 460px;
  margin: 3vh auto 0;
}

.card-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
}

.card-title {
  margin: 0 0 0.25rem;
  font-size: 1.25rem;
}

.card-sub {
  margin: 0 0 1.25rem;
  color: var(--text-soft);
  font-size: 0.9rem;
}

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

.auth-heading {
  margin: 0 0 0.5rem;
  font-size: 1.7rem;
}

.auth-blurb {
  margin: 0 0 1.5rem;
  color: var(--text-soft);
  font-size: 0.92rem;
}

.tabs {
  display: flex;
  gap: 0.25rem;
  padding: 0.25rem;
  background: var(--surface-2);
  border-radius: 999px;
  margin-bottom: 1.25rem;
}

.tab {
  flex: 1;
  font: inherit;
  font-size: 0.9rem;
  padding: 0.5rem 0.75rem;
  border: none;
  border-radius: 999px;
  background: transparent;
  color: var(--text-soft);
  cursor: pointer;
}

.tab.is-active {
  background: var(--surface);
  color: var(--text);
  font-weight: 600;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.08);
}

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

/* -------------------------------- fields ------------------------------ */

.field {
  display: grid;
  gap: 0.35rem;
}

.field > span {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-soft);
}

input[type="email"],
input[type="password"],
input[type="text"],
textarea {
  font: inherit;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  padding: 0.7rem 0.85rem;
  width: 100%;
  resize: vertical;
}

input::placeholder,
textarea::placeholder {
  color: color-mix(in srgb, var(--text-soft) 65%, transparent);
}

.hint {
  color: var(--text-soft);
  font-size: 0.78rem;
}

.fieldset {
  border: none;
  padding: 0;
  margin: 0 0 1.25rem;
}

.fieldset legend {
  padding: 0;
  margin-bottom: 0.6rem;
  font-size: 0.95rem;
}

/* ----------------------------- category grid -------------------------- */

.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(112px, 1fr));
  gap: 0.5rem;
}

.category {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  padding: 0.6rem 0.7rem;
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  background: transparent;
  color: var(--text);
  cursor: pointer;
  text-align: left;
  font: inherit;
  transition: border-color 0.15s ease, background-color 0.15s ease, transform 0.12s ease;
}

.category:hover {
  transform: translateY(-1px);
  border-color: var(--accent);
}

.category[aria-pressed="true"] {
  border-color: var(--bearing);
  background: color-mix(in srgb, var(--bearing) 14%, transparent);
}

.category-name {
  font-weight: 600;
  font-size: 0.92rem;
  text-transform: lowercase;
}

.category-bearing {
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--text-soft);
  font-variant-numeric: tabular-nums;
}

/* -------------------------------- slider ------------------------------ */

.slider {
  width: 100%;
  accent-color: var(--bearing);
}

.slider-scale {
  display: flex;
  justify-content: space-between;
  font-size: 0.72rem;
  color: var(--text-soft);
  letter-spacing: 0.04em;
}

.intensity-out {
  display: inline-grid;
  place-items: center;
  min-width: 1.7rem;
  height: 1.7rem;
  margin-left: 0.35rem;
  border-radius: 999px;
  background: var(--bearing);
  color: #fffaf0;
  font-size: 0.85rem;
  font-weight: 700;
  font-family: var(--font-body);
}

/* --------------------------------- rose ------------------------------- */

.rose-wrap {
  display: grid;
  place-items: center;
  padding: 0.5rem 0 0.25rem;
}

#rose {
  width: min(280px, 100%);
  height: auto;
}

.rose-summary {
  margin: 0.5rem 0 0;
  text-align: center;
  color: var(--text-soft);
  font-size: 0.88rem;
}

.rose-summary strong {
  color: var(--text);
}

/* ------------------------------- timeline ----------------------------- */

.timeline {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0 0 0 1.1rem;
  border-left: 2px dashed var(--border-strong);
  display: grid;
  gap: 1rem;
  max-height: 460px;
  overflow-y: auto;
}

.pin {
  position: relative;
}

.pin::before {
  content: "";
  position: absolute;
  left: calc(-1.1rem - 6px);
  top: 0.45rem;
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--bearing);
  border: 2px solid var(--surface);
}

.pin-head {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.pin-category {
  font-weight: 700;
  text-transform: lowercase;
  color: var(--accent);
}

.pin-meta {
  font-size: 0.75rem;
  color: var(--text-soft);
  letter-spacing: 0.03em;
  font-variant-numeric: tabular-nums;
}

.pin-dots {
  letter-spacing: 0.12em;
  color: var(--bearing);
  font-size: 0.8rem;
}

.pin-note {
  margin: 0.15rem 0 0;
  font-size: 0.94rem;
}

.pin-delete {
  position: absolute;
  top: 0;
  right: 0;
  border: none;
  background: none;
  color: var(--text-soft);
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
  padding: 0.2rem 0.35rem;
  border-radius: 6px;
  opacity: 0;
  transition: opacity 0.15s ease, color 0.15s ease;
}

.pin:hover .pin-delete,
.pin-delete:focus-visible {
  opacity: 1;
}

.pin-delete:hover {
  color: var(--danger);
}

.empty-state {
  margin: 1rem 0 0;
  color: var(--text-soft);
  font-size: 0.9rem;
  font-style: italic;
}

/* ------------------------------- messages ----------------------------- */

.message {
  margin: 0.4rem 0 0;
  font-size: 0.85rem;
  min-height: 1.2em;
}

.message.is-error {
  color: var(--danger);
}

.message.is-ok {
  color: var(--accent);
}

.boot-error {
  max-width: 560px;
  margin: 4rem auto;
  padding: 1.25rem;
  border: 1px solid var(--danger);
  border-radius: var(--radius);
  color: var(--danger);
  background: var(--surface);
}

.footer {
  padding: 1.5rem;
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-soft);
  border-top: 1px solid var(--border);
}

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