/* ── Parthenon entry pages — design system ──────────────────────────────
   Calm, modern, a little editorial. Warm paper + ink, one lapis accent.
   Light/dark via prefers-color-scheme. No frameworks, no external assets. */

:root {
  color-scheme: light;
  --bg: #f5f3ed;
  --surface: #fdfcf9;
  --ink: #221f19;
  --muted: #6f6a5e;
  --faint: #a49e90;
  --line: #e4dfd2;
  --line-strong: #d2ccbc;

  --accent: #2b5fae;
  --accent-hover: #234f92;
  --accent-ink: #ffffff;
  --accent-soft: rgba(43, 95, 174, 0.07);
  --ring: rgba(43, 95, 174, 0.28);

  --err: #a04a35;
  --err-soft: rgba(160, 74, 53, 0.08);
  --ok: #3e7d53;

  --shadow: 0 1px 2px rgba(35, 28, 15, 0.04), 0 24px 60px -28px rgba(35, 28, 15, 0.25);
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* ── Themes ──────────────────────────────────────────────────────────────
   The theme is a token set selected by `data-theme` on <html>. assets/theme.js
   sets it before first paint (localStorage choice, or the OS when "system").
   Every component reads these tokens, so a new theme is ONLY a value block. */

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #14161a;
  --surface: #1b1e24;
  --ink: #e9e7e0;
  --muted: #98948a;
  --faint: #6b675e;
  --line: #2b2f37;
  --line-strong: #3a3f49;

  --accent: #8ab0ea;
  --accent-hover: #a3c2f2;
  --accent-ink: #10121a;
  --accent-soft: rgba(138, 176, 234, 0.08);
  --ring: rgba(138, 176, 234, 0.3);

  --err: #de9483;
  --err-soft: rgba(222, 148, 131, 0.09);
  --ok: #8ec9a3;

  --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 24px 60px -28px rgba(0, 0, 0, 0.6);
}

/* no-JS fallback: follow the OS until theme.js has stamped data-theme */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    color-scheme: dark;
    --bg: #14161a;
    --surface: #1b1e24;
    --ink: #e9e7e0;
    --muted: #98948a;
    --faint: #6b675e;
    --line: #2b2f37;
    --line-strong: #3a3f49;

    --accent: #8ab0ea;
    --accent-hover: #a3c2f2;
    --accent-ink: #10121a;
    --accent-soft: rgba(138, 176, 234, 0.08);
    --ring: rgba(138, 176, 234, 0.3);

    --err: #de9483;
    --err-soft: rgba(222, 148, 131, 0.09);
    --ok: #8ec9a3;

    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 24px 60px -28px rgba(0, 0, 0, 0.6);
  }
}

/* Azure — pure white, vivid blue accent (light) */
:root[data-theme="azure"] {
  color-scheme: light;
  --bg: #ffffff;
  --surface: #ffffff;
  --ink: #16202e;
  --muted: #5b6878;
  --faint: #93a0b1;
  --line: #e4e8ef;
  --line-strong: #cdd5e1;

  --accent: #1d63e0;
  --accent-hover: #174fb5;
  --accent-ink: #ffffff;
  --accent-soft: rgba(29, 99, 224, 0.06);
  --ring: rgba(29, 99, 224, 0.28);

  --err: #b3442e;
  --err-soft: rgba(179, 68, 46, 0.07);
  --ok: #2e7d4f;

  --shadow: 0 1px 2px rgba(20, 30, 50, 0.05), 0 24px 60px -28px rgba(20, 30, 50, 0.22);
}

/* Olympus gold — warm marble, bronze-gold accent (light) */
:root[data-theme="gold"] {
  color-scheme: light;
  --bg: #f7f3e9;
  --surface: #fefaf1;
  --ink: #26200f;
  --muted: #776c52;
  --faint: #a89c7f;
  --line: #e8e0c9;
  --line-strong: #d6ccae;

  --accent: #8a6510;
  --accent-hover: #715208;
  --accent-ink: #ffffff;
  --accent-soft: rgba(138, 101, 16, 0.08);
  --ring: rgba(138, 101, 16, 0.28);

  --err: #a04a35;
  --err-soft: rgba(160, 74, 53, 0.08);
  --ok: #3e7d53;

  --shadow: 0 1px 2px rgba(46, 36, 10, 0.05), 0 24px 60px -28px rgba(46, 36, 10, 0.28);
}

/* Olive grove — deep green-charcoal, laurel accent (dark) */
:root[data-theme="olive"] {
  color-scheme: dark;
  --bg: #141711;
  --surface: #1b1f17;
  --ink: #e8e9dd;
  --muted: #9aa08b;
  --faint: #6c7260;
  --line: #2b3123;
  --line-strong: #3b4230;

  --accent: #a9c46a;
  --accent-hover: #bcd581;
  --accent-ink: #151a0d;
  --accent-soft: rgba(169, 196, 106, 0.09);
  --ring: rgba(169, 196, 106, 0.3);

  --err: #de9483;
  --err-soft: rgba(222, 148, 131, 0.09);
  --ok: #8ec9a3;

  --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 24px 60px -28px rgba(0, 0, 0, 0.6);
}

/* ── Base ── */
* { box-sizing: border-box; }
html { height: 100%; }
body {
  margin: 0;
  min-height: 100svh;
  background:
    radial-gradient(1100px 560px at 50% -8%, var(--accent-soft), transparent 62%),
    var(--bg);
  color: var(--ink);
  font: 400 15px/1.55 var(--sans);
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
}

/* thin editorial rule across the very top */
body::before {
  content: "";
  position: fixed;
  inset: 0 0 auto 0;
  height: 2px;
  background: var(--accent);
  opacity: 0.85;
  z-index: 10;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ── Wordmark ── */
.wordmark {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-align: center;
}
.wordmark:hover { text-decoration: none; }
.wordmark .mark { color: var(--accent); }
.wordmark .word {
  font: 400 21px/1 var(--serif);
  text-transform: uppercase;
  letter-spacing: 0.34em;
  margin-right: -0.34em; /* optically re-center the tracked text */
}
.wordmark .org {
  font: 500 10px/1 var(--sans);
  text-transform: uppercase;
  letter-spacing: 0.32em;
  margin-right: -0.32em;
  color: var(--faint);
}

/* compact horizontal variant (landing header) */
.wordmark--row { flex-direction: row; gap: 12px; }
.wordmark--row .word { font-size: 15px; }
.wordmark--row .mark { width: 26px; height: auto; }

/* ── Auth layout ── */
.auth-wrap {
  flex: 1;
  display: grid;
  place-items: center;
  padding: 48px 20px;
}
.card {
  width: 100%;
  max-width: 400px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 44px 40px 36px;
  animation: rise 0.45s cubic-bezier(0.2, 0.7, 0.2, 1) both;
}
@keyframes rise {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: none; }
}

.card .wordmark { width: 100%; margin-bottom: 30px; }

.card h1 {
  font: 400 24px/1.25 var(--serif);
  letter-spacing: 0.01em;
  margin: 0 0 6px;
  text-align: center;
}
.card .lede {
  margin: 0 0 28px;
  text-align: center;
  color: var(--muted);
  font-size: 14px;
}

/* ── Fields ── */
.field { margin-bottom: 18px; }
.field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.01em;
  margin-bottom: 6px;
}
.field .hint {
  display: block;
  margin-top: 5px;
  font-size: 12.5px;
  color: var(--faint);
}
.field input {
  width: 100%;
  padding: 11px 14px;
  font: 400 15px/1.4 var(--sans);
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.field input::placeholder { color: var(--faint); }
.field input:hover { border-color: var(--muted); }
.field input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--ring);
}

/* password + show/hide toggle */
.pw-wrap { position: relative; }
.pw-wrap input { padding-right: 64px; }
.pw-toggle {
  position: absolute;
  top: 50%;
  right: 8px;
  transform: translateY(-50%);
  border: 0;
  background: none;
  padding: 5px 8px;
  font: 500 12.5px/1 var(--sans);
  color: var(--muted);
  cursor: pointer;
  border-radius: 6px;
}
.pw-toggle:hover { color: var(--ink); }

/* ── Error line — calm, not alarming ── */
.form-error {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin: 0 0 16px;
  padding: 10px 13px;
  font-size: 13.5px;
  color: var(--err);
  background: var(--err-soft);
  border-radius: 9px;
  animation: settle 0.3s ease both;
}
.form-error::before {
  content: "";
  flex: none;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  transform: translateY(-1px);
}
.form-error[hidden] { display: none; }
@keyframes settle {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: none; }
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 12px 18px;
  border: 0;
  border-radius: 10px;
  background: var(--accent);
  color: var(--accent-ink);
  font: 600 15px/1.3 var(--sans);
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
}
.btn:hover:not(:disabled) {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px -8px var(--ring);
}
.btn:active:not(:disabled) { transform: none; box-shadow: none; }
.btn:disabled { opacity: 0.65; cursor: default; }

.btn .spinner {
  flex: none;
  width: 15px;
  height: 15px;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
.btn .spinner[hidden] { display: none; }
@keyframes spin { to { transform: rotate(360deg); } }

.btn--ghost {
  width: auto;
  background: none;
  color: var(--muted);
  border: 1px solid var(--line-strong);
  padding: 8px 16px;
  font-size: 13.5px;
}
.btn--ghost:hover:not(:disabled) {
  background: var(--accent-soft);
  color: var(--ink);
  border-color: var(--muted);
  transform: none;
  box-shadow: none;
}

/* ── Under-form link ── */
.alt-link {
  margin: 22px 0 0;
  text-align: center;
  font-size: 13.5px;
  color: var(--muted);
}
/* a button that reads as a link (#42: "Forgot password?") */
.link-btn {
  border: 0;
  background: none;
  padding: 0;
  color: var(--accent);
  font: inherit;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 2px;
}
.link-btn:hover { color: var(--accent-hover); }

/* ── Success state ── */
.card-success { display: none; }
.card.is-success form,
.card.is-success .alt-link { display: none; }
.card.is-success .card-success {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding: 18px 0 8px;
  text-align: center;
  animation: rise 0.4s ease both;
}
.card-success .check { color: var(--ok); }
.card-success .check circle {
  stroke-dasharray: 132;
  stroke-dashoffset: 132;
  animation: draw 0.5s 0.05s ease-out forwards;
}
.card-success .check path {
  stroke-dasharray: 36;
  stroke-dashoffset: 36;
  animation: draw 0.3s 0.4s ease-out forwards;
}
@keyframes draw { to { stroke-dashoffset: 0; } }
.card-success h2 { font: 400 21px/1.3 var(--serif); margin: 0; }
.card-success p { margin: 0; color: var(--muted); font-size: 14px; }

/* ── Theme picker (built by assets/theme.js) ── */
.theme-picker { display: inline-flex; align-items: center; gap: 6px; cursor: pointer; }
.theme-glyph { font-size: 14px; line-height: 1; color: var(--muted); }
.theme-picker select {
  padding: 6px 8px;
  font: 500 12.5px/1.2 var(--sans);
  color: var(--muted);
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease;
}
.theme-picker select:hover { color: var(--ink); border-color: var(--muted); }
.theme-picker select:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.theme-picker--corner { position: fixed; top: 12px; right: 14px; z-index: 30; }

/* ── Page footer ── */
.page-foot {
  padding: 26px 20px 30px;
  text-align: center;
  font-size: 11.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--faint);
}
.page-foot .sep { margin: 0 8px; opacity: 0.6; }

/* ── Landing shell ── */
.shell-header {
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface) 72%, transparent);
  backdrop-filter: blur(8px);
}
.shell-header .inner,
.shell-main {
  width: 100%;
  max-width: 1020px;
  margin: 0 auto;
  padding: 0 24px;
}
.shell-header .inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 62px;
}
.shell-header .who {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}
.shell-header .who .name {
  font-size: 13.5px;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.badge {
  display: inline-block;
  padding: 3px 10px 4px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font: 600 10.5px/1 var(--sans);
  text-transform: uppercase;
  letter-spacing: 0.18em;
}

.shell-main { flex: 1; padding-top: 72px; padding-bottom: 48px; }
.eyebrow {
  font: 500 11.5px/1 var(--sans);
  text-transform: uppercase;
  letter-spacing: 0.28em;
  color: var(--accent);
  margin: 0 0 14px;
}
.shell-main h1 {
  font: 400 clamp(30px, 5vw, 42px)/1.15 var(--serif);
  letter-spacing: 0.005em;
  margin: 0 0 10px;
}
.shell-main .sub {
  margin: 0;
  max-width: 52ch;
  color: var(--muted);
  font-size: 15.5px;
}

.hall-label {
  margin: 56px 0 16px;
  font: 500 11.5px/1 var(--sans);
  text-transform: uppercase;
  letter-spacing: 0.28em;
  color: var(--faint);
  display: flex;
  align-items: center;
  gap: 14px;
}
.hall-label::after { content: ""; flex: 1; height: 1px; background: var(--line); }

.halls {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}
.hall {
  border: 1px dashed var(--line-strong);
  border-radius: 14px;
  padding: 22px 22px 20px;
  transition: border-color 0.2s ease, background 0.2s ease;
}
.hall:hover { border-color: var(--muted); background: var(--accent-soft); }
.hall h3 { font: 400 18px/1.2 var(--serif); margin: 0 0 6px; }
.hall .state {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  color: var(--faint);
}
.hall .state::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--faint);
  animation: breathe 2.6s ease-in-out infinite;
}
@keyframes breathe { 0%, 100% { opacity: 0.35; } 50% { opacity: 1; } }

/* boot state: hide the shell until /api/auth/me answers */
body.booting .shell-header,
body.booting .shell-main,
body.booting .page-foot { visibility: hidden; }
.boot-hint {
  position: fixed;
  inset: 0;
  display: none;
  place-items: center;
  color: var(--faint);
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
body.booting .boot-hint { display: grid; }
.boot-hint span { animation: breathe 1.6s ease-in-out infinite; }

/* ── Small screens ── */
@media (max-width: 480px) {
  .card { padding: 34px 24px 28px; border-radius: 14px; }
  .auth-wrap { padding: 28px 14px; align-items: start; }
  .shell-header .who .name { display: none; }
  .shell-main { padding-top: 48px; }
}

/* ── Reduced motion ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .card-success .check circle,
  .card-success .check path { stroke-dashoffset: 0; }
}
