:root {
  --paper: #f4f1ea;
  --paper-deep: #deddd7;
  --surface: #fbfaf6;
  --ink: #283134;
  --muted: #687275;
  --teal: #1c6d6d;
  --teal-dark: #124f50;
  --teal-pale: #d8e8e6;
  --ochre: #c49a55;
  --terracotta: #a95f4b;
  --line: #cfd4d1;
  --danger: #9c3f38;
  --shadow: 0 20px 55px rgba(31, 50, 51, 0.08);
  --shadow-lift: 0 25px 65px rgba(31, 50, 51, 0.14);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background: var(--paper-deep);
  font-family: "Source Sans 3", "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.55;
}

button, input, textarea, select { font: inherit; }
a { color: inherit; }
.container { width: min(1080px, 92vw); margin-inline: auto; }
.hidden { display: none !important; }
.skip-link {
  position: fixed;
  left: 1rem;
  top: -5rem;
  z-index: 100;
  padding: .6rem .9rem;
  color: white;
  background: var(--teal-dark);
}
.skip-link:focus { top: 1rem; }
.page-wash {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(105deg, rgba(255,255,255,.38), transparent 35%),
    radial-gradient(circle at 90% 0, rgba(28,109,109,.15), transparent 30%),
    repeating-linear-gradient(90deg, rgba(40,49,52,.025) 0 1px, transparent 1px 120px);
}

h1, h2, h3, h4, .wordmark {
  margin: 0;
  font-family: "Merriweather", Georgia, serif;
  line-height: 1.2;
}
h1 { font-size: clamp(2.25rem, 5.8vw, 4.9rem); letter-spacing: -.045em; }
h2 { font-size: clamp(1.55rem, 3vw, 2.35rem); font-weight: 400; }
h3, h4 { font-size: clamp(1.16rem, 2vw, 1.45rem); }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 0 2.5rem;
}
.wordmark { display: inline-flex; align-items: center; gap: .7rem; text-decoration: none; font-size: .95rem; }
.wordmark-mark {
  display: grid;
  place-items: center;
  width: 2.65rem;
  aspect-ratio: 1;
  border-radius: 50% 50% 44% 56%;
  color: white;
  background: var(--teal);
  font-family: "Source Sans 3", sans-serif;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .08em;
}
.quiet-link { color: var(--muted); font-size: .88rem; text-underline-offset: 3px; }
.quiet-link:hover { color: var(--teal-dark); }
.topbar-links { display: flex; align-items: center; justify-content: flex-end; flex-wrap: wrap; gap: .65rem 1rem; }
.topbar-links .header-portfolio { min-height: 2.45rem; padding: .5rem .75rem; gap: .4rem; font-size: .85rem; }

.hero { position: relative; z-index: 1; padding-bottom: 1.5rem; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(320px, .8fr); gap: 1.25rem; align-items: end; }
.hero-copy-block { padding: 2.75rem 1rem 2.2rem 0; }
.eyebrow, .section-kicker, .hero-feature-label, .hero-note-label {
  margin: 0;
  color: var(--teal);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.hero-title { max-width: 14ch; font-weight: 400; }
.hero-title em { color: var(--teal); font-weight: 400; }
.hero-copy { max-width: 52ch; margin: 1.25rem 0 .8rem; color: #4d595b; font-family: "Merriweather", Georgia, serif; font-size: 1.02rem; }
.host-inline { margin: 0; color: var(--muted); font-size: .95rem; }
.speaker-portfolio-link { color: var(--teal-dark); text-decoration-color: rgba(28,109,109,.42); text-underline-offset: 3px; }
.hero-notes { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; max-width: 35rem; margin-top: 1.7rem; background: var(--line); border: 1px solid var(--line); }
.hero-note { padding: .85rem 1rem; background: rgba(251,250,246,.82); }
.hero-note-label { color: var(--muted); letter-spacing: .1em; }
.hero-note strong { display: block; margin-top: .2rem; font-size: .95rem; }

.panel { position: relative; z-index: 1; margin: 1.25rem 0; padding: 1.5rem; border: 1px solid var(--line); background: rgba(251,250,246,.94); box-shadow: var(--shadow); }
.panel-hero { overflow: hidden; min-height: 25rem; padding: 1.65rem; background: var(--teal); color: white; border: 0; box-shadow: var(--shadow-lift); }
.panel-hero::after { content: ""; position: absolute; right: -5rem; bottom: -6rem; width: 17rem; aspect-ratio: 1; border: 1px solid rgba(255,255,255,.18); border-radius: 48% 52% 58% 42%; transform: rotate(18deg); }
.hero-feature-label { color: #cde6e3; }
.hero-feature-card { position: relative; z-index: 1; display: grid; gap: .65rem; margin-top: 2.3rem; }
.hero-feature-card p { margin: 0; }
.hero-feature-title { font-family: "Merriweather", Georgia, serif; font-size: clamp(1.35rem, 2.8vw, 2rem); }
.hero-feature-meta, .card-meta { display: flex; flex-wrap: wrap; gap: .4rem; color: var(--muted); font-size: .88rem; }
.panel-hero .hero-feature-meta, .panel-hero .speaker-detail, .panel-hero .hero-feature-copy { color: #d9e8e6; }
.hero-feature-copy { overflow: auto; max-height: 10rem; padding-right: .3rem; overflow-wrap: anywhere; }
.hero-feature-actions { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: .35rem; }
.hero-feature-actions a { border-color: rgba(255,255,255,.6); color: white; background: transparent; }
.hero-feature-actions .register-link { color: var(--teal-dark); background: white; }
.hero-feature-empty { padding-top: 2rem; }

main { position: relative; z-index: 1; }
.panel-head { display: flex; align-items: end; justify-content: space-between; gap: 1rem; padding-bottom: .9rem; border-bottom: 1px solid var(--line); }
.section-kicker { margin-bottom: .25rem; }
.seminar-months { display: grid; gap: 1.75rem; margin-top: 1.25rem; }
.seminar-month-heading { display: flex; align-items: center; gap: .85rem; color: var(--muted); font-family: "Source Sans 3", "Segoe UI", sans-serif; font-size: .88rem; font-weight: 600; letter-spacing: .04em; }
.seminar-month-heading::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.seminar-month-group .cards { margin-top: .75rem; }
.cards { display: grid; gap: 1px; margin-top: 1.25rem; background: var(--line); }
.card { min-width: 0; padding: 1.2rem; background: white; animation: rise .35s ease both; transition: background .18s ease; }
.card:hover { background: #f7fbfa; }
.card-shell { display: grid; grid-template-columns: 5rem minmax(0, 1fr); gap: 1.2rem; align-items: start; }
.card-date-block { padding: .55rem; text-align: center; color: var(--teal-dark); background: var(--teal-pale); }
.card-date-month, .card-date-weekday { display: block; font-size: .68rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.card-date-day { display: block; font-family: "Merriweather", Georgia, serif; font-size: 1.85rem; line-height: 1.2; }
.card-main { display: grid; gap: .48rem; }
.card-main p { margin: 0; }
.chip { width: fit-content; color: var(--terracotta); font-size: .7rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.speaker { font-weight: 600; }
.speaker-detail, .abstract { color: var(--muted); }
.abstract { overflow-wrap: anywhere; }
.card-actions { display: flex; flex-wrap: wrap; gap: .55rem; margin-top: .25rem; }
.register-link, .calendar-link, .button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.65rem;
  padding: .55rem .85rem;
  border: 1px solid var(--teal);
  border-radius: 2px;
  color: white;
  background: var(--teal);
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
}
.calendar-link, .button-secondary { color: var(--teal-dark); background: transparent; }
.register-link:hover, .button-primary:hover { background: var(--teal-dark); }
.calendar-link:hover, .button-secondary:hover { background: var(--teal-pale); }
.cards-past .card { background: #f5f3ed; }
.cards-past .card:hover { background: white; }
.cards-past .card-date-block { color: #586264; background: #e6e6e1; }
.empty { margin: 1rem 0 0; color: var(--muted); }
.footer { position: relative; z-index: 1; display: flex; justify-content: space-between; gap: 1rem; padding: 1.2rem 0 3rem; color: var(--muted); font-size: .9rem; }
.footer p { margin: 0; }

/* Admin */
.admin-body { background: var(--paper); }
.admin-body .container { width: min(1120px, 92vw); }
.admin-body .button { min-height: 3rem; padding: .7rem 1rem; font-size: 1rem; }
.admin-header { position: relative; z-index: 1; padding-bottom: 1rem; }
.admin-title-row { display: flex; justify-content: space-between; align-items: end; gap: 1rem; }
.admin-title-row h1 { font-size: clamp(2rem, 4vw, 3rem); font-weight: 400; }
.admin-lede { max-width: 46rem; color: var(--muted); }
.auth-card { max-width: 31rem; margin: 4rem auto; }
.auth-card h2 { margin-bottom: .4rem; }
.auth-card p { color: var(--muted); }
.admin-grid { display: grid; grid-template-columns: minmax(0, 1fr); margin: 1.25rem 0 3rem; }
.admin-grid > .panel { min-width: 0; margin: 0; padding: clamp(1.25rem, 3vw, 2rem); scroll-margin-top: 1rem; }
.editor-panel { position: static; }
.panel-toolbar { display: flex; align-items: center; justify-content: space-between; gap: .75rem; margin-bottom: 1rem; }
.panel-toolbar h2 { font-size: 1.45rem; }
.panel-toolbar-actions { display: flex; flex-wrap: wrap; gap: .75rem; }
.editor-help { margin: 0 0 1.75rem; color: var(--muted); }
.editor-panel .event-form { gap: 1.75rem; }
.editor-section { min-width: 0; margin: 0; padding: 0; border: 0; }
.editor-section legend { width: 100%; margin-bottom: 1rem; padding: 0 0 .65rem; border-bottom: 1px solid var(--line); color: var(--teal-dark); font-size: 1.08rem; font-weight: 700; }
.editor-panel .form-grid { gap: 1.25rem 1.5rem; }
.admin-body .field { min-width: 0; gap: .5rem; }
.admin-body .field label { font-size: 1rem; }
.admin-body input:not([type="hidden"]), .admin-body select, .admin-body textarea { min-width: 0; min-height: 3.25rem; padding: .85rem 1rem; font-size: 1.05rem; }
.editor-panel textarea { min-height: 5.5rem; line-height: 1.6; }
.editor-panel #abstract { min-height: 14rem; }
.field-note { margin: .15rem 0 0; color: var(--muted); font-size: .9rem; }
.editor-panel .form-actions { gap: .85rem; padding-top: 1.25rem; border-top: 1px solid var(--line); }
.event-form { display: grid; gap: .85rem; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .75rem; }
.field { display: grid; gap: .28rem; }
.field-wide { grid-column: 1 / -1; }
.field label { color: #465153; font-size: .82rem; font-weight: 700; }
.field .hint { color: var(--muted); font-size: .75rem; font-weight: 400; }
input, textarea, select {
  width: 100%;
  border: 1px solid #b9c1bf;
  border-radius: 2px;
  padding: .62rem .68rem;
  color: var(--ink);
  background: white;
}
textarea { min-height: 8rem; resize: vertical; }
input:focus, textarea:focus, select:focus, button:focus-visible, a:focus-visible { outline: 3px solid rgba(196,154,85,.58); outline-offset: 2px; }
.form-actions { display: flex; flex-wrap: wrap; gap: .6rem; padding-top: .25rem; }
.button { appearance: none; }
.button-quiet { min-height: auto; padding: .25rem; border: 0; color: var(--muted); background: transparent; text-decoration: underline; text-underline-offset: 3px; }
.button-danger { border-color: var(--danger); color: var(--danger); background: transparent; }
.button-danger:hover { color: white; background: var(--danger); }
.button:disabled { cursor: wait; opacity: .58; }
.status { min-height: 1.5rem; margin: 0; color: var(--muted); font-size: .88rem; }
.status[data-kind="error"] { color: var(--danger); }
.status[data-kind="success"] { color: var(--teal-dark); }
.admin-events { display: grid; gap: 1rem; margin-top: 1rem; }
.admin-event { padding: 1.5rem; border: 1px solid var(--line); background: white; }
.admin-event-top { display: flex; justify-content: space-between; align-items: start; gap: 1rem; }
.admin-event-top > div:first-child { min-width: 0; overflow-wrap: anywhere; }
.admin-event h3 { font-size: 1.2rem; line-height: 1.45; }
.admin-event p { margin: .5rem 0 0; color: var(--muted); font-size: 1rem; }
.admin-event-actions { display: flex; flex-shrink: 0; gap: .75rem; }
.visibility-badge { display: inline-block; margin-top: .55rem; padding: .12rem .4rem; color: var(--teal-dark); background: var(--teal-pale); font-size: .7rem; font-weight: 700; text-transform: uppercase; }
.visibility-badge.draft { color: #6b4b15; background: #f3e5bf; }
.danger-zone { margin-top: 1rem; padding-top: 1rem; border-top: 1px solid var(--line); }

dialog { width: min(30rem, calc(100vw - 2rem)); border: 1px solid var(--line); padding: 0; color: var(--ink); background: var(--surface); box-shadow: var(--shadow-lift); }
dialog::backdrop { background: rgba(18,35,37,.55); }
.dialog-content { padding: 1.4rem; }
.dialog-content p { color: var(--muted); }
.dialog-actions { display: flex; justify-content: flex-end; gap: .6rem; margin-top: 1.2rem; }
.noscript { margin: 2rem auto; padding: 1rem; color: white; background: var(--danger); }

@keyframes rise { from { opacity: 0; transform: translateY(5px); } to { opacity: 1; transform: none; } }

@media (max-width: 780px) {
  body { font-size: 16px; }
  .hero-grid, .admin-grid { grid-template-columns: 1fr; }
  .hero-copy-block { padding: 1rem 0; }
  .panel-hero { min-height: auto; }
  .editor-panel { position: static; }
  .admin-title-row { align-items: start; flex-direction: column; }
  .editor-panel .form-grid { grid-template-columns: minmax(0, 1fr); }
  .editor-panel .field-wide { grid-column: auto; }
  .admin-event-top { flex-direction: column; }
  .admin-body .panel-toolbar { align-items: start; flex-wrap: wrap; }
}

@media (max-width: 520px) {
  .topbar { padding-bottom: 1.2rem; }
  .wordmark span:last-child { display: none; }
  .hero-notes, .form-grid { grid-template-columns: 1fr; }
  .field-wide { grid-column: auto; }
  .card-shell { grid-template-columns: 1fr; }
  .card-date-block { display: flex; align-items: baseline; gap: .45rem; width: fit-content; }
  .card-date-day { font-size: 1.35rem; }
  .admin-event-top { flex-direction: column; }
  .admin-event { padding: 1.15rem; }
  .admin-event-actions { width: 100%; }
  .admin-event-actions .button, .editor-panel .form-actions .button { flex: 1; }
  .footer { align-items: center; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}