/* Public event site look and feel, ported from the standalone idvkm-tech-exchange app
   (events.idvkm.local) so events.idvkm.com matches it.

   Everything here is scoped to `body.events-site`, which the templates set only for visitors
   with no session. Signed-in staff keep the Goals-integrated styling from events.css, so this
   file can never affect the admin UI. */

body.events-site {
  /* Event-site palette — deliberately its own token set, not the --idvkm-* one. */
  --ev-bg: #0d0f12;
  --ev-surface: #161a20;
  --ev-surface-alt: #1c2129;
  --ev-border: #2a313c;
  --ev-text: #e6e9ef;
  --ev-muted: #8b92a0;
  --ev-accent: #3b82f6;
  --ev-break: #f59e0b;
  --ev-font: "DM Sans", system-ui, sans-serif;
  --ev-mono: "JetBrains Mono", monospace;
  --ev-radius: 12px;
  --ev-radius-sm: 8px;
  --ev-bg-image: none;

  margin: 0;
  font-family: var(--ev-font);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--ev-text);
  background: var(--ev-bg);
  min-height: 100vh;
  position: relative;
}

/* Set on <html> by an inline head script so the choice applies before first paint. */
html[data-ev-theme="light"] body.events-site {
  --ev-bg: #e9edf4;
  --ev-surface: #f2f5fa;
  --ev-surface-alt: #e3e8f1;
  --ev-border: #bcc7d8;
  --ev-text: #1d293d;
  --ev-muted: #56627a;
  --ev-accent: #315fd1;
}

/* Fixed, low-opacity backdrop behind everything; set from events-site.js. */
body.events-site::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: var(--ev-bg-image);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0.32;
  pointer-events: none;
  z-index: -1;
}

/* ---------------------------------------------------------------- header */

body.events-site .site-header {
  padding: 1rem 0;
  background: var(--ev-surface);
  border-bottom: 1px solid var(--ev-border);
  box-shadow: none;
  backdrop-filter: none;
}

body.events-site .site-header-inner {
  max-width: 1200px;
  padding: 0 1.5rem;
  gap: 1rem;
}

body.events-site .site-brand-text {
  color: var(--ev-text);
  font-weight: 700;
  letter-spacing: 0.02em;
}

body.events-site .events-header-nav a {
  color: var(--ev-muted);
  font-family: var(--ev-font);
  font-size: 0.9rem;
  padding: 0.35rem 0.7rem;
  border-radius: var(--ev-radius-sm);
}

body.events-site .events-header-nav a:hover {
  background: var(--ev-surface-alt);
  color: var(--ev-text);
}

body.events-site .events-header-nav a.is-active {
  background: var(--ev-accent);
  color: #fff;
}

body.events-site .site-logout {
  color: var(--ev-text);
  border: 1px solid var(--ev-border);
  background: var(--ev-surface-alt);
  border-radius: var(--ev-radius-sm);
}

body.events-site .events-theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.1rem;
  height: 2.1rem;
  border-radius: 999px;
  border: 1px solid var(--ev-border);
  background: var(--ev-surface-alt);
  color: var(--ev-text);
  font-size: 0.95rem;
  line-height: 1;
  cursor: pointer;
}

body.events-site .events-theme-toggle:hover {
  border-color: var(--ev-accent);
}

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

/* The Goals container is a bordered card; the event site is an open, centered column. */
body.events-site main.container {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 1.5rem 1rem;
  background: none;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  gap: 0;
}

body.events-site main.container.events-wide {
  max-width: 1200px;
}

body.events-site .panel {
  background: none;
  border: 0;
  border-radius: 0;
  padding: 3rem 0;
}

/* Echo the alternating bands of the original: these two sit on --surface. */
body.events-site .events-countdown-panel,
body.events-site .events-location-panel {
  position: relative;
}

body.events-site .events-countdown-panel::before,
body.events-site .events-location-panel::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 100vw;
  transform: translateX(-50%);
  background: var(--ev-surface);
  border-top: 1px solid var(--ev-border);
  border-bottom: 1px solid var(--ev-border);
  z-index: -1;
}

body.events-site .panel h2 {
  margin: 0 0 1.75rem;
  font-size: 1.125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ev-muted);
}

body.events-site .subtle {
  color: var(--ev-muted);
}

body.events-site a {
  color: var(--ev-accent);
}

/* ---------------------------------------------------------------- hero */

body.events-site .events-hero {
  text-align: center;
  border-left: 0;
  padding: 4rem 0 3rem;
  display: flex;
  flex-direction: column;
  align-items: center;
}

body.events-site .events-hero > * {
  order: 5;
}

body.events-site .events-hero h1 {
  order: 1;
}

body.events-site .events-hero .events-tagline {
  order: 2;
}

body.events-site .events-hero .events-category-chip {
  order: 3;
}

body.events-site .events-hero .events-date {
  order: 4;
}

body.events-site .events-hero h1 {
  margin: 0 0 0.5rem;
  font-size: clamp(2.25rem, 5vw, 3.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--ev-text) 0%, var(--ev-muted) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

body.events-site .events-tagline {
  margin: 0 0 1.5rem;
  font-size: 1.25rem;
  color: var(--ev-muted);
}

/* The original prints category and date as plain mono accent lines, not pills. */
body.events-site .events-category-chip {
  display: block;
  padding: 0;
  border: 0;
  background: none;
  border-radius: 0;
  font-family: var(--ev-mono);
  font-size: 0.95rem;
  letter-spacing: 0;
  text-transform: none;
  color: var(--ev-accent);
  margin-bottom: 0.35rem;
}

body.events-site .events-date {
  font-family: var(--ev-mono);
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--ev-accent);
}

body.events-site .events-hero .subtle,
body.events-site .events-archived-note {
  margin-top: 0.75rem;
}

body.events-site .events-empty {
  text-align: center;
}

/* ---------------------------------------------------------------- countdown */

body.events-site .events-countdown {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

body.events-site .events-countdown-unit {
  text-align: center;
  padding: 1.25rem 1rem;
  background: var(--ev-surface-alt);
  border: 1px solid var(--ev-border);
  border-radius: var(--ev-radius);
  min-width: 0;
}

body.events-site .events-countdown-value {
  display: block;
  font-family: var(--ev-mono);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 500;
  color: var(--ev-accent);
  line-height: 1.2;
}

body.events-site .events-countdown-label {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ev-muted);
}

@media (max-width: 560px) {
  body.events-site .events-countdown {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------------------------------------------------------------- program */

body.events-site .events-timeline {
  display: grid;
  gap: 0.75rem;
  margin-top: 0;
}

body.events-site .events-talk {
  grid-template-columns: 120px 1fr;
  gap: 1.5rem;
  padding: 1rem 1.1rem;
  background: var(--ev-surface-alt);
  border: 1px solid var(--ev-border);
  border-left: 1px solid var(--ev-border);
  border-radius: var(--ev-radius);
  align-items: start;
}

body.events-site .events-talk.is-break {
  background: linear-gradient(180deg, rgba(245, 158, 11, 0.12) 0%, rgba(245, 158, 11, 0.06) 100%);
  border-color: rgba(245, 158, 11, 0.45);
}

body.events-site .events-talk-meta {
  display: grid;
  gap: 0.45rem;
}

body.events-site .events-talk-time {
  font-family: var(--ev-mono);
  font-size: 0.82rem;
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--ev-muted);
}

/* Duration becomes a pill, as in the original. */
body.events-site .events-talk-duration {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  width: fit-content;
  padding: 0.2rem 0.5rem;
  border: 1px solid var(--ev-border);
  border-radius: 999px;
  font-size: 0.78rem;
  color: var(--ev-muted);
  background: var(--ev-surface);
}

body.events-site .events-talk-body h3 {
  margin: 0 0 0.25rem;
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.35;
  color: var(--ev-text);
}

body.events-site .events-talk-speaker {
  margin: 0 0 0.4rem;
  font-size: 0.84rem;
  letter-spacing: 0.01em;
  color: var(--ev-muted);
}

body.events-site .events-talk-desc {
  margin: 0;
  font-size: 0.92rem;
  color: var(--ev-muted);
  line-height: 1.55;
}

@media (max-width: 640px) {
  body.events-site .events-talk {
    grid-template-columns: 1fr;
    gap: 0.6rem;
  }
}

/* ---------------------------------------------------------------- location */

body.events-site .events-location-card {
  display: grid;
  gap: 0.35rem;
  padding: 1.5rem;
  background: var(--ev-surface-alt);
  border: 1px solid var(--ev-border);
  border-radius: var(--ev-radius);
}

body.events-site .events-location-card h3 {
  margin: 0 0 0.3rem;
  font-size: 1.15rem;
  color: var(--ev-text);
}

/* ---------------------------------------------------------------- other events */

body.events-site .events-other-list li {
  gap: 0.6rem;
  font-size: 0.92rem;
}

body.events-site .events-color-dot {
  width: 0.9rem;
  height: 0.9rem;
  border-radius: 4px;
  border: 1px solid var(--ev-border);
}

/* ---------------------------------------------------------------- calendar */

body.events-site .week-nav-panel {
  padding: 0.7rem 1rem;
  background: var(--ev-surface);
  border: 1px solid var(--ev-border);
  border-radius: var(--ev-radius);
}

body.events-site .week-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  text-align: center;
}

body.events-site .week-nav .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.45rem 0.8rem;
  min-width: 2.4rem;
}

body.events-site .period-nav-heading {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
}

body.events-site .period-nav-heading strong {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0;
  background: none;
  -webkit-text-fill-color: inherit;
  color: var(--ev-text);
}

body.events-site .period-nav-panel.is-period-current {
  border-color: rgba(74, 222, 128, 0.55);
  box-shadow: inset 3px 0 0 #22c55e;
}

body.events-site .period-nav-panel.is-period-past {
  border-color: rgba(148, 163, 184, 0.5);
  box-shadow: inset 3px 0 0 #64748b;
}

body.events-site .period-nav-panel.is-period-future {
  border-color: rgba(96, 165, 250, 0.55);
  box-shadow: inset 3px 0 0 #3b82f6;
}

html[data-ev-theme="light"] body.events-site .period-nav-badge.is-current {
  color: #052e16;
  background: #bbf7d0;
  border-color: #4ade80;
}

html[data-ev-theme="light"] body.events-site .period-nav-badge.is-past {
  color: #0f172a;
  background: #cbd5e1;
  border-color: #94a3b8;
}

html[data-ev-theme="light"] body.events-site .period-nav-badge.is-future {
  color: #1e3a8a;
  background: #bfdbfe;
  border-color: #60a5fa;
}

body.events-site .events-legend {
  justify-content: center;
  gap: 0.55rem 1rem;
  margin-top: 1rem;
}

body.events-site .events-legend-item {
  font-size: 0.82rem;
  color: var(--ev-muted);
}

body.events-site .events-year-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.9rem;
}

body.events-site .events-month {
  padding: 0.8rem;
  background: var(--ev-surface-alt);
  border: 1px solid var(--ev-border);
  border-radius: var(--ev-radius);
}

body.events-site .events-month-title {
  margin: 0 0 0.55rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--ev-text);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

body.events-site .events-weekdays,
body.events-site .events-days {
  gap: 0.2rem;
}

body.events-site .events-weekday {
  font-size: 0.68rem;
  color: var(--ev-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* Every day is a chip in the original, not just the ones with events. */
body.events-site .events-day {
  aspect-ratio: auto;
  height: 1.65rem;
  border-radius: 6px;
  font-size: 0.78rem;
  font-family: var(--ev-font);
  color: var(--ev-text);
  background: var(--ev-surface);
  border: 1px solid transparent;
}

body.events-site .events-day.is-empty {
  background: transparent;
  border-color: transparent;
}

body.events-site .events-day-event {
  background: var(--events-day-color, var(--ev-accent));
  border-color: var(--events-day-color, var(--ev-accent));
  color: #fff;
}

@media (max-width: 900px) {
  body.events-site .events-year-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 520px) {
  body.events-site .events-year-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* ---------------------------------------------------------------- archive */

body.events-site .events-archive-card {
  padding: 1.25rem 1.5rem;
  margin-bottom: 1rem;
  background: var(--ev-surface-alt);
  border: 1px solid var(--ev-border);
  border-radius: var(--ev-radius);
}

body.events-site .events-archive-card h2 {
  margin: 0;
  font-size: 1.15rem;
  text-transform: none;
  letter-spacing: normal;
  color: var(--ev-text);
}

body.events-site .events-archive-time {
  font-family: var(--ev-mono);
  font-size: 0.82rem;
  color: var(--ev-muted);
}

/* Past events page: the intro reuses the hero treatment, so the title gets the gradient. */
body.events-site .events-past-hero {
  padding: 4rem 0 2rem;
}

body.events-site .events-past-link {
  color: var(--ev-text);
  text-decoration: none;
}

body.events-site .events-past-link:hover {
  color: var(--ev-accent);
  text-decoration: underline;
}

body.events-site .events-archived-tag {
  border: 1px solid var(--ev-border);
  background: var(--ev-surface);
  color: var(--ev-muted);
  border-radius: 999px;
  padding: 0.15rem 0.6rem;
  font-size: 0.78rem;
}

body.events-site .events-past-tags .events-category-chip {
  display: inline-block;
  margin-bottom: 0;
  font-family: var(--ev-font);
  font-size: 0.78rem;
  color: var(--ev-muted);
  border: 1px solid var(--ev-border);
  background: var(--ev-surface);
  border-radius: 999px;
  padding: 0.15rem 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Buttons and button-styled links, matching the original .btn / .btn-secondary. Without
   this, an <a class="btn"> inherits the plain link colour and underline. */
body.events-site .btn {
  font-family: var(--ev-font);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border: 1px solid var(--ev-border);
  border-radius: var(--ev-radius-sm);
  background: var(--ev-surface-alt);
  color: var(--ev-text);
  text-decoration: none;
  cursor: pointer;
}

body.events-site .btn:hover {
  border-color: var(--ev-accent);
  color: var(--ev-text);
  text-decoration: none;
}

/* The program readout on a past event is a plain list, not a numbered one. */
body.events-site .events-archive-program {
  list-style: none;
  padding-left: 0;
  gap: 0.3rem;
}

/* ---------------------------------------------------------------- footer */

body.events-site .events-site-footer {
  padding: 2rem 0;
  margin-top: 1rem;
  border-top: 1px solid var(--ev-border);
  text-align: center;
  color: var(--ev-muted);
  font-size: 0.88rem;
}