.event-planner {
  --planner-ink: var(--color-dark, #121215);
  --planner-paper: var(--color-light, #fafafa);
  --planner-accent: var(--color-primary, #742a20);
  --planner-muted: rgba(18, 18, 21, 0.62);
  background: var(--planner-paper);
  color: var(--planner-ink);
  font-family: Inter, Arial, sans-serif;
  padding-bottom: var(--section-padding, 8em);
}

.event-planner * {
  box-sizing: border-box;
}

.event-planner .sr-only {
  clip: rect(0, 0, 0, 0);
  clip-path: inset(50%);
  height: 1px;
  overflow: hidden;
  position: absolute;
  white-space: nowrap;
  width: 1px;
}

.event-planner__hero {
  background:
    radial-gradient(circle at 82% 8%, rgba(116, 42, 32, 0.78), transparent 32%),
    linear-gradient(135deg, #121215 0%, #1a1718 58%, #2d1b19 100%);
  color: #fafafa;
  overflow: hidden;
  padding: calc(var(--navbar-height, 3.85em) + 5em) 0 4.6em;
  position: relative;
}

.event-planner__hero::after {
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 50%;
  content: "";
  height: 28em;
  position: absolute;
  right: -8em;
  top: -9em;
  width: 28em;
}

.event-planner__hero-grid {
  align-items: end;
  display: grid;
  gap: 3em;
  grid-template-columns: minmax(0, 1.18fr) minmax(20em, 0.82fr);
  position: relative;
  z-index: 1;
}

.event-planner__eyebrow,
.event-planner__kicker {
  color: #d8aba5;
  font-size: 0.72em;
  font-weight: 500;
  font-family: Axiforma, Arial, sans-serif;
  letter-spacing: 0.15em;
  margin: 0 0 1.2em;
  text-transform: uppercase;
}

.event-planner__title {
  color: #fafafa;
  font-family: Axiforma, Arial, sans-serif;
  font-size: clamp(3.2em, 5.6vw, 5.8em);
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 0.96;
  margin: 0;
  max-width: 8.5ch;
}

.event-planner__intro {
  color: rgba(250, 250, 250, 0.72);
  font-size: 1em;
  line-height: 1.65;
  margin: 1.8em 0 0;
  max-width: 42em;
}

.event-planner__facts {
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 1.2em;
  display: grid;
  gap: 1px;
  grid-template-columns: 1fr 1fr;
  margin: 0;
  overflow: hidden;
}

.event-planner__fact {
  background: rgba(255, 255, 255, 0.055);
  min-height: 8.4em;
  padding: 1.4em;
}

.event-planner__fact dt {
  color: rgba(250, 250, 250, 0.5);
  font-size: 0.68em;
  letter-spacing: 0.12em;
  font-family: Axiforma, Arial, sans-serif;
  margin-bottom: 0.7em;
  text-transform: uppercase;
}

.event-planner__fact dd {
  color: #fafafa;
  font-family: Axiforma, Arial, sans-serif;
  font-size: 1.28em;
  font-weight: 500;
  line-height: 1.18;
  margin: 0;
}

.event-planner__body {
  display: grid;
  gap: 2.6em;
  grid-template-columns: minmax(17em, 0.28fr) minmax(0, 0.72fr);
  padding-top: 3.5em;
}

.event-planner__sidebar {
  align-self: start;
  position: sticky;
  top: calc(var(--navbar-height, 3.85em) + 1em);
}

.planner-panel {
  background: #fff;
  border: 1px solid rgba(18, 18, 21, 0.11);
  border-radius: 1.15em;
  box-shadow: 0 0.7em 2.2em rgba(18, 18, 21, 0.035);
  padding: 1.3em;
}

.planner-panel + .planner-panel {
  margin-top: 0.8em;
}

.planner-panel__label {
  color: var(--planner-muted);
  font-size: 0.68em;
  font-weight: 500;
  font-family: Axiforma, Arial, sans-serif;
  letter-spacing: 0.12em;
  margin: 0 0 1em;
  text-transform: uppercase;
}

.planner-day-tabs,
.planner-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45em;
}

.planner-day,
.planner-filter {
  appearance: none;
  background: transparent;
  border: 1px solid rgba(18, 18, 21, 0.16);
  border-radius: 999px;
  color: var(--planner-ink);
  cursor: pointer;
  font-family: Axiforma, Arial, sans-serif;
  font-size: 0.92em;
  transition: background-color 180ms ease, border-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.planner-day {
  border-radius: 0.85em;
  flex: 1 1 8em;
  min-height: 4.4em;
  padding: 0.9em 1em;
  text-align: left;
}

.planner-day span,
.planner-day small {
  display: block;
}

.planner-day span {
  font-weight: 500;
}

.planner-day small {
  color: currentColor;
  font-size: 0.7em;
  margin-top: 0.2em;
  opacity: 0.62;
}

.planner-day:disabled {
  cursor: default;
  opacity: 0.46;
}

.planner-day[aria-selected="true"],
.planner-filter[aria-pressed="true"] {
  background: var(--planner-accent);
  border-color: var(--planner-accent);
  color: #fff;
  box-shadow: 0 0.55em 1.3em rgba(116, 42, 32, 0.2);
}

.planner-filter {
  font-size: 0.76em;
  font-weight: 500;
  padding: 0.68em 0.9em;
}

.planner-search {
  margin-top: 1em;
  position: relative;
}

.planner-search svg {
  height: 1.05em;
  left: 0.85em;
  pointer-events: none;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 1.05em;
}

.planner-search input {
  background: #fff;
  border: 1px solid rgba(18, 18, 21, 0.16);
  border-radius: 0.8em;
  color: var(--planner-ink);
  font-family: Inter, Arial, sans-serif;
  font-size: 0.86em;
  min-height: 3.45em;
  padding: 0.85em 0.9em 0.85em 2.8em;
  width: 100%;
}

.planner-search-scope {
  color: var(--planner-muted);
  display: block;
  font-size: 0.7em;
  line-height: 1.45;
  margin: 0.6em 0 0.1em;
}

.planner-search input:focus,
.planner-day:focus-visible,
.planner-filter:focus-visible,
.planner-session__toggle:focus-visible {
  outline: 3px solid rgba(116, 42, 32, 0.24);
  outline-offset: 2px;
}

.event-planner__main {
  min-width: 0;
}

.planner-list-header {
  align-items: end;
  border-bottom: 1px solid rgba(18, 18, 21, 0.13);
  display: flex;
  gap: 1em;
  justify-content: space-between;
  margin-bottom: 1em;
  padding: 0.2em 0 1.5em;
}

.planner-list-header h2 {
  font-family: Axiforma, Arial, sans-serif;
  font-size: clamp(2.2em, 3.6vw, 3.4em);
  font-weight: 500;
  letter-spacing: -0.045em;
  line-height: 1;
  margin: 0;
}

.planner-search-day + .planner-search-day {
  border-top: 1px solid rgba(18, 18, 21, 0.13);
  margin-top: 2.4em;
  padding-top: 2.4em;
}

.planner-search-day__header {
  align-items: baseline;
  display: flex;
  gap: 0.8em;
  margin: 0 0 0.5em 9em;
}

.planner-search-day__header h3 {
  font-family: Axiforma, Arial, sans-serif;
  font-size: 1.25em;
  font-weight: 500;
  margin: 0;
}

.planner-search-day__header span {
  color: var(--planner-muted);
  font-size: 0.74em;
}

.planner-result-count {
  color: var(--planner-muted);
  font-size: 0.78em;
  margin: 0;
  text-align: right;
}

.planner-time-group {
  display: grid;
  gap: 1.2em;
  grid-template-columns: 7.8em minmax(0, 1fr);
  padding: 0.72em 0;
}

.planner-time-group__label {
  color: var(--planner-muted);
  font-family: Axiforma, Arial, sans-serif;
  font-size: 0.77em;
  font-weight: 500;
  line-height: 1.3;
  padding: 1.25em 1.3em 0 0;
  position: relative;
  text-align: right;
}

.planner-time-group__label span,
.planner-time-group__label small {
  display: block;
}

.planner-time-group__label small {
  font-family: Inter, Arial, sans-serif;
  font-size: 0.92em;
  font-weight: 400;
  margin-top: 0.28em;
}

.planner-time-group__label::after {
  background: var(--planner-accent);
  border: 4px solid var(--planner-paper);
  border-radius: 50%;
  box-shadow: 0 0 0 1px rgba(116, 42, 32, 0.25);
  content: "";
  height: 0.72em;
  position: absolute;
  right: -1.58em;
  top: 1.35em;
  width: 0.72em;
}

.planner-time-group__sessions {
  display: grid;
  gap: 0.65em;
  position: relative;
}

.planner-time-group__sessions::before {
  background: rgba(18, 18, 21, 0.09);
  bottom: -1.4em;
  content: "";
  left: -1.62em;
  position: absolute;
  top: 1.85em;
  width: 1px;
}

.planner-time-group:last-child .planner-time-group__sessions::before {
  display: none;
}

.planner-session {
  background: #fff;
  border: 1px solid rgba(18, 18, 21, 0.1);
  border-radius: 1.05em;
  box-shadow: 0 0.45em 1.5em rgba(18, 18, 21, 0.025);
  overflow: hidden;
  position: relative;
  transition: border-color 180ms ease, transform 180ms ease, box-shadow 180ms ease;
}

.planner-session::before {
  background: var(--planner-accent);
  bottom: 0;
  content: "";
  left: 0;
  position: absolute;
  top: 0;
  width: 0.24em;
}

.planner-session[data-type="break"]::before {
  background: #c9b989;
}

.planner-session[data-type="opening"]::before,
.planner-session[data-type="closing"]::before,
.planner-session[data-type="keynote"]::before {
  background: #8b6b9f;
}

.planner-session:hover {
  border-color: rgba(116, 42, 32, 0.28);
  box-shadow: 0 0.9em 2.6em rgba(18, 18, 21, 0.07);
  transform: translateY(-2px);
}

.planner-session__top {
  align-items: flex-start;
  display: flex;
  gap: 0.9em;
  padding: 1.35em 1.35em 1.35em 1.55em;
}

.planner-session__toggle {
  appearance: none;
  background: transparent;
  border: 0;
  color: inherit;
  cursor: pointer;
  flex: 1;
  font: inherit;
  min-width: 0;
  padding: 0;
  text-align: left;
}

.planner-session__toggle:not(button) {
  cursor: default;
}

.planner-session__meta {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5em;
  margin-bottom: 0.6em;
}

.planner-session__type {
  background: rgba(116, 42, 32, 0.09);
  border-radius: 999px;
  color: var(--planner-accent);
  font-size: 0.64em;
  font-weight: 500;
  font-family: Axiforma, Arial, sans-serif;
  letter-spacing: 0.09em;
  padding: 0.38em 0.62em;
  text-transform: uppercase;
}

.planner-session[data-type="break"] .planner-session__type {
  background: rgba(135, 111, 48, 0.12);
  color: #6d5a2e;
}

.planner-session__people-count,
.planner-session__parallel {
  color: var(--planner-muted);
  font-size: 0.7em;
}

.planner-session__title {
  font-family: Axiforma, Arial, sans-serif;
  font-size: clamp(1.25em, 1.8vw, 1.65em);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.22;
  margin: 0;
}

.planner-session__heading-row {
  align-items: flex-start;
  display: flex;
  gap: 1em;
  justify-content: space-between;
}

.planner-session__expand {
  align-items: center;
  background: rgba(18, 18, 21, 0.045);
  border-radius: 50%;
  display: flex;
  flex: 0 0 auto;
  height: 2em;
  justify-content: center;
  transition: background-color 180ms ease, transform 220ms ease;
  width: 2em;
}

.planner-session__expand svg {
  height: 0.95em;
  width: 0.95em;
}

.planner-session__toggle[aria-expanded="true"] .planner-session__expand {
  background: rgba(116, 42, 32, 0.1);
  color: var(--planner-accent);
  transform: rotate(180deg);
}

.planner-session__lead {
  color: var(--planner-muted);
  font-size: 0.82em;
  line-height: 1.45;
  margin: 0.65em 0 0;
}

.planner-session__details {
  border-top: 1px solid rgba(18, 18, 21, 0.09);
  padding: 0 1.35em 1.35em 1.55em;
}

.planner-session__details[hidden] {
  display: none;
}

.planner-speakers {
  display: grid;
  gap: 1px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  padding-top: 1.2em;
}

.planner-speaker {
  background: rgba(18, 18, 21, 0.03);
  min-width: 0;
  padding: 1em;
}

.planner-speaker__role {
  color: var(--planner-accent);
  font-size: 0.64em;
  font-weight: 500;
  font-family: Axiforma, Arial, sans-serif;
  letter-spacing: 0.1em;
  margin: 0 0 0.55em;
  text-transform: uppercase;
}

.planner-speaker__name {
  font-family: Axiforma, Arial, sans-serif;
  font-size: 0.98em;
  font-weight: 500;
  line-height: 1.3;
  margin: 0;
}

.planner-speaker__designation,
.planner-speaker__discussion {
  color: var(--planner-muted);
  font-size: 0.76em;
  line-height: 1.5;
  margin: 0.45em 0 0;
}

.planner-speaker__discussion {
  color: var(--planner-ink);
  margin-top: 0.8em;
}

.planner-tbc {
  background: #eee3c7;
  border-radius: 999px;
  color: #5b4a23;
  display: inline-block;
  font-size: 0.62em;
  font-weight: 500;
  margin-left: 0.35em;
  padding: 0.28em 0.5em;
  text-transform: uppercase;
}

.planner-empty,
.planner-error,
.planner-loading {
  background: #fff;
  border: 1px solid rgba(18, 18, 21, 0.1);
  border-radius: var(--border-radius, 1em);
  color: var(--planner-muted);
  padding: 3em 1.5em;
  text-align: center;
}

.planner-skeleton {
  animation: planner-pulse 1.3s ease-in-out infinite alternate;
  background: rgba(18, 18, 21, 0.08);
  border-radius: 0.7em;
  height: 7em;
  margin: 0.7em 0;
}

.planner-source-note {
  color: var(--planner-muted);
  font-size: 0.72em;
  line-height: 1.5;
  margin: 2em 0 0 7.8em;
}

@keyframes planner-pulse {
  to { opacity: 0.45; }
}

@media (hover: hover) {
  .planner-day:hover,
  .planner-filter:hover {
    border-color: var(--planner-accent);
  }
}

@media screen and (max-width: 991px) {
  .event-planner__hero-grid,
  .event-planner__body {
    grid-template-columns: 1fr;
  }

  .event-planner__facts {
    max-width: 38em;
  }

  .event-planner__sidebar {
    position: static;
  }

  .planner-panel--controls {
    display: grid;
    gap: 1em;
    grid-template-columns: 1fr 1fr;
  }

  .planner-panel--controls .planner-search {
    grid-column: 1 / -1;
    margin-top: 0;
  }

  .planner-panel--controls .planner-search-scope {
    grid-column: 1 / -1;
  }

  .planner-search-day__header {
    margin-left: 0;
  }
}

@media screen and (max-width: 640px) {
  .event-planner__hero {
    padding-bottom: 3.2em;
    padding-top: calc(var(--navbar-height, 3.5em) + 3.8em);
  }

  .event-planner__hero-grid {
    gap: 2.2em;
  }

  .event-planner__title {
    font-size: clamp(3.1em, 17vw, 5.1em);
  }

  .event-planner__fact {
    min-height: 7em;
    padding: 1em;
  }

  .event-planner__fact dd {
    font-size: 1.18em;
  }

  .planner-panel--controls {
    grid-template-columns: 1fr;
  }

  .planner-panel--controls .planner-search {
    grid-column: auto;
  }

  .planner-time-group {
    gap: 0.45em;
    grid-template-columns: 1fr;
    padding: 0.65em 0;
  }

  .planner-time-group__label {
    align-items: baseline;
    display: flex;
    gap: 0.45em;
    padding: 0 0 0.25em 0.3em;
    text-align: left;
  }

  .planner-time-group__label small {
    margin-top: 0;
  }

  .planner-time-group__label::after,
  .planner-time-group__sessions::before {
    display: none;
  }

  .planner-speakers {
    grid-template-columns: 1fr;
  }

  .planner-source-note {
    margin-left: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .planner-session,
  .planner-day,
  .planner-filter {
    transition: none;
  }

  .planner-skeleton {
    animation: none;
  }
}