/* Look copied from the Tilda form on learning.tselinny.org: peach background,
   cyan accents, Montserrat, underline-only inputs. */
:root {
  --bg: #ffdab9;
  --accent: #00f0eb;
  --label: #5b5b5b;
  --text: #333;
  --hint: #8c8c8c;
  --line: #555;
  --err: #c0392b;
  --w: 560px;
}

[hidden] { display: none !important; }

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 16px/1.45 "Montserrat", Arial, sans-serif;
}

.wrap {
  max-width: var(--w);
  margin: 0 auto;
  padding: 72px 20px 120px;
}

h1 {
  margin: 0 0 48px;
  font-weight: 600;
  font-size: 28px;
  color: var(--label);
}

/* ---------- language switch ---------- */
.langs {
  position: fixed;
  top: 16px;
  right: 20px;
  display: flex;
  gap: 4px;
  z-index: 10;
}
.langs button {
  border: 0;
  background: transparent;
  font: 600 14px "Montserrat", Arial, sans-serif;
  color: var(--label);
  padding: 6px 8px;
  border-radius: 999px;
  cursor: pointer;
}
.langs button.on { background: var(--accent); color: var(--text); }

/* ---------- fields ---------- */
.field { margin-bottom: 44px; }

.field > label,
.field > .label,
.speaker .field > label {
  display: block;
  font-weight: 600;
  font-size: 21px;
  color: var(--label);
  margin-bottom: 6px;
}

.hint {
  display: block;
  font-weight: 300;
  font-size: 14px;
  color: var(--hint);
  margin-bottom: 8px;
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="number"],
textarea,
select {
  width: 100%;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  color: var(--text);
  font: 400 16px/1.45 "Montserrat", Arial, sans-serif;
  padding: 14px 0;
  outline: none;
}
textarea { resize: vertical; min-height: 96px; }
input::placeholder, textarea::placeholder { color: var(--hint); font-weight: 300; }
input:focus, textarea:focus, select:focus { border-bottom-color: var(--accent); }

.field.invalid input,
.field.invalid textarea { border-bottom-color: var(--err); }
.err { margin: 6px 0 0; color: var(--err); font-size: 13px; }

/* ---------- venues ---------- */
.venues { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 10px; }
.venue { position: relative; width: 128px; cursor: pointer; }
.venue input { position: absolute; opacity: 0; pointer-events: none; }
.venue-img {
  position: relative;
  display: block;
  width: 128px;
  height: 128px;
  background: #e9c7a6 center / cover no-repeat;
}
.venue-name { display: block; margin-top: 8px; font-size: 15px; }
.venue-more { margin-top: 18px; }
/* same square checkbox as everywhere else, sitting in the photo's corner */
.venue .tick {
  position: absolute;
  top: 8px;
  left: 8px;
  width: 22px;
  height: 22px;
  border: 2px solid var(--accent);
  background: var(--bg) center / 14px no-repeat;
}
.venue input:checked + .venue-img .tick {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M1.5 6.5l3 3 6-7' fill='none' stroke='%2300f0eb' stroke-width='2'/%3E%3C/svg%3E");
}
.venue input:focus-visible + .venue-img { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ---------- checkboxes / radios ---------- */
.choices { display: flex; flex-direction: column; gap: 10px; margin: 6px 0 4px; }
.choice { display: inline-flex; align-items: center; gap: 12px; cursor: pointer; font-size: 15px; }
.choice input { position: absolute; opacity: 0; pointer-events: none; }
.choice > span::before {
  content: "";
  display: inline-block;
  vertical-align: -4px;
  width: 18px;
  height: 18px;
  margin-right: 12px;
  border: 2px solid var(--accent);
  background: transparent center / 12px no-repeat;
}
.choice.radio > span::before { border-radius: 50%; }
.choice input:checked + span::before {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M1.5 6.5l3 3 6-7' fill='none' stroke='%2300f0eb' stroke-width='2'/%3E%3C/svg%3E");
}
.choice.radio input:checked + span::before {
  background-image: radial-gradient(circle, var(--accent) 0 4px, transparent 5px);
  background-size: auto;
}
.choice input:focus-visible + span::before { outline: 2px solid var(--text); outline-offset: 2px; }
.choice.solo > span::before { margin-right: 0; }
#tech_presets { margin-bottom: 8px; }
.tech-row { display: flex; align-items: center; flex-wrap: wrap; gap: 6px 16px; }
.tech-count { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; color: var(--hint); }
.tech-count select { width: auto; padding: 4px 4px 4px 0; cursor: pointer; }
.other-input { margin-top: 4px; }

/* ---------- stepper ---------- */
.stepper { display: inline-flex; align-items: center; gap: 8px; }
.stepper button {
  width: 36px;
  height: 36px;
  border: 0;
  background: transparent;
  color: var(--accent);
  font-size: 26px;
  line-height: 1;
  cursor: pointer;
}
.stepper input { width: 80px; text-align: center; -moz-appearance: textfield; }
.stepper input::-webkit-outer-spin-button,
.stepper input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

/* ---------- select ---------- */
.select { position: relative; }
.select select { appearance: none; -webkit-appearance: none; padding-right: 28px; cursor: pointer; }
.select::after {
  content: "";
  position: absolute;
  right: 4px;
  top: 50%;
  margin-top: -3px;
  border: 6px solid transparent;
  border-top-color: var(--accent);
  pointer-events: none;
}

/* ---------- buttons ---------- */
.pill {
  border: 0;
  border-radius: 999px;
  background: var(--accent);
  color: var(--text);
  font: 400 15px "Montserrat", Arial, sans-serif;
  padding: 11px 20px;
  cursor: pointer;
}
.pill.big { font-size: 17px; font-weight: 600; padding: 15px 64px; }
.link-btn {
  border: 0;
  background: transparent;
  padding: 0;
  color: var(--label);
  font: 600 15px "Montserrat", Arial, sans-serif;
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
}
#add_speaker { margin: -12px 0 44px; }
.submit-row { text-align: center; margin-top: 8px; }

/* ---------- uploader ---------- */
.uploader input[type="file"] { display: none; }
.thumbs { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 12px; }
.thumb { position: relative; width: 84px; }
.thumb img { display: block; width: 84px; height: 84px; object-fit: cover; }
.thumb span {
  display: block;
  font-size: 11px;
  color: var(--hint);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.thumb button {
  position: absolute;
  top: -8px;
  right: -8px;
  width: 22px;
  height: 22px;
  border: 0;
  border-radius: 50%;
  background: var(--text);
  color: #fff;
  font-size: 14px;
  line-height: 22px;
  padding: 0;
  cursor: pointer;
}

/* ---------- speakers ---------- */
.speaker { border: 0; border-left: 3px solid var(--accent); margin: 0 0 44px; padding: 0 0 0 18px; }
.speaker legend {
  padding: 0;
  margin-bottom: 20px;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--label);
}
.speaker legend .remove { margin-left: 14px; font-size: 13px; text-transform: none; letter-spacing: 0; }
.speaker .field:last-child { margin-bottom: 0; }

/* ---------- calendar ---------- */
.cal { max-width: 340px; margin-top: 10px; user-select: none; }
.cal-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.cal-title { font-weight: 600; color: var(--label); }
.cal-nav {
  width: 36px;
  height: 36px;
  border: 0;
  background: transparent;
  color: var(--accent);
  font-size: 28px;
  line-height: 1;
  cursor: pointer;
}
.cal-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; }
.cal-wd { text-align: center; font-size: 12px; color: var(--hint); padding-bottom: 4px; }
.cal-day {
  aspect-ratio: 1;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: var(--text);
  font: 400 14px "Montserrat", Arial, sans-serif;
  cursor: pointer;
}
.cal-day:hover { background: rgba(255, 255, 255, .45); }
.cal-day.today { box-shadow: inset 0 0 0 1px var(--line); }
.cal-day.on { background: var(--accent); font-weight: 600; }
.cal-sum { display: flex; align-items: baseline; gap: 14px; margin-top: 10px; font-size: 15px; min-height: 22px; }
.field.invalid .cal { outline: 1px solid var(--err); outline-offset: 6px; }

/* ---------- consent + contacts (as on Tilda) ---------- */
.consent {
  margin: 36px auto 0;
  font-weight: 300;
  font-size: 15px;
  line-height: 1.6;
  color: var(--label);
}
.consent a { color: inherit; }

.contact { margin-top: 120px; text-align: center; color: var(--label); }
.contact h2 { margin: 0 0 40px; font-size: 44px; font-weight: 600; }
.contact address { font-style: normal; font-weight: 300; font-size: 26px; margin-bottom: 36px; }
.contact p { font-weight: 300; font-size: 18px; margin: 0 0 40px; }
.icons { display: flex; justify-content: center; gap: 6px; }
.icons a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #111;
  color: #fff;
}
.icons svg { width: 24px; height: 24px; }

/* ---------- photos: one file + "more photos" tick ---------- */
.choice.more { margin-top: 14px; }

/* ---------- after submit ---------- */
.done-title { margin: 0 0 12px; font-size: 28px; font-weight: 600; color: var(--label); }
#done > p { margin: 0 0 40px; font-size: 18px; font-weight: 300; }
.more-block { margin: 20px 0 28px; }
.more-name { margin: 0 0 10px; font-weight: 600; color: var(--label); }
.more-status { white-space: pre-line; font-size: 13px; color: var(--label); }
#more .pill.big { margin-top: 8px; }

/* ---------- local output ---------- */
.out { margin-top: 48px; }
.out p { font-weight: 600; color: var(--label); }
.out pre {
  background: rgba(255, 255, 255, .5);
  padding: 16px;
  font-size: 12px;
  line-height: 1.4;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

@media (max-width: 480px) {
  .wrap { padding-top: 64px; }
  .field > label, .field > .label, .speaker .field > label { font-size: 19px; }
  .venue, .venue-img { width: 100px; }
  .venue-img { height: 100px; }
  .pill.big { width: 100%; padding-left: 0; padding-right: 0; }
}

/* required-field marks via CSS, i18n strings untouched */
.field[data-required] > label::after,
.field[data-required] > .label::after,
.field[data-req-mark] > .label::after { content: " *"; color: #777; }
.req-note { margin: -8px 0 32px; color: #777; font-size: 14px; }

/* honeypot */
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; opacity: 0; }

/* sending / upload status */
.send-status { margin: 12px 0 0; font-size: 14px; white-space: pre-line; }
.send-status.bad, .more-status.bad { color: var(--err); }
.more-status { white-space: pre-line; }

/* background photo upload states: wait/up = pale + spinner, ok = tick, err = pale + red frame + Retry */
.thumb .pic { position: relative; width: 84px; height: 84px; }
.thumb.wait img, .thumb.up img, .thumb.err img { opacity: .4; }
.thumb.err .pic { outline: 2px solid var(--err); outline-offset: -2px; }
.thumb .spin {
  position: absolute; left: 50%; top: 50%; width: 26px; height: 26px; margin: -13px 0 0 -13px;
  border: 3px solid rgba(0, 0, 0, .12); border-top-color: var(--accent); border-radius: 50%;
  animation: thumb-spin .8s linear infinite;
}
@keyframes thumb-spin { to { transform: rotate(360deg); } }
.thumb .tick { position: absolute; right: 4px; bottom: 4px; width: 18px; height: 18px; background: var(--accent); }
.thumb .tick::after {
  content: ""; position: absolute; left: 6px; top: 2px; width: 5px; height: 10px;
  border: solid var(--text); border-width: 0 2px 2px 0; transform: rotate(45deg);
}
.thumb button.retry {
  position: static; width: auto; height: auto; margin-top: 4px; padding: 2px 8px;
  border: 1px solid var(--err); border-radius: 0; background: none; color: var(--err); font-size: 11px; cursor: pointer;
}