/* ============================================================
   CreateStage Scheduler — embeddable booking widget
   Ships standalone: design tokens from createstage.com are
   hardcoded (void / warm / heat, JetBrains Mono + Rubik,
   hairline borders). Everything is namespaced under .csb.
   ============================================================ */

.csb {
  /* tokens (mirrors css/tokens.css on the site) */
  --csb-void: #0A0A0A;
  --csb-surface: #131313;
  --csb-surface-2: #1A1A1A;
  --csb-heat: #3DDC97;
  --csb-heat-dim: #1FA775;
  --csb-heat-glow: #5DE6AA;
  --csb-warm: #F0EDE6;
  --csb-warm-65: rgba(240, 237, 230, 0.65);
  --csb-warm-40: rgba(240, 237, 230, 0.40);
  --csb-warm-20: rgba(240, 237, 230, 0.20);
  --csb-warm-08: rgba(240, 237, 230, 0.08);
  --csb-warm-04: rgba(240, 237, 230, 0.04);
  --csb-heat-08: rgba(61, 220, 151, 0.08);
  --csb-heat-35: rgba(61, 220, 151, 0.35);
  --csb-danger: #FF6B6B;
  --csb-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, monospace;
  --csb-display: "Rubik", system-ui, sans-serif;
  --csb-body: "Geist", "Rubik", system-ui, sans-serif;
  --csb-ease: cubic-bezier(0.16, 1, 0.3, 1);

  position: relative;
  background: var(--csb-void);
  border: 1px solid var(--csb-warm-08);
  color: var(--csb-warm);
  font-family: var(--csb-body);
  font-size: 15px;
  line-height: 1.55;
  padding: clamp(24px, 4vw, 48px);
  max-width: 100%;
  box-sizing: border-box;
  -webkit-font-smoothing: antialiased;
}

.csb *, .csb *::before, .csb *::after { box-sizing: border-box; }

/* drafting-mark corner ticks */
.csb-tick {
  position: absolute;
  width: 13px;
  height: 13px;
  pointer-events: none;
}
.csb-tick--tl { top: -1px; left: -1px; border-top: 1px solid var(--csb-warm-40); border-left: 1px solid var(--csb-warm-40); }
.csb-tick--tr { top: -1px; right: -1px; border-top: 1px solid var(--csb-warm-40); border-right: 1px solid var(--csb-warm-40); }
.csb-tick--bl { bottom: -1px; left: -1px; border-bottom: 1px solid var(--csb-warm-40); border-left: 1px solid var(--csb-warm-40); }
.csb-tick--br { bottom: -1px; right: -1px; border-bottom: 1px solid var(--csb-warm-40); border-right: 1px solid var(--csb-warm-40); }

/* ---------- mono micro-labels ---------- */
.csb-label {
  font-family: var(--csb-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--csb-warm-40);
  margin: 0 0 14px;
}
.csb-label em {
  font-style: normal;
  color: var(--csb-heat);
}

/* ---------- header row ---------- */
.csb-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  flex-wrap: wrap;
  padding-bottom: 22px;
  margin-bottom: 30px;
  border-bottom: 1px solid var(--csb-warm-08);
}
.csb-head .csb-label { margin: 0; color: var(--csb-warm-65); }
.csb-head .csb-label .csb-dot { color: var(--csb-heat); }
.csb-tz {
  font-family: var(--csb-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--csb-warm-20);
}

/* ---------- two-column body ---------- */
.csb-cols {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  gap: clamp(28px, 4vw, 56px);
  align-items: start;
}
.csb-cols > * { min-width: 0; } /* grid items must shrink, never widen the page */

/* ---------- day strip ---------- */
.csb-days {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: none;
  margin-bottom: 34px;
}
.csb-days::-webkit-scrollbar { display: none; }

.csb-day {
  flex: 0 0 auto;
  min-width: 62px;
  padding: 12px 10px 10px;
  background: transparent;
  border: 1px solid var(--csb-warm-08);
  color: var(--csb-warm-65);
  font-family: var(--csb-mono);
  cursor: pointer;
  text-align: center;
  transition: border-color 200ms var(--csb-ease), color 200ms var(--csb-ease),
              background 200ms var(--csb-ease);
}
.csb-day:hover { border-color: var(--csb-warm-20); color: var(--csb-warm); }
.csb-day:focus-visible { outline: 1px solid var(--csb-heat); outline-offset: 2px; }
.csb-day .csb-day-wd {
  display: block;
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--csb-warm-40);
  margin-bottom: 6px;
  transition: color 200ms var(--csb-ease);
}
.csb-day .csb-day-num {
  display: block;
  font-family: var(--csb-display);
  font-size: 21px;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1;
  color: inherit;
}
.csb-day .csb-day-mo {
  display: block;
  font-size: 9px;
  letter-spacing: 0.14em;
  color: var(--csb-warm-20);
  margin-top: 6px;
  transition: color 200ms var(--csb-ease);
}
.csb-day[aria-pressed="true"] {
  border-color: var(--csb-heat);
  background: var(--csb-heat-08);
  color: var(--csb-heat);
}
.csb-day[aria-pressed="true"] .csb-day-wd,
.csb-day[aria-pressed="true"] .csb-day-mo { color: var(--csb-heat-dim); }

/* ---------- time grid ---------- */
.csb-times {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(96px, 1fr));
  gap: 8px;
}
.csb-time {
  padding: 11px 6px;
  background: transparent;
  border: 1px solid var(--csb-warm-08);
  color: var(--csb-warm-65);
  font-family: var(--csb-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: border-color 200ms var(--csb-ease), color 200ms var(--csb-ease),
              background 200ms var(--csb-ease);
  animation: csb-rise 500ms var(--csb-ease) backwards;
}
.csb-time:hover { border-color: var(--csb-heat-dim); color: var(--csb-heat-glow); }
.csb-time:focus-visible { outline: 1px solid var(--csb-heat); outline-offset: 2px; }
.csb-time[aria-pressed="true"] {
  border-color: var(--csb-heat);
  background: var(--csb-heat);
  color: var(--csb-void);
  font-weight: 700;
}

@keyframes csb-rise {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ---------- right panel: hint / form / confirmation ---------- */
.csb-panel {
  border-left: 1px solid var(--csb-warm-08);
  padding-left: clamp(28px, 4vw, 56px);
  min-height: 320px;
}

.csb-hint {
  color: var(--csb-warm-40);
  font-size: 14px;
  max-width: 34ch;
}
.csb-hint strong { color: var(--csb-warm-65); font-weight: 500; }

.csb-chosen {
  font-family: var(--csb-display);
  font-size: 21px;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin: 0 0 6px;
}
.csb-chosen em { font-style: normal; color: var(--csb-heat); }
.csb-chosen-sub {
  font-family: var(--csb-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--csb-warm-40);
  margin: 0 0 26px;
}

/* form */
.csb-form { display: grid; gap: 18px; animation: csb-rise 500ms var(--csb-ease); }
.csb-field { display: grid; gap: 7px; }
.csb-field label {
  font-family: var(--csb-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--csb-warm-40);
}
.csb-field label .csb-req { color: var(--csb-heat); }
.csb-field input,
.csb-field textarea {
  width: 100%;
  background: var(--csb-surface);
  border: 1px solid var(--csb-warm-08);
  color: var(--csb-warm);
  font-family: var(--csb-body);
  font-size: 15px;
  padding: 12px 14px;
  border-radius: 0;
  transition: border-color 200ms var(--csb-ease);
  appearance: none;
}
.csb-field textarea { resize: vertical; min-height: 74px; }
.csb-field input::placeholder,
.csb-field textarea::placeholder { color: var(--csb-warm-20); }
.csb-field input:focus,
.csb-field textarea:focus {
  outline: none;
  border-color: var(--csb-heat-dim);
}

.csb-submit {
  margin-top: 4px;
  width: 100%;
  padding: 15px 18px;
  background: var(--csb-heat);
  border: 1px solid var(--csb-heat);
  color: var(--csb-void);
  font-family: var(--csb-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 200ms var(--csb-ease), box-shadow 200ms var(--csb-ease);
}
.csb-submit:hover:not(:disabled) {
  background: var(--csb-heat-glow);
  box-shadow: 0 0 32px var(--csb-heat-35);
}
.csb-submit:focus-visible { outline: 1px solid var(--csb-warm); outline-offset: 2px; }
.csb-submit:disabled { opacity: 0.55; cursor: wait; }

.csb-form-err {
  font-family: var(--csb-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--csb-danger);
  border: 1px solid rgba(255, 107, 107, 0.3);
  padding: 10px 12px;
  margin: 0;
}

.csb-back {
  background: none;
  border: none;
  padding: 0;
  color: var(--csb-warm-40);
  font-family: var(--csb-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: pointer;
  transition: color 200ms var(--csb-ease);
}
.csb-back:hover { color: var(--csb-warm); }

/* ---------- confirmation ---------- */
.csb-done { text-align: left; animation: csb-rise 500ms var(--csb-ease); }
.csb-check {
  width: 44px;
  height: 44px;
  margin-bottom: 22px;
  display: block;
}
.csb-check circle {
  fill: none;
  stroke: var(--csb-heat-dim);
  stroke-width: 1;
  opacity: 0.5;
}
.csb-check path {
  fill: none;
  stroke: var(--csb-heat);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 30;
  stroke-dashoffset: 30;
  animation: csb-draw 900ms var(--csb-ease) 150ms forwards;
}
@keyframes csb-draw { to { stroke-dashoffset: 0; } }

.csb-done h3 {
  font-family: var(--csb-display);
  font-size: clamp(26px, 3vw, 34px);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 0 0 10px;
}
.csb-done h3 em { font-style: normal; color: var(--csb-heat); }
.csb-done .csb-when {
  font-size: 16px;
  color: var(--csb-warm-65);
  margin: 0 0 4px;
}
.csb-done .csb-next {
  font-family: var(--csb-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--csb-warm-40);
  margin: 18px 0 28px;
  line-height: 2;
}
.csb-ics-btn {
  display: inline-block;
  padding: 13px 22px;
  border: 1px solid var(--csb-heat);
  color: var(--csb-heat);
  background: transparent;
  font-family: var(--csb-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: background 200ms var(--csb-ease), color 200ms var(--csb-ease),
              box-shadow 200ms var(--csb-ease);
}
.csb-ics-btn:hover {
  background: var(--csb-heat);
  color: var(--csb-void);
  box-shadow: 0 0 32px var(--csb-heat-35);
}
.csb-again {
  display: block;
  margin-top: 20px;
  background: none;
  border: none;
  padding: 0;
  color: var(--csb-warm-40);
  font-family: var(--csb-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: pointer;
  transition: color 200ms var(--csb-ease);
}
.csb-again:hover { color: var(--csb-warm); }

/* ---------- loading / empty / error states ---------- */
.csb-state {
  padding: 56px 0;
  text-align: center;
}
.csb-state .csb-state-line {
  font-family: var(--csb-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--csb-warm-40);
}
.csb-cursor {
  display: inline-block;
  width: 8px;
  height: 14px;
  margin-left: 8px;
  background: var(--csb-heat);
  vertical-align: -2px;
  animation: csb-blink 1s steps(1) infinite;
}
@keyframes csb-blink { 50% { opacity: 0; } }

.csb-state .csb-state-msg {
  margin-top: 16px;
  font-size: 14px;
  color: var(--csb-warm-65);
}
.csb-state a { color: var(--csb-heat); text-decoration: none; border-bottom: 1px solid var(--csb-heat-dim); }
.csb-state a:hover { color: var(--csb-heat-glow); }

/* visually hidden live region */
.csb-sr {
  position: absolute;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- responsive collapse ---------- */
@media (max-width: 820px) {
  /* minmax(0,1fr), not 1fr: the day strip must shrink, never widen the page */
  .csb-cols { grid-template-columns: minmax(0, 1fr); gap: 34px; }
  .csb-panel {
    border-left: none;
    border-top: 1px solid var(--csb-warm-08);
    padding-left: 0;
    padding-top: 30px;
    min-height: 0;
  }
  .csb-times { grid-template-columns: repeat(auto-fill, minmax(86px, 1fr)); }
}

@media (prefers-reduced-motion: reduce) {
  .csb-time, .csb-form, .csb-done { animation: none; }
  .csb-check path { animation: none; stroke-dashoffset: 0; }
}