:root {
  color-scheme: dark;
  --bg: #101918;
  --panel: #192622;
  --line: #34473e;
  --text: #edf0e6;
  --muted: #a6b8ad;
  --mint: #bfd9ac;
  --gold: #c8b583;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-synthesis: none;
}
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; display: flex; flex-direction: column; color: var(--text); background: radial-gradient(ellipse at 90% 0, #344a3430, transparent 45%), var(--bg); }
a { color: inherit; text-decoration: none; }
button, input, select { font: inherit; }
button, a, input, select { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, [tabindex='0']:focus-visible { outline: 2px solid var(--mint); outline-offset: 4px; }
form, p { margin: 0; }
.site-header, .page, .site-footer { width: min(1280px, 100%); padding-inline: 40px; margin-inline: auto; }
.site-header { min-height: 90px; display: flex; gap: 24px; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); }
.brand { font: 23px Georgia, serif; white-space: nowrap; }
.brand > svg { width: 28px; height: 28px; fill: none; stroke: var(--gold); stroke-width: 1.2; margin-right: 8px; vertical-align: middle; }
.account-nav { display: flex; align-items: center; flex-wrap: wrap; gap: 22px; font-size: 12px; }
.username { color: var(--mint); overflow-wrap: anywhere; max-width: 220px; }
.text-button { border: 0; background: transparent; color: var(--muted); padding: 8px 0; font-size: 12px; }
.text-button:hover, .account-nav a:hover { color: var(--text); }
.page { flex: 1; padding-bottom: 60px; }
.tabs { display: flex; gap: 34px; border-bottom: 1px solid var(--line); font-size: 13px; }
.tabs a { padding: 23px 0; color: var(--muted); }
.tabs a[aria-current] { color: var(--mint); border-bottom: 2px solid var(--mint); }
.tabs span { margin-left: 12px; }
.eyebrow { color: var(--gold); font-size: 10px; letter-spacing: 2px; line-height: 1.8; margin-bottom: 15px; }
h1 { font: clamp(36px, 4.5vw, 60px)/1.13 Georgia, serif; letter-spacing: -1.8px; margin: 0 0 20px; }
h1 em { color: var(--mint); font-weight: 400; }
h2 { font: 25px/1.25 Georgia, serif; margin: 0 0 22px; }
.intro { color: var(--muted); font-size: 14px; line-height: 1.9; max-width: 570px; }
.page-heading { padding: 48px 0 36px; display: flex; align-items: center; justify-content: space-between; gap: 25px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 12px; border: 1px solid var(--mint); border-radius: 6px; background: var(--mint); color: #17211b; padding: 13px 18px; font-size: 12px; font-weight: 600; line-height: 1.5; text-align: center; }
.button:hover { filter: brightness(1.08); }
.button.secondary { background: #bfd9ac07; color: var(--mint); border-color: #647859; }
.button.small { padding: 9px 12px; }
.button.disabled { opacity: .3; }
.full-width { width: 100%; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 30px; }
.auth-layout { display: grid; grid-template-columns: 1.2fr 1fr; align-items: center; gap: 80px; padding-block: 70px; }
.auth-layout h1 { font-size: clamp(36px, 4.7vw, 62px); }
.auth-panel { max-width: 470px; width: 100%; justify-self: end; }
.auth-panel h2 { font-size: 30px; }
.activity-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.activity-tags span, .session-title h4, .calendar-event span { overflow-wrap: anywhere; }
.activity-tags span { font-size: 10px; line-height: 1.4; border: 1px solid #526645; color: var(--mint); background: #bfd9ac07; padding: 5px 8px; border-radius: 4px; }
.auth-intro .activity-tags { margin-top: 25px; }
.steps { list-style: decimal-leading-zero; margin: 35px 0 0; padding-left: 25px; font-size: 13px; line-height: 2.8; color: var(--muted); }
.steps li { padding-left: 12px; }
.steps li::marker { color: var(--gold); font-size: 10px; }
.form-field { margin-block: 20px; }
.form-field label, .form-field legend { display: block; font-size: 12px; margin-bottom: 9px; }
input:not([type='checkbox']):not([type='hidden']), select { min-width: 0; width: 100%; background: #111d19; color: var(--text); border: 1px solid #50634f; border-radius: 5px; padding: 11px 12px; }
input[type='checkbox'] { width: 17px; height: 17px; accent-color: var(--mint); margin: 0 8px 0 0; vertical-align: middle; }
fieldset { border: 0; padding: 0; margin: 0; }
fieldset legend { padding: 0; }
fieldset > div { display: flex; flex-wrap: wrap; gap: 6px; }
fieldset label { border: 1px solid var(--line); border-radius: 5px; padding: 10px; margin: 0 !important; cursor: pointer; }
fieldset label:has(input:checked) { border-color: var(--mint); background: #bfd9ac12; }
.help-text { color: var(--muted); font-size: 11px; line-height: 1.7; margin-top: 8px; }
.help-text ul { padding-left: 18px; margin: 8px 0; }
.errorlist { color: #ffb1a6; font-size: 12px; line-height: 1.6; padding-left: 18px; }
.invalid input { border-color: #c98277 !important; }
.auth-switch { color: var(--muted); font-size: 12px; margin-top: 22px; text-align: center; }
.auth-switch a { color: var(--mint); text-decoration: underline; text-underline-offset: 3px; }
.messages { margin-top: 24px; }
.message { padding: 14px 18px; border: 1px solid #677e58; border-radius: 6px; background: #bfd9ac0b; font-size: 13px; line-height: 1.6; }
.message + .message { margin-top: 10px; }
.message.error { border-color: #c98277; color: #ffc4b8; }
.stats { display: flex; align-items: center; gap: 32px; padding: 24px 28px; border: 1px solid var(--line); border-radius: 9px; background: #19262290; }
.stats > div { display: flex; flex-direction: column; gap: 7px; }
.stats strong { color: var(--mint); font: 29px Georgia, serif; }
.stats span { color: var(--muted); font-size: 11px; }
.stats > p { margin-left: auto; padding-left: 25px; border-left: 1px solid var(--line); color: var(--muted); font-size: 12px; line-height: 1.9; }
.stats b { color: var(--text); font-weight: 400; }
.week-toolbar { display: flex; align-items: center; gap: 18px; padding-top: 36px; }
.week-heading { margin-right: auto; }
.week-heading .eyebrow { font-size: 9px; margin-bottom: 8px; }
.week-heading h2 { margin: 0; font-size: 24px; }
.week-heading h2 span { color: #657b63; }
.week-picker, .week-arrows { display: flex; gap: 8px; }
.week-picker select { font-size: 12px; }
.legend { display: flex; align-items: center; flex-wrap: wrap; gap: 20px; color: var(--muted); font-size: 11px; padding-block: 20px; line-height: 1.6; }
.legend > span { display: inline-flex; align-items: center; gap: 7px; }
.timezone { margin-left: auto; }
.dot { width: 8px; height: 8px; border-radius: 2px; display: inline-block; }
.dot.proposal { border: 1px dashed #b8cba0; background: #bfd9ac30; }
.dot.confirmed { background: var(--mint); }
.session-day { margin-top: 14px; }
.session-day h3 { color: var(--muted); font-size: 12px; font-weight: 500; margin-block: 20px 12px; }
.session-list { display: grid; gap: 12px; }
.session-card { display: flex; align-items: center; gap: 25px; padding: 25px; border-radius: 9px; border: 1px solid; }
.is-proposal { background: rgb(39 58 43 / 38%); border-color: #6e826080; border-style: dashed; }
.is-confirmed { background: #263c2d; border-color: #93ac7c; box-shadow: inset 3px 0 var(--mint); }
.session-time { display: flex; flex-direction: column; gap: 8px; align-self: flex-start; flex-shrink: 0; min-width: 75px; }
.session-time strong { font: 25px Georgia, serif; }
.session-time span, .session-time small { color: var(--muted); font-size: 11px; }
.session-details { flex: 1; min-width: 0; }
.session-title { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-bottom: 10px; }
.session-title h4 { margin: 0; font: 22px Georgia, serif; }
.badge { font-size: 9px; letter-spacing: .3px; padding: 4px 7px; color: var(--mint); border: 1px solid #73895e80; border-radius: 4px; }
.session-details p { color: var(--muted); font-size: 11px; line-height: 1.8; }
.session-details p strong { font-weight: 500; color: #d9e4ce; }
.session-details .people { overflow-wrap: anywhere; font-size: 10px; }
.session-details .attending { color: var(--mint); }
.session-action { text-align: center; flex-shrink: 0; max-width: 240px; }
.session-action small { display: block; color: var(--muted); margin-top: 9px; font-size: 10px; }
.my-attendance { color: var(--mint); display: block; font-size: 13px; margin-bottom: 5px; }
.muted { color: var(--muted); font-size: 12px; }
.empty-state { text-align: center; padding: 48px 25px; border: 1px dashed var(--line); border-radius: 10px; }
.empty-icon { width: 46px; height: 46px; fill: none; stroke: var(--gold); stroke-width: 1; }
.empty-state h3 { font: 25px Georgia, serif; margin: 15px 0; }
.empty-state p { color: var(--muted); font-size: 13px; line-height: 1.8; max-width: 440px; margin: 0 auto 25px; }
.footnote { color: var(--muted); font-size: 11px; line-height: 1.9; margin-top: 24px; }
.calendar-scroll { max-height: 590px; overflow: auto; border: 1px solid var(--line); border-radius: 9px; background: #15211c; scrollbar-color: #617655 #15211c; }
.calendar { position: relative; display: grid; grid-template-columns: 58px repeat(7, minmax(126px, 1fr)); min-width: 940px; }
.calendar-corner, .day-heading { height: 77px; position: sticky; top: 0; z-index: 3; background: #1a2821; border-bottom: 1px solid var(--line); }
.calendar-corner { left: 0; z-index: 4; display: grid; place-items: center; color: var(--muted); font-size: 10px; }
.day-heading { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; border-left: 1px solid var(--line); }
.day-heading > span { color: var(--muted); text-transform: uppercase; font-size: 9px; letter-spacing: 1px; }
.day-heading > strong { font: 25px Georgia, serif; }
.day-heading a { position: absolute; right: 10px; top: 31px; color: var(--mint); font-size: 20px; }
.day-heading.today { background: #2a3d29; color: var(--mint); }
.hour-labels { position: sticky; left: 0; z-index: 2; background: #15211c; display: flex; flex-direction: column; height: 1152px; color: var(--muted); font-size: 9px; text-align: center; }
.hour-labels span { height: 48px; padding-top: 5px; }
.day-track { height: 1152px; position: relative; border-left: 1px solid var(--line); background: repeating-linear-gradient(to bottom, transparent 0, transparent 23px, #34473e55 23px, #34473e55 24px, transparent 24px, transparent 47px, var(--line) 47px, var(--line) 48px); cursor: crosshair; }
.day-track.past { background-color: #10191899; cursor: default; }
.calendar-event { position: absolute; display: flex; flex-direction: column; gap: 4px; padding: 5px; border: 1px solid #8ea976; border-left: 3px solid var(--mint); border-radius: 4px; background: #364d32; overflow: hidden; font-size: 10px; z-index: 1; }
.calendar-event:hover { background: #46613e; z-index: 2; }
.calendar-event span { color: #d0e2be; font-size: 9px; line-height: 1.5; }
.availability-bottom { display: grid; grid-template-columns: 1fr 1.15fr; gap: 36px; margin-top: 32px; align-items: start; }
.availability-form { scroll-margin-top: 25px; }
.availability-form h2 { margin-bottom: 12px; }
.form-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 18px; font-size: 12px; }
.list-heading { display: flex; align-items: center; justify-content: space-between; gap: 10px; border-bottom: 1px solid var(--line); padding: 8px 0 20px; }
.list-heading h2 { font-size: 23px; margin: 0; }
.list-heading > span { font-size: 12px; color: var(--muted); }
.availability-item { display: flex; align-items: center; justify-content: space-between; gap: 15px; border-bottom: 1px solid var(--line); padding-block: 22px; }
.availability-item > div:first-child { min-width: 0; }
.availability-item .item-actions { flex-shrink: 0; }
.availability-item h3 { font-size: 13px; font-weight: 500; margin: 0 0 8px; }
.availability-item p { color: var(--muted); font-size: 12px; margin-bottom: 10px; }
.item-actions { text-align: right; font-size: 11px; }
.item-actions a { color: var(--mint); }
.danger { color: #d9a49a; }
.empty-list { color: var(--muted); font-size: 13px; line-height: 1.8; padding-block: 30px; }
.site-footer { min-height: 90px; display: flex; align-items: center; justify-content: space-between; gap: 20px; border-top: 1px solid var(--line); font-size: 11px; color: var(--muted); }
.skip-link { position: fixed; z-index: 10; top: 10px; left: 10px; transform: translateY(-150%); background: var(--mint); color: var(--bg); padding: 12px; }
.skip-link:focus { transform: none; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.tutorial-panel { margin-top: 28px; padding: 26px 30px 20px; background: #1c2e24; border: 1px solid #71875e; border-radius: 12px; }
.tutorial-heading { display: flex; align-items: center; justify-content: space-between; gap: 15px; }
.tutorial-heading .eyebrow { font-size: 9px; margin: 0; }
.tutorial-heading > span { color: var(--mint); white-space: nowrap; font-size: 11px; }
.tutorial-progress { height: 3px; background: #3f5338; border-radius: 3px; overflow: hidden; margin: 15px 0 25px; }
.tutorial-progress > span { display: block; height: 100%; background: var(--mint); }
.tutorial-body { display: grid; grid-template-columns: 1.5fr 1fr; gap: 35px; align-items: center; }
.tutorial-copy h2 { font-size: 28px; margin: 0 0 14px; }
.tutorial-copy > p { font-size: 13px; line-height: 1.85; }
.tutorial-copy .tutorial-hint { color: var(--muted); font-size: 12px; margin-top: 10px; }
.tutorial-link { display: inline-flex; gap: 15px; color: var(--mint); font-size: 12px; margin-top: 16px; padding-block: 4px; text-decoration: underline; text-underline-offset: 4px; }
.tutorial-illustration { padding: 22px; border: 1px solid #536c4566; border-radius: 8px; background: #10191845; }
.tutorial-flow { display: flex; align-items: center; justify-content: space-between; gap: 10px; color: var(--muted); font-size: 10px; text-align: center; }
.tutorial-flow b { display: block; margin-bottom: 10px; color: var(--mint); font: 26px Georgia, serif; }
.tutorial-flow i { color: var(--gold); font-style: normal; }
.tutorial-mini-week { display: grid; grid-template-columns: repeat(7, 1fr); gap: 7px; text-align: center; font-size: 10px; color: var(--muted); }
.tutorial-mini-week i { height: 36px; border: 1px solid var(--line); border-radius: 4px; }
.tutorial-mini-week .free { background: #8eaa7055; border-color: #8eaa70; }
.tutorial-illustration .activity-tags { margin-top: 18px; }
.tutorial-demo-slot { padding: 18px; border: 1px solid #8eaa70; border-radius: 7px; display: flex; flex-direction: column; align-items: flex-start; gap: 10px; }
.tutorial-demo-slot.proposal { border-style: dashed; background: #8eaa7018; }
.tutorial-demo-slot.confirmed { background: #354c2e; box-shadow: inset 3px 0 var(--mint); }
.tutorial-demo-label { color: var(--gold); font-size: 8px; letter-spacing: 1.5px; }
.tutorial-demo-slot > strong { font: 24px Georgia, serif; }
.tutorial-demo-slot > span:not(.badge):not(.tutorial-demo-label), .tutorial-demo-slot small { font-size: 11px; color: var(--muted); }
.tutorial-footer { display: flex; align-items: center; justify-content: space-between; gap: 20px; border-top: 1px solid #536c4580; padding-top: 18px; margin-top: 24px; }
.tutorial-footer > p { color: var(--muted); font-size: 11px; line-height: 1.7; }
.tutorial-footer form { display: flex; gap: 10px; flex-shrink: 0; }
.tutorial-footer button:disabled { cursor: wait; opacity: .6; }
.tutorial-error { color: #ffc4b8; font-size: 12px; line-height: 1.7; margin-top: 14px; }
@media (max-width: 1000px) {
  .auth-layout { gap: 35px; }
  .page-heading { align-items: flex-start; flex-direction: column; }
  .stats { gap: 24px; flex-wrap: wrap; }
  .stats > p { padding: 0; border: 0; margin: 0; }
  .session-card { gap: 18px; padding: 20px; }
  .session-title h4 { font-size: 20px; }
  .availability-bottom { gap: 22px; grid-template-columns: 1fr 1fr; }
}
@media (max-width: 700px) {
  .tutorial-panel { padding: 22px 20px 18px; }
  .tutorial-heading { align-items: flex-start; }
  .tutorial-body { grid-template-columns: 1fr; gap: 20px; }
  .tutorial-copy h2 { font-size: 25px; }
  .tutorial-illustration { padding: 16px; }
  .tutorial-footer { flex-wrap: wrap; gap: 14px; }
  .tutorial-footer form { width: 100%; }
  .tutorial-footer button { flex: 1; }
  .site-header, .page, .site-footer { padding-inline: 20px; }
  .site-header { flex-wrap: wrap; gap: 10px; padding-block: 16px; }
  .account-nav { gap: 15px; margin-left: auto; }
  .username { max-width: 150px; }
  .tabs { gap: 20px; font-size: 11px; }
  .tabs a { padding-block: 20px; line-height: 1.6; }
  .tabs span { display: none; }
  .auth-layout { grid-template-columns: 1fr; padding-block: 40px 10px; gap: 30px; }
  .auth-panel { max-width: none; }
  .steps { display: none; }
  .panel { padding: 24px; }
  .page-heading { padding-block: 34px 28px; }
  .intro { font-size: 13px; }
  .stats { padding: 20px; gap: 20px; }
  .stats > div { flex: 1; }
  .stats span { font-size: 10px; }
  .stats > p { font-size: 11px; }
  .week-toolbar { flex-wrap: wrap; gap: 12px; padding-top: 28px; }
  .week-heading { width: 100%; }
  .week-heading h2 { font-size: 23px; }
  .week-arrows { margin-left: auto; }
  .week-picker { flex: 1; }
  .week-picker select { max-width: 190px; }
  .legend { gap: 10px 16px; font-size: 10px; }
  .timezone { margin: 0; width: 100%; }
  .session-card { flex-wrap: wrap; gap: 15px; }
  .session-time { min-width: 62px; }
  .session-time strong { font-size: 23px; }
  .session-action { flex-basis: 100%; max-width: none; text-align: left; border-top: 1px solid #7e98613b; padding-top: 15px; }
  .session-action .button { width: 100%; }
  .session-action small { text-align: center; }
  .session-title { gap: 8px; }
  .empty-state h3 { font-size: 23px; }
  .calendar-scroll { max-height: 500px; }
  .availability-bottom { grid-template-columns: 1fr; gap: 30px; }
  .site-footer { flex-wrap: wrap; justify-content: center; gap: 8px; padding-block: 22px; font-size: 10px; }
}