:root { color-scheme: light; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: #172033; background: #f4f6fa; }
* { box-sizing: border-box; }
body { margin: 0; }
.wrap { width: min(760px, calc(100% - 32px)); margin: 48px auto; }
header, .panel-heading { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
header .header-actions { display: flex; align-items: center; gap: 8px; }
header { margin-bottom: 24px; }
h1 { margin: 4px 0 0; font-size: 30px; letter-spacing: -.5px; }
h2 { margin: 0 0 8px; font-size: 18px; }
h3 { margin: 22px 0 10px; font-size: 15px; }
p { margin: 0; color: #647089; line-height: 1.5; }
.eyebrow { color: #5c6fc4; font-size: 11px; font-weight: 700; letter-spacing: 1.2px; }
.panel { background: white; border: 1px solid #e3e7ef; border-radius: 12px; padding: 22px; margin: 16px 0; box-shadow: 0 3px 12px #1c2a4410; }
.narrow { max-width: 420px; }
.narrow form { display: grid; gap: 14px; }
.narrow form label, .narrow form input, .narrow form button { width: 100%; }
.narrow form button { margin-top: 4px; }
.create-user-form { display: flex; align-items: end; gap: 12px; }
.create-user-form label { flex: 1; }
.temporary-password { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 16px; padding: 14px; border: 1px solid #d8e7db; border-radius: 9px; background: #f1faf3; }
.temporary-password p { flex-basis: 100%; font-size: 13px; color: #31523b; }
.temporary-password code { overflow-wrap: anywhere; font-size: 15px; font-weight: 700; }
.user-list, .activity-list { display: grid; gap: 10px; margin-top: 14px; }
.user-card { display: grid; grid-template-columns: 1fr auto; gap: 8px 14px; align-items: center; padding: 14px; border: 1px solid #e3e7ef; border-radius: 9px; }
.user-card > div:first-child { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.user-card .small { grid-column: 1; margin: 0; }
.user-actions { grid-column: 2; grid-row: 1 / span 2; display: flex; gap: 8px; }
.user-actions button { min-height: 34px; font-size: 12px; }
.activity-row { display: flex; justify-content: space-between; gap: 12px; padding: 10px 0; border-bottom: 1px solid #edf0f5; font-size: 13px; }
.activity-row span { color: #78839a; text-align: right; }
.activity-panel > summary { display: flex; flex-direction: column; gap: 4px; cursor: pointer; list-style-position: inside; }
.activity-panel > summary span { font-size: 18px; font-weight: 700; }
.activity-panel > summary small { color: #78839a; font-size: 12px; }
.activity-panel[open] > summary { margin-bottom: 10px; }
form { margin-top: 20px; }
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
label { display: flex; flex-direction: column; gap: 7px; font-size: 13px; font-weight: 600; }
input, select { width: 100%; min-width: 0; height: 40px; border: 1px solid #ccd3e0; border-radius: 7px; background: #fff; padding: 0 11px; color: #172033; font: inherit; font-size: 14px; }
input:focus, select:focus { outline: 2px solid #8a9be6; outline-offset: 1px; border-color: #7185df; }
button { min-height: 39px; border: 0; border-radius: 7px; background: #465fc4; color: white; padding: 0 15px; font: inherit; font-size: 14px; font-weight: 650; cursor: pointer; }
button:hover { filter: brightness(.95); }
button.secondary { background: #e9edf8; color: #344578; }
button.quiet { background: transparent; color: #53617b; }
button.danger { background: #fff0ef; color: #a33a34; }
.actions { grid-column: 1 / -1; display: flex; align-items: center; gap: 10px; margin-top: 4px; }
.advanced { grid-column: 1 / -1; border-top: 1px solid #edf0f5; padding-top: 12px; }
.advanced summary { color: #53617b; cursor: pointer; font-size: 13px; font-weight: 600; }
.advanced-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; padding-top: 16px; }
.feed-row { display: flex; gap: 10px; margin-top: 16px; }
.feed-row input { flex: 1; font-family: ui-monospace, SFMono-Regular, monospace; font-size: 12px; }
.badge { padding: 6px 10px; border-radius: 99px; background: #f0f2f6; color: #58637a; font-size: 12px; white-space: nowrap; }
.badge.good { background: #e9f7ef; color: #237247; }
.badge.bad { background: #fff0ef; color: #a33a34; }
.badge.loading { background: #fff6df; color: #795c12; }
.muted, .small { color: #78839a; font-size: 12px; font-weight: 400; }
.small { margin-top: 11px; }
.feed-warning { color: #a33a34; }
dl { display: grid; grid-template-columns: 170px 1fr; gap: 11px; margin: 18px 0 0; font-size: 13px; }
dt { color: #78839a; } dd { margin: 0; overflow-wrap: anywhere; }
.notice { margin: 12px 0; padding: 12px 14px; border-radius: 8px; background: #eaf2ff; color: #284c86; font-size: 14px; }
.notice.error { background: #fff0ef; color: #9b302a; }
.schedule-message { margin-top: 14px; font-size: 13px; }
.schedule-message.loading { padding: 10px 12px; border-radius: 7px; background: #fff9e9; color: #795c12; }
.schedule-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; margin-top: 16px; }
.schedule-day { border: 1px solid #e3e7ef; border-radius: 9px; padding: 14px; min-width: 0; }
.schedule-day h3 { margin: 0 0 12px; font-size: 14px; }
.day-empty { color: #8993a7; font-size: 13px; }
.lesson-row { display: grid; grid-template-columns: 82px 1fr; gap: 9px; padding: 10px 0; border-top: 1px solid #edf0f5; font-size: 13px; }
.lesson-time { color: #465fc4; font-variant-numeric: tabular-nums; white-space: nowrap; }
.lesson-details { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.lesson-details span { color: #647089; overflow-wrap: anywhere; }
.lesson-details .lesson-note { color: #9b5b18; }
.lesson-row.cancelled strong, .lesson-row.cancelled .lesson-time { color: #a33a34; text-decoration: line-through; }
.hidden { display: none !important; }
footer { color: #8993a7; font-size: 12px; margin: 24px 2px; }
@media (max-width: 560px) { .wrap { margin: 24px auto; } .grid, .advanced-grid { grid-template-columns: 1fr; } .advanced { grid-column: auto; } .actions { grid-column: auto; flex-wrap: wrap; } .panel-heading { align-items: flex-start; } .feed-row { flex-direction: column; } .create-user-form { align-items: stretch; flex-direction: column; } .user-card { grid-template-columns: 1fr; } .user-card .small, .user-actions { grid-column: 1; grid-row: auto; } .activity-row { flex-direction: column; gap: 4px; } .activity-row span { text-align: left; } dl { grid-template-columns: 1fr; gap: 5px; } dd { margin-bottom: 8px; } }