/* Broder operational views inherit the selected shared shell, theme and navigation. */
.robin-icon { display: inline-block; flex: none; width: 1.2em; height: 1.2em; vertical-align: -.15em; }
.ti-arrow-left { transform: rotate(180deg); }
.ti-arrow-up-right { transform: rotate(-45deg); }
body.robin-app {
  --shadow-soft: var(--shadow-md);
  --shadow-card: var(--shadow-sm);
  color: var(--text-primary);
  background: var(--background);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

body.robin-app :is(h1, h2, h3, h4, .robin-brand) {
  color: var(--text-primary);
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: -.025em;
}

body.robin-app a { color: var(--brand-link); }
body.robin-app a:hover { color: var(--brand-primary-deep); }
body.robin-app :is(button, a, input, select, textarea, summary):focus-visible {
  outline: 3px solid color-mix(in srgb, var(--brand-primary) 78%, #fff 22%);
  outline-offset: 3px;
}

.robin-skip-link { position: fixed; z-index: 3000; top: 8px; left: 8px; transform: translateY(-150%); padding: 10px 14px; border-radius: 11px; background: var(--text-primary); color: var(--surface) !important; }
.robin-skip-link:focus { transform: translateY(0); }
.robin-shell { min-height: 100dvh; }
.robin-sidebar { position: fixed; z-index: 1040; inset: 0 auto 0 0; display: flex; flex-direction: column; width: 248px; padding: 27px 16px 17px; border-right: 1px solid var(--border); background: var(--surface); }
.robin-brand, .robin-mobile-brand { display: inline-flex; align-items: center; gap: 11px; width: fit-content; color: var(--text-primary) !important; text-decoration: none; font: 500 27px/1 var(--font-display); letter-spacing: -.055em; }
.robin-brand-mark { display: block; width: 37px; height: 37px; border-radius: 11px; object-fit: contain; }
.robin-nav-caption { margin: 44px 12px 10px; color: var(--text-muted); font-size: 10px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.robin-nav { display: grid; gap: 5px; }
.robin-nav-link { display: flex; align-items: center; gap: 12px; min-height: 45px; padding: 0 13px; border-radius: 12px; color: var(--text-secondary) !important; text-decoration: none; font-size: 13px; font-weight: 550; transition: background-color 150ms ease, color 150ms ease, transform 150ms ease; }
.robin-nav-link > .ti { width: 20px; height: 20px; color: inherit; font-size: 19px; }
.robin-nav-link:hover { background: var(--surface-secondary); color: var(--text-primary) !important; transform: translateX(2px); }
.robin-nav-link.is-active { background: var(--brand-primary-soft); color: var(--text-primary) !important; box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--brand-primary) 25%, transparent); }
.robin-agent-link { margin-top: 18px; background: var(--surface-secondary); }
.robin-agent-link .robin-nav-arrow { width: 14px; margin-left: auto; color: var(--text-muted); font-size: 14px; }
.robin-sidebar-bottom { display: grid; gap: 10px; margin-top: auto; padding: 14px 4px 0; border-top: 1px solid var(--border); }
.robin-account-chip { display: flex; align-items: center; gap: 10px; min-width: 0; padding: 5px; }
.robin-avatar { display: grid; flex: none; place-items: center; width: 34px; height: 34px; overflow: hidden; border: 1px solid var(--border); border-radius: 50%; background: var(--brand-primary-soft); color: var(--brand-primary-deep); font: 600 12px/1 var(--font-body); text-transform: uppercase; }
.robin-avatar--large { width: 44px; height: 44px; font-size: 15px; }
.robin-account-copy { display: grid; min-width: 0; gap: 2px; }
.robin-account-copy strong { overflow: hidden; color: var(--text-primary); font-size: 12px; font-weight: 600; text-overflow: ellipsis; white-space: nowrap; }
.robin-account-copy small { color: var(--text-muted); font-size: 11px; }
.robin-sign-out { min-height: 39px; padding: 7px 10px; border: 0; border-radius: 10px; background: transparent; color: var(--text-secondary); font-size: 12px; text-align: left; }
.robin-sign-out:hover { background: var(--surface-secondary); color: var(--text-primary); }
.robin-main { min-height: 100dvh; margin-left: 248px; }
.robin-topbar { position: sticky; z-index: 1020; top: 0; display: flex; align-items: center; justify-content: flex-end; gap: 18px; min-height: 66px; padding: 10px clamp(20px, 4vw, 54px); border-bottom: 1px solid color-mix(in srgb, var(--border) 74%, transparent); background: color-mix(in srgb, var(--background) 92%, transparent); backdrop-filter: blur(16px); }
.robin-mobile-brand { display: none; }
.robin-topbar-context { color: var(--text-secondary); font-size: 12px; }
.robin-topbar-settings { display: inline-flex; align-items: center; justify-content: center; min-height: 37px; padding: 7px 12px; border: 1px solid var(--border); border-radius: 10px; background: var(--surface); color: var(--text-primary) !important; text-decoration: none; font-size: 12px; }
.robin-topbar-settings:hover { border-color: var(--border-strong); background: var(--surface-secondary); }
.robin-mobile-nav { display: none; }
.robin-content { width: min(100%, 1510px); min-height: calc(100dvh - 120px); margin: 0 auto; padding: 37px clamp(22px, 4vw, 58px) 54px; }
.robin-footer { display: flex; justify-content: space-between; gap: 12px; width: min(100%, 1510px); margin: 0 auto; padding: 18px clamp(22px, 4vw, 58px) 24px; color: var(--text-muted); font-size: 11px; }
.robin-footer a { color: var(--text-secondary); text-decoration: none; }
.robin-footer a:hover { text-decoration: underline; }
.robin-flash { margin: 0 0 20px; padding: 12px 15px; border: 1px solid var(--border); border-radius: 12px; background: var(--surface); box-shadow: var(--shadow-card); font-size: 13px; }
.robin-flash--success { border-color: color-mix(in srgb, var(--status-success) 23%, var(--border)); }
.robin-flash--error { border-color: color-mix(in srgb, var(--status-danger) 28%, var(--border)); background: color-mix(in srgb, var(--status-danger) 5%, var(--surface)); }

.robin-page-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 28px; margin-bottom: 26px; }
.robin-page-heading h1 { margin: 2px 0 7px; font-size: clamp(31px, 3.4vw, 45px); line-height: 1.08; }
.robin-eyebrow { margin: 0 0 7px; color: var(--brand-primary-deep); font-size: 10px; font-weight: 750; letter-spacing: .12em; text-transform: uppercase; }
.robin-page-description { max-width: 62ch; margin: 0; color: var(--text-secondary); font-size: 13px; line-height: 1.65; }
.robin-agent-cta { display: flex; align-items: center; gap: 12px; min-width: 254px; padding: 11px 14px; border: 1px solid var(--border); border-radius: 17px; background: var(--surface); box-shadow: var(--shadow-card); color: var(--text-primary) !important; text-decoration: none; transition: transform 150ms ease, box-shadow 150ms ease; }
.robin-agent-cta:hover { transform: translateY(-2px); box-shadow: var(--shadow-soft); }
.robin-agent-orbit { display: grid; flex: none; place-items: center; width: 38px; height: 38px; border-radius: 13px; background: var(--brand-primary); color: #27261d; font-size: 20px; }
.robin-agent-cta > span:nth-child(2) { display: grid; gap: 2px; }
.robin-agent-cta strong { color: var(--text-primary); font-size: 12px; font-weight: 650; }
.robin-agent-cta small { color: var(--text-secondary); font-size: 10px; }
.robin-agent-cta > .ti-arrow-up-right { margin-left: auto; color: var(--text-muted); }
.robin-glance { display: flex; align-items: center; gap: 22px; min-height: 83px; margin: 0 0 29px; padding: 14px 20px; border: 1px solid var(--border); border-radius: 17px; background: var(--surface); box-shadow: var(--shadow-card); }
.robin-glance-intro { display: flex; align-items: center; gap: 11px; min-width: 225px; margin-right: auto; }
.robin-sun-mark { display: grid; flex: none; place-items: center; width: 45px; height: 45px; border-radius: 15px; background: var(--brand-primary); color: #29271d; font-size: 23px; box-shadow: inset 0 1px 0 rgb(255 255 255 / 48%); }
.robin-glance-intro > span:last-child { display: grid; gap: 3px; }
.robin-glance-intro strong { font-family: var(--font-display); font-size: 16px; font-weight: 500; }
.robin-glance-intro small { color: var(--text-secondary); font-size: 10px; }
.robin-glance-metric { display: grid; gap: 2px; min-width: 77px; padding-left: 17px; border-left: 1px solid var(--border); }
.robin-glance-metric strong { font: 500 23px/1 var(--font-display); font-variant-numeric: tabular-nums; }
.robin-glance-metric span { color: var(--text-secondary); font-size: 10px; }
.robin-work-grid { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(280px, .85fr); align-items: start; gap: 24px; }
.robin-work-grid--agenda { grid-template-columns: minmax(0, 1.52fr) minmax(315px, .88fr); }
.robin-stack { display: grid; align-content: start; gap: 18px; min-width: 0; }
.robin-side-stack { gap: 17px; }
.robin-section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 15px; min-height: 42px; margin-bottom: 2px; }
.robin-section-heading h2 { margin: 0; font-size: 22px; line-height: 1.2; }
.robin-section-heading .robin-eyebrow { margin-bottom: 4px; }
.robin-count { display: inline-grid; flex: none; place-items: center; min-width: 29px; height: 27px; padding: 0 8px; border: 1px solid var(--border); border-radius: 9px; background: var(--surface); color: var(--text-secondary); font-size: 11px; font-weight: 650; font-variant-numeric: tabular-nums; }

.robin-panel, .robin-group-card, .robin-student-card, .robin-lesson-card, .robin-operation-card, .robin-ledger-row, .robin-discover-card, .robin-empty-card, .robin-panel--quiet { border: 1px solid var(--border); border-radius: 18px; background: var(--surface); box-shadow: var(--shadow-card); }
.robin-panel { padding: 21px; }
.robin-panel--quiet { background: color-mix(in srgb, var(--surface) 72%, var(--surface-secondary)); }
.robin-panel-heading { display: flex; align-items: center; gap: 11px; margin-bottom: 19px; }
.robin-panel-heading h2 { margin: 0; font-size: 18px; line-height: 1.2; }
.robin-panel-heading .robin-eyebrow { margin-bottom: 3px; }
.robin-panel-icon { display: grid; flex: none; place-items: center; width: 39px; height: 39px; border-radius: 13px; background: var(--brand-primary-soft); color: var(--brand-primary-deep); font-size: 20px; }
.robin-button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 43px; padding: 10px 15px; border: 1px solid var(--border-strong) !important; border-radius: 11px !important; background: var(--surface) !important; color: var(--text-primary) !important; font: 600 12px/1.25 var(--font-body) !important; box-shadow: none !important; text-decoration: none; transition: transform 140ms ease, border-color 140ms ease, background-color 140ms ease; }
.robin-button:hover { transform: translateY(-1px); border-color: var(--brand-primary) !important; background: var(--surface-secondary) !important; }
body.robin-app .robin-button.btn-primary { border-color: var(--brand-primary) !important; background: var(--brand-primary) !important; color: #28271f !important; }
body.robin-app .robin-button.btn-primary:hover { background: var(--brand-primary-hover) !important; }
.robin-button--wide { width: 100%; }
.robin-button--confirm { min-height: 39px; }
.robin-button--quiet-danger { color: var(--status-danger) !important; }
.robin-button--quiet-danger:hover { border-color: color-mix(in srgb, var(--status-danger) 40%, var(--border)) !important; background: color-mix(in srgb, var(--status-danger) 6%, var(--surface)) !important; }
.robin-text-link { display: inline-flex; align-items: center; gap: 6px; min-height: 35px; color: var(--brand-link); text-decoration: none; font-size: 11px; font-weight: 650; }
.robin-text-link:hover { text-decoration: underline; }
.robin-muted { color: var(--text-secondary); }
.robin-form-stack, .robin-form-grid, .robin-form-row { display: grid; gap: 13px; }
.robin-form-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.robin-form-row { grid-template-columns: minmax(0, 1fr) auto; align-items: end; }
.robin-form-pair { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 13px; }
.robin-field { display: grid; align-content: start; gap: 6px; min-width: 0; }
.robin-field--wide { grid-column: 1 / -1; }
.robin-field--grow { min-width: 0; }
.robin-field--button { display: grid; }
.robin-field label, .robin-field-label { color: var(--text-secondary); font-size: 11px; font-weight: 650; }
.robin-field-label { display: block; margin-bottom: 7px; }
body.robin-app :is(.robin-field .form-control, .robin-field .form-select, .robin-discover-search .form-control, .robin-share-url) { min-height: 43px; border: 1px solid var(--border-strong); border-radius: 10px; background-color: var(--surface); color: var(--text-primary); font: 400 12px/1.4 var(--font-body); box-shadow: none; }
body.robin-app .robin-field :is(textarea.form-control) { min-height: 88px; }
body.robin-app .robin-field :is(.form-control, .form-select):focus { border-color: var(--brand-primary-deep); box-shadow: 0 0 0 3px color-mix(in srgb, var(--brand-primary) 22%, transparent); }
body.robin-app .robin-field .form-control::placeholder { color: var(--text-muted); }
.robin-field-hint { color: var(--text-muted); font-size: 10px; }
.robin-form-note { margin: 0; color: var(--text-muted); font-size: 10px; line-height: 1.55; }
.robin-form-note .ti { margin-right: 5px; vertical-align: -1px; }
.robin-empty-card { display: grid; justify-items: start; gap: 7px; padding: 27px; }
.robin-empty-card--wide { padding: 38px; }
.robin-empty-mark { display: grid; place-items: center; width: 43px; height: 43px; margin-bottom: 4px; border-radius: 14px; background: var(--brand-primary-soft); color: var(--brand-primary-deep); font-size: 22px; }
.robin-empty-card h2, .robin-empty-card h3 { margin: 0; font-size: 19px; }
.robin-empty-card p { max-width: 48ch; margin: 0 0 5px; color: var(--text-secondary); font-size: 12px; line-height: 1.6; }
.robin-group-list, .robin-student-list, .robin-operation-list, .robin-ledger { display: grid; gap: 12px; }
.robin-group-card { padding: 19px; }
.robin-group-card-top { display: flex; align-items: center; justify-content: space-between; }
.robin-group-glyph { display: grid; flex: none; place-items: center; width: 42px; height: 42px; border-radius: 14px; background: var(--brand-primary-soft); color: var(--brand-primary-deep); font-size: 21px; }
.robin-group-card h3 { margin: 14px 0 4px; font-size: 21px; }
.robin-group-card > .robin-muted { margin: 0; font-size: 11px; }
.robin-group-meta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 15px; color: var(--text-secondary); font-size: 10px; }
.robin-group-meta span { display: inline-flex; align-items: center; gap: 5px; }
.robin-group-meta .ti { color: var(--text-muted); font-size: 14px; }
.robin-pill { display: inline-flex; align-items: center; gap: 5px; min-height: 23px; padding: 4px 9px; border: 1px solid transparent; border-radius: 20px; background: var(--surface-secondary); color: var(--text-secondary); font-size: 9px; font-weight: 700; letter-spacing: .015em; line-height: 1; white-space: nowrap; }
.robin-pill--active, .robin-pill--scheduled, .robin-pill--present { background: var(--status-success-bg); color: var(--status-success); }
.robin-pill--cancelled, .robin-pill--archived, .robin-pill--removed, .robin-pill--absent { background: color-mix(in srgb, var(--status-danger) 8%, var(--surface)); color: var(--status-danger); }
.robin-pill--unreported { background: var(--brand-primary-soft); color: var(--brand-primary-deep); }
.robin-disclosure { margin-top: 15px; border-top: 1px solid var(--border); }
.robin-disclosure > summary, .robin-join-disclosure > summary { display: flex; align-items: center; justify-content: space-between; gap: 10px; min-height: 43px; color: var(--text-secondary); cursor: pointer; list-style: none; font-size: 11px; font-weight: 650; }
.robin-disclosure > summary::-webkit-details-marker, .robin-join-disclosure > summary::-webkit-details-marker { display: none; }
.robin-disclosure > summary::after { content: '⌄'; font-family: inherit; font-size: 15px; transition: transform 150ms ease; }
.robin-disclosure[open] > summary::after { transform: rotate(180deg); }
.robin-details-content { display: grid; gap: 14px; padding: 4px 0 2px; }
.robin-subform { display: grid; gap: 9px; padding: 14px 0 2px; border-top: 1px solid var(--border); }
.robin-subform h4 { margin: 0; font-size: 14px; }
.robin-code-link { margin-top: 2px; }
.robin-disclosure--quiet { margin-top: 12px; }
.robin-location-list, .robin-share-list { display: grid; gap: 0; margin: 0; padding: 0; list-style: none; }
.robin-location-list li { display: flex; align-items: flex-start; gap: 10px; padding: 11px 0; border-top: 1px solid var(--border); }
.robin-location-list li > .ti { margin-top: 2px; color: var(--brand-primary-deep); }
.robin-location-content { display: grid; flex: 1; min-width: 0; }
.robin-location-content > span { display: grid; gap: 3px; }
.robin-location-content .robin-disclosure { margin-top: 4px; }
.robin-location-list strong { font-size: 11px; font-weight: 650; }
.robin-location-list small { color: var(--text-muted); font-size: 10px; }
.robin-form-stack.robin-details-content { padding-top: 12px; }
.robin-group-list--student { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.robin-group-card--student { display: grid; grid-template-columns: 42px minmax(0, 1fr) auto; align-items: start; gap: 13px; }
.robin-group-card--student > .robin-group-glyph { grid-row: span 2; }
.robin-group-card--student h3 { margin: 1px 0 3px; font-size: 17px; }
.robin-group-card--student p { margin: 0 0 6px; font-size: 11px; }
.robin-group-place { display: flex; align-items: center; gap: 4px; color: var(--text-muted); font-size: 10px; }
.robin-group-place .ti { font-size: 13px; }
.robin-group-card--student > .robin-pill { grid-column: 2 / -1; width: fit-content; }
.robin-section-heading > .btn { min-width: fit-content; }

.robin-lesson-list { display: grid; gap: 13px; margin: 0; padding: 0; list-style: none; }
.robin-lesson-item { display: grid; grid-template-columns: 74px minmax(0, 1fr); align-items: start; gap: 13px; }
.robin-lesson-time { display: grid; gap: 4px; padding-top: 18px; text-align: right; }
.robin-lesson-time strong { color: var(--text-primary); font-size: 12px; font-variant-numeric: tabular-nums; }
.robin-lesson-time span { color: var(--text-muted); font-size: 9px; }
.robin-lesson-card { min-width: 0; padding: 16px 17px; }
.robin-lesson-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.robin-lesson-heading h3 { margin: 7px 0 0; font-size: 18px; line-height: 1.2; }
.robin-lesson-ball { color: var(--brand-primary-deep); font-size: 21px; }
.robin-lesson-meta { display: flex; flex-wrap: wrap; gap: 9px 13px; margin-top: 12px; color: var(--text-secondary); font-size: 10px; }
.robin-lesson-meta span { display: inline-flex; align-items: center; gap: 4px; }
.robin-lesson-meta .ti { color: var(--text-muted); font-size: 13px; }
.robin-participant-strip { margin-top: 14px; padding-top: 11px; border-top: 1px solid var(--border); }
.robin-participant-pills { display: flex; flex-wrap: wrap; gap: 6px; }
.robin-participant-pills > span { display: inline-flex; align-items: center; gap: 5px; padding: 5px 8px; border: 1px solid var(--border); border-radius: 20px; background: var(--surface-secondary); font-size: 9px; }
.robin-participant-pills small { color: var(--text-muted); font-size: 8px; }
.robin-no-participants { margin-top: 13px; }
.robin-lesson-manage { padding-top: 11px; }
.robin-participant-fieldset { min-width: 0; margin: 0; padding: 12px; border: 1px solid var(--border); border-radius: 12px; }
.robin-participant-fieldset legend { float: none; width: auto; margin: 0; padding: 0 4px; color: var(--text-secondary); font-size: 10px; font-weight: 650; }
.robin-check-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px; }
.robin-check { display: flex; align-items: flex-start; gap: 7px; min-width: 0; padding: 7px; border-radius: 9px; background: var(--surface-secondary); cursor: pointer; }
.robin-check input { margin-top: 3px; accent-color: var(--brand-primary-deep); }
.robin-check span { display: grid; gap: 2px; min-width: 0; }
.robin-check strong { overflow: hidden; font-size: 9px; font-weight: 600; text-overflow: ellipsis; white-space: nowrap; }
.robin-check small { color: var(--text-muted); font-size: 8px; }
.robin-attendance-box { display: grid; gap: 11px; padding: 14px; border: 1px solid var(--border); border-radius: 13px; background: var(--surface-secondary); }
.robin-attendance-box h4 { margin: 0; font-size: 14px; }
.robin-attendance-row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(130px, .7fr); align-items: center; gap: 10px; font-size: 10px; }
body.robin-app .robin-attendance-row .form-select { min-height: 37px; border-radius: 9px; font-size: 10px; }
.robin-cancel-form { padding-top: 10px; border-top: 1px solid var(--border); }
.robin-share-list li { display: flex; align-items: center; gap: 9px; min-width: 0; padding: 10px 0; border-top: 1px solid var(--border); }
.robin-share-icon { display: grid; flex: none; place-items: center; width: 31px; height: 31px; border-radius: 10px; background: var(--surface-strong); color: var(--text-secondary); }
.robin-share-copy { display: grid; flex: 1; min-width: 0; gap: 2px; }
.robin-share-copy strong { overflow: hidden; color: var(--text-primary); font-size: 10px; text-overflow: ellipsis; white-space: nowrap; }
.robin-share-copy small { color: var(--text-muted); font-size: 9px; }
.robin-share-list .robin-text-link { flex: none; font-size: 9px; }
.robin-revoke-form { flex: none; }
.robin-icon-action { display: grid; place-items: center; width: 32px; height: 32px; border: 0; border-radius: 9px; background: transparent; color: var(--text-muted); }
.robin-icon-action:hover { background: color-mix(in srgb, var(--status-danger) 8%, var(--surface)); color: var(--status-danger); }
.robin-share-date-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.robin-student-agenda { max-width: 840px; }
.robin-lesson-card--student { padding: 20px; }
.robin-teacher-credit { display: flex; align-items: center; gap: 5px; margin: 13px 0 0; padding-top: 11px; border-top: 1px solid var(--border); color: var(--text-secondary); font-size: 10px; }

.robin-student-card { padding: 17px; }
.robin-student-card-heading { display: flex; align-items: center; gap: 11px; min-width: 0; }
.robin-student-card-heading > div { flex: 1; min-width: 0; }
.robin-student-card-heading h3 { overflow: hidden; margin: 0 0 3px; font-size: 17px; text-overflow: ellipsis; white-space: nowrap; }
.robin-student-link-status { display: inline-flex; align-items: center; gap: 4px; color: var(--text-muted); font-size: 9px; }
.robin-student-link-status .ti { font-size: 12px; }
.robin-student-contact { margin: 13px 0 0; padding: 10px 0; border-top: 1px solid var(--border); color: var(--text-secondary); font-size: 10px; line-height: 1.65; overflow-wrap: anywhere; }
.robin-enrollment-list { display: grid; gap: 4px; margin-top: 11px; }
.robin-enrollment-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 8px 0; border-top: 1px solid var(--border); }
.robin-enrollment-row > span { display: grid; gap: 2px; }
.robin-enrollment-row strong { font-size: 10px; font-weight: 650; }
.robin-enrollment-row small { color: var(--text-muted); font-size: 9px; }
.robin-subtle-button { min-height: 31px; padding: 5px 8px; border: 1px solid var(--border); border-radius: 8px; background: transparent; color: var(--text-secondary); font: 600 9px var(--font-body); }
.robin-subtle-button:hover { border-color: var(--border-strong); background: var(--surface-secondary); color: var(--text-primary); }
.robin-link-invite { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: 14px; padding: 12px 0 0; border-top: 1px solid var(--border); }
.robin-link-invite > span { display: grid; gap: 3px; }
.robin-link-invite strong { font-size: 10px; }
.robin-link-invite small { max-width: 28ch; color: var(--text-muted); font-size: 9px; line-height: 1.4; }
.robin-claim-link { margin-top: 8px; }
.robin-note-card { display: flex; align-items: flex-start; gap: 12px; padding: 16px; border: 1px solid var(--border); border-radius: 16px; background: var(--brand-primary-soft); color: var(--text-primary); }
.robin-note-icon { flex: none; color: var(--brand-primary-deep); font-size: 20px; }
.robin-note-card p { margin: 0; font-size: 10px; line-height: 1.6; }

.robin-ledger { gap: 0; overflow: hidden; border: 1px solid var(--border); border-radius: 17px; background: var(--surface); box-shadow: var(--shadow-card); }
.robin-ledger-row { display: flex; align-items: center; gap: 12px; padding: 14px 16px; border: 0; border-radius: 0; background: transparent; box-shadow: none; }
.robin-ledger-row + .robin-ledger-row { border-top: 1px solid var(--border); }
.robin-ledger-mark { display: grid; flex: none; place-items: center; width: 36px; height: 36px; border-radius: 12px; background: var(--brand-primary-soft); color: var(--brand-primary-deep); font-size: 16px; }
.robin-ledger-mark--reported_receipt { background: var(--status-success-bg); color: var(--status-success); }
.robin-ledger-mark--expense { background: color-mix(in srgb, var(--status-danger) 8%, var(--surface)); color: var(--status-danger); }
.robin-ledger-copy { display: grid; flex: 1; min-width: 0; gap: 4px; }
.robin-ledger-copy strong { overflow: hidden; color: var(--text-primary); font-size: 11px; font-weight: 650; text-overflow: ellipsis; white-space: nowrap; }
.robin-ledger-copy small { color: var(--text-muted); font-size: 9px; }
.robin-ledger-amount { color: var(--text-primary); font-size: 12px; font-weight: 700; font-variant-numeric: tabular-nums; white-space: nowrap; }
.robin-ledger-amount--expense { color: var(--status-danger); }
.robin-ledger-amount--reported_receipt { color: var(--status-success); }
.robin-finance-note { max-width: 75ch; }

.robin-operations { margin: 0 0 27px; padding: 17px; border: 1px solid color-mix(in srgb, var(--brand-primary) 40%, var(--border)); border-radius: 18px; background: color-mix(in srgb, var(--brand-primary-soft) 38%, var(--surface)); }
.robin-operations > .robin-section-heading { margin: 0 0 11px; }
.robin-operations .robin-section-heading h2 { font-size: 17px; }
.robin-operation-card { display: flex; gap: 12px; padding: 14px; border-radius: 13px; box-shadow: none; }
.robin-operation-mark { display: grid; flex: none; place-items: center; width: 32px; height: 32px; border-radius: 10px; background: var(--brand-primary-soft); color: var(--brand-primary-deep); }
.robin-operation-card--committed .robin-operation-mark { background: var(--status-success-bg); color: var(--status-success); }
.robin-operation-content { flex: 1; min-width: 0; }
.robin-operation-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; color: var(--text-secondary); font-size: 10px; }
.robin-operation-heading strong { color: var(--text-primary); font-weight: 700; }
.robin-operation-heading span { color: var(--text-muted); font-variant-numeric: tabular-nums; }
.robin-operation-summary { margin: 8px 0; color: var(--text-primary); font-size: 12px; line-height: 1.6; white-space: pre-wrap; overflow-wrap: anywhere; }
.robin-operation-note { margin: 5px 0 10px; color: var(--text-muted); font-size: 10px; line-height: 1.5; }
.robin-inline-form { display: inline-flex; }
.robin-receipt-values { display: flex; flex-wrap: wrap; gap: 8px 18px; margin: 8px 0; }
.robin-receipt-values > div { display: grid; gap: 2px; }
.robin-receipt-values dt { color: var(--text-muted); font-size: 9px; font-weight: 500; }
.robin-receipt-values dd { margin: 0; color: var(--text-primary); font-size: 10px; font-weight: 650; overflow-wrap: anywhere; }

.robin-discover-search { display: grid; grid-template-columns: 36px minmax(0, 1fr) auto; align-items: center; max-width: 760px; gap: 7px; margin: 22px 0 23px; padding: 6px 7px 6px 12px; border: 1px solid var(--border); border-radius: 14px; background: var(--surface); box-shadow: var(--shadow-card); }
.robin-discover-search label { display: grid; place-items: center; margin: 0; color: var(--text-muted); font-size: 18px; }
body.robin-app .robin-discover-search .form-control { min-width: 0; min-height: 40px; border: 0; background: transparent; }
.robin-discover-search .robin-button { min-height: 39px; }
.robin-discover-results { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 13px; max-width: 950px; }
.robin-discover-card { min-width: 0; padding: 17px; }
.robin-discover-card-main { display: flex; align-items: flex-start; gap: 12px; }
.robin-discover-card-main > div { min-width: 0; }
.robin-discover-card-main h2 { margin: 1px 0 3px; font-size: 18px; }
.robin-discover-card-main p { margin: 0 0 6px; color: var(--text-secondary); font-size: 10px; }
.robin-discover-card-main > div > span { display: inline-flex; align-items: center; gap: 4px; color: var(--text-muted); font-size: 9px; }
.robin-discover-card-main > div > .robin-public-id { display: block; margin-top: 5px; color: var(--text-muted); font-size: 9px; letter-spacing: .02em; }
.robin-join-disclosure { margin-top: 14px; border-top: 1px solid var(--border); }
.robin-join-disclosure > summary { color: var(--brand-link); }
.robin-join-disclosure > summary .ti { transition: transform 150ms ease; }
.robin-join-disclosure[open] > summary .ti { transform: rotate(90deg); }
.robin-join-form { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: end; gap: 10px; }
.robin-join-form .robin-field { min-width: 0; }
.robin-search-tip { margin-top: 16px; }

.robin-settings-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(245px, .6fr); align-items: start; gap: 21px; max-width: 1050px; }
.robin-panel--settings { padding: 25px; }
.robin-assistant-preferences { border-color: color-mix(in srgb, var(--brand-primary) 35%, var(--border)); }
.robin-assistant-preferences > .robin-button { margin-top: 14px; }
.robin-whatsapp-settings { border-color: color-mix(in srgb, #25a366 24%, var(--border)); }
.robin-whatsapp-settings > .robin-button { margin-top: 14px; }
.robin-settings-aside { position: relative; overflow: hidden; min-height: 260px; padding: 24px; border: 1px solid var(--border); border-radius: 18px; background: linear-gradient(145deg, var(--brand-primary-soft), var(--surface)); }
.robin-settings-sun { display: grid; place-items: center; width: 47px; height: 47px; margin-bottom: 31px; border-radius: 16px; background: var(--brand-primary); color: #252623; font-size: 24px; box-shadow: 0 8px 20px color-mix(in srgb, var(--brand-primary) 25%, transparent); }
.robin-settings-aside h2 { max-width: 14ch; margin: 0 0 9px; font-size: 22px; }
.robin-settings-aside > p:not(.robin-eyebrow) { max-width: 39ch; margin: 0; color: var(--text-secondary); font-size: 11px; line-height: 1.65; }
.robin-settings-zone { display: inline-flex; align-items: center; gap: 6px; margin-top: 18px; color: var(--text-secondary); font-size: 10px; }
.robin-verification-status { display: flex; align-items: flex-start; gap: 8px; margin: 0 0 11px; color: var(--text-secondary); font-size: 11px; line-height: 1.5; }
.robin-verification-status .ti { flex: none; font-size: 16px; }
.robin-verification-status--verified .ti { color: var(--status-success); }
.robin-verification-status--pending .ti { color: var(--status-warning); }
.robin-email-verification .robin-form-note { margin-bottom: 11px; }
.robin-verification-token-form { margin-top: 16px; }

.robin-public-page { display: grid; min-height: calc(100dvh - 135px); place-items: center; padding: 36px 18px; }
.brand-simple .page-center:has(.robin-auth-card) { height: auto; flex-shrink: 0; justify-content: flex-start; }
.robin-auth-card, .robin-code-card { width: min(100%, 510px); padding: clamp(24px, 5vw, 39px); border: 1px solid var(--border); border-radius: 23px; background: var(--surface); box-shadow: 0 18px 58px rgb(48 43 30 / 8%); }
.robin-auth-card .robin-field { grid-template-columns: minmax(0, 1fr); }
.robin-auth-card .robin-field :is(.form-control, .form-select) { min-width: 0; width: 100%; max-width: 100%; }
.robin-auth-brand { margin-bottom: 33px; font-size: 24px; }
.robin-auth-card h1, .robin-code-card h2 { margin: 0 0 9px; font-size: clamp(27px, 5vw, 35px); line-height: 1.1; }
.robin-auth-copy { margin: 0 0 20px; color: var(--text-secondary); font-size: 12px; line-height: 1.65; }
.robin-auth-card .robin-eyebrow { margin-bottom: 7px; }
.robin-auth-footnote, .robin-auth-switch { color: var(--text-muted); font-size: 10px; line-height: 1.55; text-align: center; }
.robin-auth-footnote { margin: 14px 0 0; }
.robin-auth-switch { margin: 17px 0 0; color: var(--text-secondary); }
.robin-auth-switch a { font-weight: 650; }
.robin-role-choice { min-width: 0; margin: 0; padding: 0; border: 0; }
.robin-role-choice legend { float: none; width: auto; margin-bottom: 7px; color: var(--text-secondary); font-size: 11px; font-weight: 650; }
.robin-role-options { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px; }
.robin-role-options > label { position: relative; display: block; cursor: pointer; }
.robin-role-options input { position: absolute; top: 12px; left: 12px; accent-color: var(--brand-primary-deep); }
.robin-role-options > label > span { display: grid; min-height: 91px; gap: 3px; padding: 11px 11px 11px 34px; border: 1px solid var(--border); border-radius: 12px; background: var(--surface); }
.robin-role-options input:checked + span { border-color: var(--brand-primary-deep); background: var(--brand-primary-soft); }
.robin-role-options .ti { color: var(--brand-primary-deep); font-size: 16px; }
.robin-role-options strong { font-size: 11px; }
.robin-role-options small { color: var(--text-muted); font-size: 9px; line-height: 1.4; }
.robin-consent-check { display: flex; align-items: flex-start; gap: 8px; color: var(--text-secondary); font-size: 10px; line-height: 1.55; cursor: pointer; }
.robin-consent-check input { flex: none; margin-top: 2px; accent-color: var(--brand-primary-deep); }
.robin-consent-check a { font-weight: 650; }
.robin-error-summary { margin: 0 0 16px; padding: 12px 14px; border: 1px solid color-mix(in srgb, var(--status-danger) 30%, var(--border)); border-radius: 12px; background: color-mix(in srgb, var(--status-danger) 5%, var(--surface)); color: var(--status-danger); font-size: 11px; }
.robin-error-summary ul { margin: 5px 0 0; padding-left: 18px; }
.robin-public-page--signup { padding-block: 24px; }
.robin-signup-card { width: min(100%, 590px); }
.robin-claim-card { text-align: center; }
.robin-auth-mark, .robin-code-mark { display: grid; place-items: center; width: 54px; height: 54px; margin: 0 auto 19px; border-radius: 18px; background: var(--brand-primary); color: #29271d; font-size: 24px; }
.robin-claim-note { display: flex; align-items: flex-start; gap: 8px; margin: 17px 0; padding: 12px; border-radius: 11px; background: var(--surface-secondary); color: var(--text-secondary); font-size: 10px; line-height: 1.55; text-align: left; }
.robin-claim-note .ti { flex: none; color: var(--status-success); font-size: 16px; }
.robin-code-card { position: relative; text-align: center; }
.robin-code-mark { margin-bottom: 15px; }
.robin-back-link { display: flex; align-items: center; gap: 6px; width: fit-content; margin-bottom: 32px; color: var(--text-secondary) !important; text-decoration: none; font-size: 10px; font-weight: 600; }
.robin-back-link:hover { color: var(--text-primary) !important; }
.robin-admission-code { display: block; margin: 24px 0 15px; padding: 18px 10px; border: 1px dashed var(--border-strong); border-radius: 15px; background: var(--surface-secondary); color: var(--text-primary); font: 600 clamp(23px, 7vw, 34px)/1.2 var(--font-body); letter-spacing: .16em; overflow-wrap: anywhere; }
.robin-code-meta { display: flex; justify-content: center; align-items: center; gap: 6px; margin: 0 0 11px; color: var(--text-secondary); font-size: 10px; }
.robin-code-card .robin-form-note { margin-top: 15px; }
.robin-share-url { text-align: left; font-size: 11px !important; }
.robin-share-link-card .robin-field-label { text-align: left; }
.robin-share-link-card .robin-button { margin-top: 16px; }

.robin-public-schedule { width: min(100% - 32px, 830px); min-height: 100dvh; margin: 0 auto; padding: 25px 0 32px; }
.robin-public-heading { display: flex; align-items: center; justify-content: space-between; gap: 15px; padding: 0 0 20px; border-bottom: 1px solid var(--border); }
.robin-public-brand { font-size: 22px; }
.robin-public-brand .robin-brand-mark { width: 31px; height: 31px; }
.robin-public-badge { display: inline-flex; align-items: center; gap: 5px; padding: 7px 10px; border: 1px solid var(--border); border-radius: 20px; color: var(--text-secondary); font-size: 9px; }
.robin-public-intro { padding: 32px 0 22px; }
.robin-public-intro h1 { margin: 0 0 7px; font-size: 32px; }
.robin-public-intro > p:last-child { margin: 0; color: var(--text-secondary); font-size: 12px; }
.robin-public-lessons { display: grid; gap: 11px; margin: 0; padding: 0; list-style: none; }
.robin-public-lesson { display: grid; grid-template-columns: 96px minmax(0, 1fr); align-items: start; gap: 13px; }
.robin-public-lesson-date { display: grid; gap: 4px; padding-top: 17px; text-align: right; }
.robin-public-lesson-date strong { color: var(--text-primary); font-size: 11px; }
.robin-public-lesson-date span { color: var(--text-muted); font-size: 9px; }
.robin-public-lesson article { min-width: 0; padding: 15px 17px; border: 1px solid var(--border); border-radius: 15px; background: var(--surface); box-shadow: var(--shadow-card); }
.robin-public-lesson-title { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.robin-public-lesson h2 { margin: 0; font-size: 16px; }
.robin-public-lesson article p { display: flex; align-items: center; gap: 6px; margin: 9px 0 0; color: var(--text-secondary); font-size: 10px; }
.robin-public-lesson article p .ti { color: var(--text-muted); font-size: 14px; }
.robin-public-lesson article p small { color: var(--text-muted); }
.robin-public-empty { margin-top: 20px; }
.robin-public-footer { padding-top: 20px; color: var(--text-muted); font-size: 9px; text-align: center; }

@media (max-width: 1100px) {
  .robin-sidebar { width: 218px; }
  .robin-main { margin-left: 218px; }
  .robin-content { padding-inline: 30px; }
  .robin-work-grid, .robin-work-grid--agenda { grid-template-columns: minmax(0, 1.2fr) minmax(270px, .8fr); gap: 16px; }
  .robin-glance { gap: 14px; }
  .robin-glance-intro { min-width: 185px; }
}

@media (max-width: 820px) {
  .robin-sidebar { display: none; }
  .robin-main { margin-left: 0; }
  .robin-topbar { justify-content: space-between; min-height: 61px; padding-inline: 18px; }
  .robin-mobile-brand { display: inline-flex; gap: 8px; font-size: 22px; }
  .robin-mobile-brand .robin-brand-mark { width: 30px; height: 30px; border-radius: 9px; }
  .robin-topbar-context { margin-left: auto; }
  .robin-mobile-nav { position: sticky; z-index: 1010; top: 61px; display: flex; gap: 4px; overflow-x: auto; padding: 8px 15px; border-bottom: 1px solid var(--border); background: color-mix(in srgb, var(--background) 94%, transparent); backdrop-filter: blur(15px); scrollbar-width: none; }
  .robin-mobile-nav::-webkit-scrollbar { display: none; }
  .robin-mobile-nav-link { display: inline-flex; align-items: center; gap: 6px; flex: none; min-height: 37px; padding: 8px 11px; border-radius: 10px; color: var(--text-secondary) !important; text-decoration: none; font-size: 10px; font-weight: 600; }
  .robin-mobile-nav-link.is-active { background: var(--brand-primary-soft); color: var(--text-primary) !important; }
  .robin-mobile-nav-link .ti { font-size: 15px; }
  .robin-content { min-height: calc(100dvh - 149px); padding: 27px 20px 42px; }
  .robin-footer { padding-inline: 20px; }
  .robin-work-grid, .robin-work-grid--agenda, .robin-settings-grid { grid-template-columns: 1fr; }
  .robin-side-stack { grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: start; }
  .robin-glance-intro { flex: 1; min-width: 0; }
  .robin-agent-cta { min-width: 215px; }
}

@media (max-width: 600px) {
  .robin-topbar { gap: 9px; }
  .robin-topbar-context { display: none; }
  .robin-topbar-settings { min-height: 34px; padding-inline: 10px; font-size: 10px; }
  .robin-content { padding: 24px 15px 32px; }
  .robin-footer { padding-inline: 15px; font-size: 9px; }
  .robin-page-heading { align-items: flex-start; flex-direction: column; gap: 15px; margin-bottom: 20px; }
  .robin-page-heading h1 { font-size: 32px; }
  .robin-agent-cta { width: 100%; }
  .robin-glance { flex-wrap: wrap; gap: 12px 0; padding: 12px; }
  .robin-glance-intro { flex-basis: 100%; }
  .robin-glance-metric { flex: 1; padding-left: 13px; }
  .robin-glance-metric:nth-of-type(2) { border-left: 0; }
  .robin-side-stack { grid-template-columns: 1fr; }
  .robin-section-heading h2 { font-size: 19px; }
  .robin-group-list--student, .robin-discover-results { grid-template-columns: 1fr; }
  .robin-group-card--student { grid-template-columns: 38px minmax(0, 1fr) auto; gap: 10px; padding: 15px; }
  .robin-group-card--student .robin-group-glyph { width: 38px; height: 38px; }
  .robin-group-card--student h3 { font-size: 15px; }
  .robin-lesson-item { grid-template-columns: 54px minmax(0, 1fr); gap: 8px; }
  .robin-lesson-time { padding-top: 15px; }
  .robin-lesson-time strong { font-size: 10px; }
  .robin-lesson-time span { font-size: 8px; }
  .robin-lesson-card { padding: 13px; }
  .robin-lesson-heading h3 { font-size: 16px; }
  .robin-lesson-meta { display: grid; gap: 7px; }
  .robin-form-grid, .robin-form-pair, .robin-role-options { grid-template-columns: 1fr; }
  .robin-form-row { grid-template-columns: 1fr; }
  .robin-field--wide { grid-column: auto; }
  .robin-check-grid { grid-template-columns: 1fr; }
  .robin-attendance-row { grid-template-columns: minmax(0, 1fr) minmax(112px, .8fr); }
  .robin-share-date-grid { grid-template-columns: 1fr 1fr; }
  .robin-ledger-row { gap: 9px; padding: 12px; }
  .robin-ledger-mark { width: 31px; height: 31px; }
  .robin-ledger-copy strong { font-size: 10px; }
  .robin-ledger-copy small { font-size: 8px; line-height: 1.4; }
  .robin-ledger-amount { font-size: 10px; }
  .robin-discover-search { grid-template-columns: 26px minmax(0, 1fr); gap: 4px; padding: 7px 10px 9px; }
  .robin-discover-search .robin-button { grid-column: 1 / -1; width: 100%; }
  .robin-join-form { grid-template-columns: 1fr; }
  .robin-join-form .robin-button { width: 100%; }
  .robin-student-card { padding: 14px; }
  .robin-student-card-heading h3 { font-size: 15px; }
  .robin-student-card-heading > .robin-pill { font-size: 8px; }
  .robin-link-invite { align-items: flex-start; flex-direction: column; }
  .robin-link-invite .robin-button { width: 100%; }
  .robin-public-schedule { width: min(100% - 22px, 830px); padding-top: 16px; }
  .robin-public-intro { padding: 26px 0 17px; }
  .robin-public-intro h1 { font-size: 27px; }
  .robin-public-lesson { grid-template-columns: 55px minmax(0, 1fr); gap: 8px; }
  .robin-public-lesson-date strong { font-size: 9px; }
  .robin-public-lesson-date span { font-size: 8px; }
  .robin-public-lesson article { padding: 12px; }
  .robin-public-lesson h2 { font-size: 14px; }
  .robin-public-badge { padding: 6px 8px; font-size: 8px; }
  .robin-auth-card, .robin-code-card { border-radius: 19px; }
}

@media (prefers-reduced-motion: reduce) {
  body.robin-app *, body.robin-app *::before, body.robin-app *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

.robin-agenda-filters { display: flex; flex-wrap: wrap; gap: 12px; align-items: end; margin-bottom: 24px; }
.robin-agenda-filters .robin-field { flex: 1 1 150px; }
.robin-agenda-filters .robin-form-note { flex-basis: 100%; margin: 0; }
@media (max-width: 600px) { .robin-agenda-filters .robin-field { flex-basis: calc(50% - 12px); min-width: 0; } .robin-agenda-filters .btn { width: 100%; } }

.robin-receipt-history { margin-top: 2rem; }

/* Keep complete rosters usable without dropping selected students during search. */
.robin-participant-fieldset [hidden] { display: none !important; }
.robin-participant-fieldset .robin-check-grid { max-height: 22rem; overflow-y: auto; padding: 2px; }