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var(--border);border-radius:var(--radius);padding:10px 12px;margin-bottom:6px;cursor:pointer;width:100%;text-align:left;font-family:inherit}.week-lesson-row:hover{border-color:var(--border-strong)}.week-lesson-time{font-size:13px;font-weight:700;color:var(--navy);flex-shrink:0}.week-lesson-student{font-size:13px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1 1;min-width:0}.pwa-empty-state{text-align:center;padding:48px 20px;color:var(--muted)}.pwa-empty-state-icon{font-size:32px;margin-bottom:10px}.pwa-empty-state-title{font-size:15px;font-weight:600;color:var(--charcoal);margin-bottom:4px}.pwa-empty-state-sub{font-size:13px}.instructor-safe-area-shell{padding-top:env(safe-area-inset-top,0)}.pwa-bottom-nav{position:fixed;left:0;right:0;bottom:0;z-index:40;display:flex;background:var(--white);border-top:1px solid var(--border);padding:6px 4px calc(6px + env(safe-area-inset-bottom, 0px));box-shadow:0 -2px 10px rgba(0,0,0,.05)}.pwa-bottom-nav-item{flex:1 1;display:flex;flex-direction:column;align-items:center;gap:2px;padding:6px 2px;min-height:52px;color:var(--muted);text-decoration:none;border-radius:var(--radius)}.pwa-bottom-nav-item.is-active{color:var(--navy);font-weight:700}.pwa-bottom-nav-icon{position:relative;display:flex;padding:4px 14px;border-radius:999px}.pwa-bottom-nav-item.is-active .pwa-bottom-nav-icon{color:var(--navy);background:var(--yellow)}.pwa-bottom-nav-badge{position:absolute;top:-4px;right:-8px;background:var(--danger);color:var(--white);font-size:10px;font-weight:700;line-height:1;min-width:15px;height:15px;border-radius:999px;display:flex;align-items:center;justify-content:center;padding:0 3px}.pwa-bottom-nav-label{font-size:11px;font-weight:600}.pwa-page-with-bottom-nav{padding-bottom:calc(76px + env(safe-area-inset-bottom, 0px))}.pwa-home-header{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:16px}.pwa-home-greeting{font-size:20px;font-weight:700;color:var(--navy);line-height:1.2}.pwa-home-date{font-size:13px;color:var(--muted);margin-top:2px}.pwa-next-lesson{background:var(--navy);color:var(--white);border-radius:14px;padding:18px;margin-bottom:18px}.pwa-next-lesson-eyebrow{font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--yellow);margin-bottom:6px}.pwa-next-lesson-time{font-size:26px;font-weight:800;line-height:1.1}.pwa-next-lesson-student{font-size:16px;font-weight:600;margin-top:4px}.pwa-next-lesson-meta{font-size:13px;color:hsla(0,0%,100%,.75);margin-top:2px}.pwa-next-lesson-row{display:flex;align-items:flex-start;gap:8px;margin-top:12px;font-size:13px;color:hsla(0,0%,100%,.9)}.pwa-next-lesson-actions{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:8px;gap:8px;margin-top:16px}.pwa-next-lesson-action-btn{display:flex;flex-direction:column;align-items:center;gap:4px;padding:10px 6px;min-height:60px;border-radius:10px;background:hsla(0,0%,100%,.12);color:var(--white);font-size:12px;font-weight:600;text-decoration:none;border:none;cursor:pointer}.pwa-next-lesson-action-btn:disabled{opacity:.4;cursor:not-allowed}.pwa-next-lesson-action-btn.is-primary{background:var(--yellow);color:var(--navy)}.pwa-next-lesson-action-btn.is-success{background:var(--success);color:var(--white)}.pwa-section-title{font-size:13px;font-weight:700;color:var(--navy);text-transform:uppercase;letter-spacing:.04em;margin:18px 0 10px}.pwa-mini-card{display:block;background:var(--surface-tint);border:1px solid var(--border);border-radius:10px;padding:12px 14px;margin-bottom:8px;text-decoration:none;color:inherit}.pwa-mini-card.is-cancelled{opacity:.55}.pwa-mini-card-top{display:flex;justify-content:space-between;align-items:center;gap:8px}.pwa-mini-card-time{font-weight:700;color:var(--navy);font-size:14px}.pwa-mini-card-student{font-size:13px;color:var(--charcoal);margin-top:2px}.pwa-detail-header{display:flex;align-items:center;gap:10px;margin-bottom:16px}.pwa-detail-back{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:999px;background:var(--bg);color:var(--navy);flex-shrink:0}.pwa-detail-title{font-size:17px;font-weight:700;color:var(--navy)}.pwa-detail-section{background:var(--white);border:1px solid var(--border);border-radius:12px;padding:16px;margin-bottom:14px;box-shadow:0 1px 3px rgba(27,42,74,.06)}.pwa-detail-section-title{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);margin-bottom:10px}.pwa-detail-row{display:flex;justify-content:space-between;gap:12px;padding:7px 0;font-size:14px;border-bottom:1px solid var(--border)}.pwa-detail-row:last-child{border-bottom:none}.pwa-detail-row-label{display:flex;align-items:center;gap:6px;color:var(--muted);flex-shrink:0}.pwa-detail-row-label svg{flex-shrink:0;opacity:.7}.pwa-detail-row-value{flex:1 1;min-width:0;text-align:right;color:var(--charcoal);font-weight:500;overflow-wrap:break-word}.pwa-detail-row-value.is-address{text-align:left}.pwa-detail-actions{display:grid;grid-template-columns:1fr 1fr;grid-gap:10px;gap:10px}.pwa-detail-actions .btn{min-height:48px;display:flex;align-items:center;justify-content:center;gap:6px}.pwa-detail-actions .btn-full-row{grid-column:1/-1}.btn-disabled{opacity:.45;pointer-events:none;cursor:not-allowed}.pwa-notification-item{display:flex;gap:12px;padding:14px 4px;border-bottom:1px solid var(--border);text-decoration:none;color:inherit}.pwa-notification-icon{width:36px;height:36px;border-radius:999px;background:var(--bg);color:var(--navy);display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0}.pwa-notification-icon.is-assignment_new{background:var(--pending-bg);color:var(--pending)}.pwa-notification-icon.is-assignment_changed,.pwa-notification-icon.is-lesson_rescheduled{background:#e7ecf7;color:var(--navy)}.pwa-notification-icon.is-lesson_cancelled{background:var(--danger-bg);color:var(--danger)}.pwa-notification-title{font-size:14px;font-weight:600;color:var(--charcoal)}.pwa-notification-body{font-size:13px;color:var(--muted);margin-top:1px}.pwa-notification-time{font-size:11px;color:var(--muted);margin-top:3px}.pwa-notification-banner{background:var(--bg);border:1px solid var(--border);border-radius:10px;padding:12px 14px;font-size:13px;color:var(--muted);margin-bottom:14px}.pwa-account-row{display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-bottom:1px solid var(--border);font-size:14px}.pwa-account-row:last-child{border-bottom:none}.pwa-account-row-label{color:var(--muted)}.pwa-account-row-value{color:var(--charcoal);font-weight:500}.pwa-splash{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:60vh;gap:10px}.pwa-splash-logo{width:64px;height:64px;object-fit:contain}.pwa-splash-title{font-size:18px;font-weight:700;color:var(--navy)}.pwa-splash-sub{font-size:13px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}@media (min-width:640px){.pwa-bottom-nav{max-width:520px;left:50%;transform:translateX(-50%);border-left:1px solid var(--border);border-right:1px solid var(--border);border-radius:16px 16px 0 0}}.reset-link-box{display:flex;align-items:center;justify-content:space-between;gap:10px;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:10px 12px}.reset-link-url{font-size:11.5px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color:var(--muted);overflow-wrap:anywhere;word-break:break-all}.reset-link-url.is-hidden{display:none}@media (max-width:820px){.shell-burger{display:flex}.topbar-brand{display:none}.shell-sidebar{position:fixed;inset:0 auto 0 0;width:min(86vw,320px);height:100vh;height:100svh;padding-bottom:env(safe-area-inset-bottom);flex-direction:column!important;align-items:stretch!important;transform:translateX(-100%);transition:transform .2s ease;z-index:60}.shell-sidebar.is-drawer-open{transform:translateX(0)}.shell-sidebar.is-collapsed{
    /* !important because the desktop .shell-sidebar.is-collapsed rule
       (unscoped to any media query) sets width:64px!important — !important
       always wins regardless of media query or source order, so without
       this the drawer would render at the collapsed desktop width (64px,
       unusable) if the collapsed flag happened to be set from a prior
       desktop session. */width:min(86vw,320px)!important}.shell-sidebar.is-collapsed .shell-nav-link.is-collapsed{justify-content:flex-start;padding:10px 12px}.shell-nav{flex-direction:column!important;overflow-x:visible!important}.shell-nav-group-label{display:block!important}.shell-collapse-toggle{display:none}.shell-brand{display:flex;align-items:center;justify-content:space-between;gap:8px}.shell-sidebar.is-collapsed .shell-brand{padding:20px 18px;justify-content:space-between}.shell-drawer-close{display:inline-flex}.shell-drawer-backdrop{display:block;position:fixed;inset:0;background:rgba(22,27,44,.45);z-index:55}.global-search{max-width:none}.summary-card-grid{grid-template-columns:repeat(2,1fr)}.shell-topbar{padding:10px 12px;gap:8px}}