:root{--color-background:#f4f8fb;--color-surface:#fff;--color-card:#fff;--color-elevated-surface:#edf3f7;--color-border:#dce4ec;--color-text:#0b1220;--color-text-secondary:#536274;--color-muted:#8b96a5;--color-accent:#0bc3b0;--color-accent-text:#fff;--color-accent-secondary:#0ea0c2;--color-violet:#7c5cff;--color-success:#1c9a6c;--color-warning:#b8720a;--color-danger:#d6483f;--color-glow:#0bc3b047;--space-xs:4px;--space-sm:8px;--space-md:12px;--space-lg:16px;--space-xl:24px;--space-xxl:32px;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:22px;--radius-pill:999px}@media (prefers-color-scheme:dark){:root{--color-background:#070b14;--color-surface:#0d1320;--color-card:#111927;--color-elevated-surface:#151f30;--color-border:#1c2536;--color-text:#f4fbff;--color-text-secondary:#9aaabd;--color-muted:#657286;--color-accent:#20e6d2;--color-accent-text:#04121a;--color-accent-secondary:#28c7e8;--color-violet:#7c5cff;--color-success:#2fd988;--color-warning:#f2b84b;--color-danger:#ff6b6b;--color-glow:#20e6d259}}:root[data-theme=light]{--color-background:#f4f8fb;--color-surface:#fff;--color-card:#fff;--color-elevated-surface:#edf3f7;--color-border:#dce4ec;--color-text:#0b1220;--color-text-secondary:#536274;--color-muted:#8b96a5;--color-accent:#0bc3b0;--color-accent-text:#fff;--color-accent-secondary:#0ea0c2;--color-violet:#7c5cff;--color-success:#1c9a6c;--color-warning:#b8720a;--color-danger:#d6483f;--color-glow:#0bc3b047}:root[data-theme=dark]{--color-background:#070b14;--color-surface:#0d1320;--color-card:#111927;--color-elevated-surface:#151f30;--color-border:#1c2536;--color-text:#f4fbff;--color-text-secondary:#9aaabd;--color-muted:#657286;--color-accent:#20e6d2;--color-accent-text:#04121a;--color-accent-secondary:#28c7e8;--color-violet:#7c5cff;--color-success:#2fd988;--color-warning:#f2b84b;--color-danger:#ff6b6b;--color-glow:#20e6d259}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--color-background);color:var(--color-text);-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}*{scrollbar-width:thin;scrollbar-color:var(--color-accent) transparent}::-webkit-scrollbar{width:12px;height:12px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background-color:var(--color-accent);border-radius:var(--radius-pill);background-clip:content-box;border:3px solid #0000}::-webkit-scrollbar-thumb:hover{background-color:var(--color-accent-secondary)}::-webkit-scrollbar-corner{background:0 0}a{color:inherit;text-decoration:none}button,input{font-family:inherit;font-size:inherit}button{cursor:pointer}h1,h2,h3,p{margin:0}.app-shell{align-items:stretch;min-height:100vh;display:flex}.sidebar{background:var(--color-surface);border-right:1px solid var(--color-border);width:248px;height:100vh;padding:var(--space-xl) var(--space-lg);flex-direction:column;flex-shrink:0;display:flex;position:sticky;top:0;overflow-y:auto}.sidebar-brand{color:var(--color-accent);letter-spacing:3px;font-size:20px;font-weight:800}.sidebar-brand-sub{color:var(--color-text-secondary);letter-spacing:2px;margin-top:2px;font-size:12px;font-weight:500}.sidebar-nav{margin-top:var(--space-xxl);flex-direction:column;gap:2px;display:flex}.sidebar-link{border-radius:var(--radius-md);color:var(--color-text-secondary);padding:10px 12px;font-size:14px;font-weight:600;transition:background .15s,color .15s}.sidebar-link:hover{background:var(--color-elevated-surface);color:var(--color-text)}.sidebar-link.is-active{background:color-mix(in srgb, var(--color-accent) 14%, transparent);color:var(--color-accent)}.sidebar-footer{padding-top:var(--space-lg);border-top:1px solid var(--color-border);gap:var(--space-sm);flex-direction:column;margin-top:auto;display:flex}.sidebar-class{color:var(--color-text-secondary);font-size:13px}.sidebar-class strong{color:var(--color-text)}.account-switcher{position:relative}.account-switcher-trigger{justify-content:space-between;align-items:center;gap:var(--space-sm);cursor:pointer;padding:6px 0;list-style:none;display:flex}.account-switcher-trigger::-webkit-details-marker{display:none}.account-switcher-chevron{color:var(--color-muted);font-size:12px;transition:transform .15s}.account-switcher[open] .account-switcher-chevron{transform:rotate(180deg)}.account-switcher-panel{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--space-sm);z-index:30;position:absolute;bottom:calc(100% + 6px);left:0;right:0;box-shadow:0 8px 24px -8px #00000059}.account-switcher-label{letter-spacing:.6px;text-transform:uppercase;color:var(--color-muted);padding:6px 8px 2px;font-size:10px;font-weight:700}.account-switcher-chips{flex-wrap:wrap;gap:6px;padding:4px 8px 8px;display:flex}.account-switcher-chip{border:1.5px solid var(--color-border);border-radius:var(--radius-pill);color:var(--color-text-secondary);background:0 0;padding:4px 10px;font-size:12px;font-weight:600}.account-switcher-chip.is-active{border-color:var(--color-accent);color:var(--color-accent);background:color-mix(in srgb, var(--color-accent) 12%, transparent)}.account-switcher-item{text-align:left;border-radius:var(--radius-sm);width:100%;color:var(--color-text);background:0 0;border:none;flex-direction:column;padding:8px;font-size:13px;font-weight:600;display:flex}.account-switcher-item:hover{background:var(--color-elevated-surface)}.account-switcher-item-sub{color:var(--color-text-secondary);font-size:11px;font-weight:500}.account-switcher-add{color:var(--color-accent);border-top:1px solid var(--color-border);border-radius:0;margin-top:4px;padding-top:10px}.sidebar-legal-links{margin-bottom:var(--space-sm);flex-wrap:wrap;gap:4px 10px;display:flex}.sidebar-legal-links a{color:var(--color-muted);font-size:11px;transition:color .15s}.sidebar-legal-links a:hover{color:var(--color-text-secondary);text-decoration:underline}.logout-button{border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text-secondary);background:0 0;padding:8px 12px;font-size:13px;font-weight:600;transition:border-color .15s,color .15s}.logout-button:hover{border-color:var(--color-danger);color:var(--color-danger)}.main-content{width:100%;min-width:0;padding:var(--space-xxl) 48px;flex:1;max-width:1180px;margin:0 auto}.mobile-topbar{padding:var(--space-md) var(--space-lg);background:var(--color-surface);border-bottom:1px solid var(--color-border);justify-content:space-between;align-items:center;display:none}.mobile-topbar-brand{color:var(--color-accent);letter-spacing:2px;font-size:15px;font-weight:800}.mobile-tabbar{z-index:20;background:var(--color-surface);border-top:1px solid var(--color-border);padding-bottom:env(safe-area-inset-bottom);display:none;position:fixed;bottom:0;left:0;right:0}.mobile-tabbar-inner{padding:6px var(--space-sm);justify-content:space-around;display:flex}.mobile-tab{border-radius:var(--radius-md);color:var(--color-muted);flex-direction:column;align-items:center;gap:3px;padding:6px 20px;font-size:11px;font-weight:600;display:flex}.mobile-tab.is-active{color:var(--color-accent)}@media (max-width:860px){.app-shell{flex-direction:column}.sidebar{display:none}.mobile-topbar{display:flex}.mobile-tabbar{display:block}.main-content{padding:var(--space-lg);padding-bottom:calc(84px + env(safe-area-inset-bottom));max-width:none}}.desktop-only{display:block}.mobile-only{display:none}@media (max-width:860px){.desktop-only{display:none}.mobile-only{display:block}}.lessons-table{border-collapse:collapse;width:100%}.lessons-table th{text-align:left;letter-spacing:.06em;text-transform:uppercase;color:var(--color-text-secondary);border-bottom:1px solid var(--color-border);padding:10px 16px;font-size:11px;font-weight:700}.lessons-table td{border-bottom:1px solid var(--color-border);vertical-align:middle;padding:13px 16px;font-size:14px}.lessons-table tbody tr{transition:background .12s}.lessons-table tbody tr:last-child td{border-bottom:none}.lessons-table tbody tr:hover{background:var(--color-elevated-surface)}.lessons-table tr.is-current td{background:color-mix(in srgb, var(--color-accent) 8%, transparent)}.lessons-table tr.is-current:hover td{background:color-mix(in srgb, var(--color-accent) 14%, transparent)}.lesson-card{align-items:flex-start;gap:var(--space-md);padding:var(--space-md) 0;border-bottom:1px solid var(--color-border);display:flex}.lesson-card:last-child{border-bottom:none}.lesson-card.is-current{background:color-mix(in srgb, var(--color-accent) 8%, transparent);margin:0 calc(-1 * var(--space-lg));padding-left:var(--space-lg);padding-right:var(--space-lg);border-radius:var(--radius-md)}.login-shell{grid-template-columns:1.15fr 1fr;min-height:100vh;display:grid}.login-hero{background:linear-gradient(165deg, var(--color-background) 0%, var(--color-elevated-surface) 100%);flex-direction:column;justify-content:center;padding:64px;display:flex;position:relative;overflow:hidden}.login-hero:before{content:"";background:var(--color-glow);filter:blur(90px);border-radius:50%;width:520px;height:520px;position:absolute;top:-160px;right:-180px}.login-hero-inner{max-width:440px;position:relative}.login-form-panel{padding:var(--space-xl);background:var(--color-surface);border-left:1px solid var(--color-border);justify-content:center;align-items:center;display:flex}@media (max-width:900px){.login-shell{grid-template-columns:1fr}.login-hero{display:none}.login-form-panel{border-left:none}}.week-grid{border-collapse:collapse;table-layout:fixed;width:100%}.week-grid th,.week-grid td{border:1px solid var(--color-border);padding:var(--space-sm);vertical-align:top}.week-grid thead th{text-align:center;color:var(--color-text-secondary);padding:var(--space-sm) var(--space-xs);background:var(--color-elevated-surface);font-size:12px;font-weight:700}.week-grid thead th.is-today{color:var(--color-accent)}.week-grid-daynum{color:var(--color-text);margin-top:2px;font-size:15px;font-weight:800}.week-grid thead th.is-today .week-grid-daynum{color:var(--color-accent)}.week-grid-period-col{text-align:center;width:44px;color:var(--color-muted);background:var(--color-elevated-surface);font-size:12px;font-weight:700}.week-grid td.is-today{background:color-mix(in srgb, var(--color-accent) 5%, transparent)}.week-cell-lesson{border-left:3px solid var(--color-border);background:var(--color-elevated-surface);border-radius:4px;margin-bottom:4px;padding:4px 6px}.week-cell-lesson:last-child{margin-bottom:0}.week-cell-subject{color:var(--color-text);font-size:12px;font-weight:700;line-height:1.3}.week-cell-room{color:var(--color-text-secondary);font-size:11px}@keyframes pulse-opacity{0%,to{opacity:1}50%{opacity:.4}}.pulsing-dot{animation:1.4s ease-in-out infinite pulse-opacity;display:inline-block}.timeline-content{border-radius:var(--radius-lg);padding:var(--space-md);margin-bottom:var(--space-md);border:1px solid var(--color-border);background:var(--color-card)}.timeline-content.is-now{box-shadow:0 0 0 1px var(--color-glow);border-width:1.5px}.timeline-period-badge{border-radius:var(--radius-sm);background:var(--color-elevated-surface);color:var(--color-text-secondary);padding:2px 8px;font-size:13px;font-weight:700}.week-compact{border-collapse:collapse;table-layout:fixed;width:100%}.week-compact th{text-align:center;padding:4px 2px var(--space-sm);text-transform:uppercase;color:var(--color-text-secondary);font-size:10px;font-weight:700}.week-compact th.is-today{color:var(--color-accent)}.week-compact-daynum{color:var(--color-text);margin-top:1px;font-size:13px;font-weight:700}.week-compact th.is-today .week-compact-daynum{color:var(--color-accent)}.week-compact-period{text-align:center;width:20px;color:var(--color-muted);font-size:11px;font-weight:700}.week-compact td{vertical-align:middle;padding:1px}.week-compact-cell{border-radius:var(--radius-sm);background:var(--color-card);text-align:center;border:none;flex-direction:column;justify-content:center;align-items:center;width:100%;min-height:40px;padding:3px;display:flex}.week-compact-cell:active{opacity:.7}.week-compact-subject{text-overflow:ellipsis;white-space:nowrap;max-width:100%;font-size:10px;font-weight:700;overflow:hidden}.week-compact-room{color:var(--color-muted);text-overflow:ellipsis;white-space:nowrap;max-width:100%;font-size:9px;overflow:hidden}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.settings-list{flex-direction:column;display:flex}.settings-row{align-items:center;gap:var(--space-md);padding:var(--space-md) var(--space-lg);border-bottom:1px solid var(--color-border);color:var(--color-text);font-size:14px;font-weight:600;transition:background .12s;display:flex}.settings-list .settings-row:last-child{border-bottom:none}.settings-row:hover{background:var(--color-elevated-surface)}.settings-row-icon{color:var(--color-accent);flex-shrink:0;display:flex}.settings-row-label{flex:1}.settings-row-chevron{color:var(--color-muted);font-size:18px}.settings-back{color:var(--color-text-secondary);margin-bottom:var(--space-lg);align-items:center;gap:6px;font-size:13px;font-weight:600;display:inline-flex}.settings-back:hover{color:var(--color-text)}.settings-radio-row{width:100%;padding:var(--space-md) var(--space-lg);border-bottom:1px solid var(--color-border);text-align:left;background:0 0;border-top:none;border-left:none;border-right:none;justify-content:space-between;align-items:center;display:flex}.settings-list .settings-radio-row:last-child{border-bottom:none}.settings-radio-left{align-items:center;gap:var(--space-md);color:var(--color-text);font-size:14px;font-weight:500;display:flex}.settings-radio{border-radius:var(--radius-pill);border:2px solid var(--color-border);flex-shrink:0;width:18px;height:18px}.settings-radio.is-active{border-color:var(--color-accent);background:var(--color-accent)}.settings-field-label{letter-spacing:1px;text-transform:uppercase;color:var(--color-text-secondary);margin-bottom:var(--space-xs);margin-top:var(--space-md);font-size:11px;font-weight:700;display:block}.settings-value{color:var(--color-text);margin-top:2px;font-size:16px;font-weight:700}.settings-hint{color:var(--color-text-secondary);margin-top:var(--space-md);font-size:12px;line-height:1.5}.settings-toggle-row{justify-content:space-between;align-items:center;gap:var(--space-md);width:100%;padding:var(--space-md) var(--space-lg);border-bottom:1px solid var(--color-border);text-align:left;background:0 0;border-top:none;border-left:none;border-right:none;display:flex}.settings-list .settings-toggle-row:last-child{border-bottom:none}.settings-toggle-text{flex-direction:column;gap:2px;min-width:0;display:flex}.settings-toggle-label{color:var(--color-text);font-size:14px;font-weight:600}.settings-toggle-hint{color:var(--color-text-secondary);font-size:12px;line-height:1.4}.settings-switch{border-radius:var(--radius-pill);background:var(--color-border);flex-shrink:0;width:40px;height:24px;transition:background .15s;position:relative}.settings-switch.is-on{background:var(--color-accent)}.settings-switch-knob{background:var(--color-surface);border-radius:50%;width:20px;height:20px;transition:transform .15s;position:absolute;top:2px;left:2px}.settings-switch.is-on .settings-switch-knob{transform:translate(16px)}.diagnostic-row{padding:var(--space-sm) 0}.diagnostic-row-header{justify-content:space-between;align-items:center;gap:var(--space-sm);display:flex}.diagnostic-label{color:var(--color-text);font-size:13px;font-weight:600}.diagnostic-status{align-items:center;gap:var(--space-xs);flex-shrink:0;font-size:12px;font-weight:700;display:flex}.diagnostic-status-dot{border-radius:var(--radius-pill);width:6px;height:6px}.diagnostic-detail{color:var(--color-text-secondary);margin-top:4px;font-size:12px;line-height:1.4}.diagnostic-divider{background:var(--color-border);height:1px}