*{box-sizing:border-box}:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--bg:#f5f5f5;--surface:#fff;--surface-2:#eee;--text:#171717;--muted:#767676;--border:#ddd;--shadow:#0000001f;--active:#111;font-family:Arial,sans-serif}:root[data-theme=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#121212;--surface:#202020;--surface-2:#303030;--text:#f1f1f1;--muted:#aaa;--border:#3b3b3b;--shadow:#00000059;--active:#fff}body{background:var(--bg);min-width:320px;color:var(--text);margin:0}button,input{font:inherit;color:inherit}button{background:0 0;border:0}.app{background:var(--bg);min-height:100vh;padding-bottom:78px}.topbar{z-index:10;background:var(--surface);height:64px;box-shadow:0 1px 5px var(--shadow);align-items:center;gap:8px;padding:0 16px;display:flex;position:sticky;top:0}.topbar 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var(--border);display:none}.day-card.expanded .day-content{display:block}.lesson-row{border-bottom:1px solid var(--border);gap:12px;padding:12px 14px;display:flex}.lesson-row:last-child{border-bottom:0}.lesson-time{width:70px;color:var(--muted);flex:0 0 70px;font-size:14px}.lesson-info{flex:1;min-width:0}.lesson-line{padding-bottom:10px}.lesson-line:last-child{padding-bottom:0}.lesson-line strong,.lesson-info strong{margin-bottom:4px;font-size:16px;display:block}.lesson-line span,.lesson-info span{color:var(--muted);font-size:13px}.teacher-header{background:var(--surface);box-shadow:0 2px 5px var(--shadow);border-radius:10px;align-items:center;gap:14px;margin-bottom:14px;padding:14px;font-size:18px;display:flex}.teacher-photo{background:var(--surface-2);border-radius:10px;flex:0 0 76px;place-items:center;width:76px;height:76px;font-size:38px;display:grid;overflow:hidden}.teacher-photo img{object-fit:cover;width:100%;height:100%}.loading,.empty{text-align:center;color:var(--muted);padding:40px 20px}.error{color:#fff;background:#7d2727;border-radius:8px;margin-bottom:12px;padding:12px}.error-screen{place-content:center;min-height:100vh;display:grid}.primary-button{background:var(--active);color:var(--surface);cursor:pointer;border-radius:10px;margin:10px auto;padding:12px 22px}@media (width>=700px){.bottom-nav{border-radius:14px 14px 0 0;width:500px;left:50%;right:auto;transform:translate(-50%)}}.lesson-row{gap:0;padding:10px 14px 10px 8px}.lesson-time{border-right:2px solid var(--border);flex:0 0 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ease-in-out infinite alternate skeleton-pulse;display:block}.skeleton-title{border-radius:6px;width:145px;height:18px}.skeleton-circle{border-radius:50%;width:24px;height:24px}.skeleton-lessons{border-top:1px solid var(--border);padding:0 14px 12px}.skeleton-lesson{border-radius:8px;height:54px;margin-top:12px}@keyframes skeleton-pulse{0%{opacity:.45}to{opacity:.9}}.schedule-toast{z-index:100;background:var(--text);color:var(--surface);box-shadow:0 4px 14px var(--shadow);opacity:0;pointer-events:none;border-radius:10px;padding:10px 16px;transition:opacity .2s,transform .2s;position:fixed;bottom:84px;left:50%;transform:translate(-50%,12px)}.schedule-toast.visible{opacity:1;transform:translate(-50%)}