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env(safe-area-inset-bottom,0px));overflow-y:auto;-webkit-overflow-scrolling:touch}.toast-container{position:fixed;top:0;left:0;right:0;display:flex;justify-content:center;padding:var(--space-4);padding-top:calc(env(safe-area-inset-top,0px) + var(--space-4));z-index:9999;pointer-events:none}.toast{display:flex;align-items:center;justify-content:center;gap:var(--space-2);max-width:320px;width:100%;padding:var(--space-3) var(--space-4);border-radius:var(--radius-lg);background:var(--color-canvas);box-shadow:0 8px 24px #0000001f,0 2px 8px #00000014;pointer-events:auto;animation:toast-in .25s ease forwards}.toast.toast-exit{animation:toast-out .2s ease forwards}.toast-icon{flex-shrink:0;display:flex;align-items:center;justify-content:center;width:20px;height:20px}.toast-message{font-size:14px;line-height:1.4;color:var(--color-ink);text-align:center}.toast-success{background:#edfaf0}.toast-success .toast-icon{color:var(--color-success)}.toast-error{background:#fef1f1}.toast-error 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home-loading-spin{to{transform:rotate(360deg)}}.home-empty-title{font-size:20px;font-weight:700;color:var(--color-ink);letter-spacing:-.3px;margin-bottom:var(--space-1)}.home-empty-desc{font-size:14px;color:var(--color-stone);line-height:1.5}.home-empty-btn{margin-top:var(--space-4);padding:14px var(--space-8);background:linear-gradient(105deg,#6b70d2,#5258b8);color:#fff;border:none;border-radius:80px;font-size:15px;font-weight:600;cursor:pointer;box-shadow:0 8px 16px -6px #5e6ad266;transition:transform .15s ease}.home-empty-btn:active{transform:scale(.97)}.subject-stats-row.clickable{cursor:pointer;transition:background 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