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.keyboard-hint-row{display:flex;align-items:center;gap:6px;flex-wrap:wrap;justify-content:center}.study-widget .hint-sep{color:#ffffff40;font-size:10px}.study-widget .shortcuts-wrapper.collapsed .keyboard-hint{max-height:0;opacity:0;pointer-events:none;margin:0;gap:0}.study-widget .keyboard-hint kbd{background:var(--kbd-bg, rgba(255, 255, 255, .08));border:1px solid var(--bezel-stroke, rgba(255, 255, 255, .15));border-radius:4px;padding:1px 5px;font-size:10px;color:var(--time-color, #cbd5e1);font-family:monospace}.study-widget.is-fullscreen{justify-content:center;min-height:100vh;padding:24px;background:var(--bg-color, #0b0f19)}.study-modal{position:fixed;inset:0;background:#000000bf;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:999;padding:16px}.study-modal-card{background:#0f172a;border:1px solid rgba(255,255,255,.12);border-radius:14px;width:100%;max-width:440px;padding:22px 24px;box-shadow:0 20px 40px #0009;font-family:var(--font-ui, sans-serif)}.study-modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.study-modal-title{font-size:16px;font-weight:700;color:var(--time-color, #f8fafc);margin:0}.study-modal-close{background:none;border:none;color:#94a3b8;font-size:24px;cursor:pointer;line-height:1;padding:0}.study-modal-close:hover{color:var(--time-color, #f8fafc)}.modal-form-group{margin-bottom:16px}.modal-form-label{display:block;font-size:12px;font-weight:600;color:#94a3b8;margin-bottom:6px;text-transform:uppercase;letter-spacing:.04em}.modal-form-input{width:100%;background:#ffffff0d;border:1px solid rgba(255,255,255,.14);border-radius:6px;padding:8px 12px;font-family:var(--font-ui, sans-serif);font-size:13.5px;color:var(--time-color, #f8fafc);outline:none;transition:border-color .15s ease}.modal-form-input:focus{border-color:#38bdf8}.study-modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:22px}