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22px;font-size:14px;font-weight:600}.crash-screen__reload:hover{filter:brightness(1.08)}.crash-screen__details{text-align:left;margin-top:18px}.crash-screen__details summary{cursor:pointer;color:var(--ink-soft);font-size:12px}.crash-screen__details pre{max-height:200px;font-family:var(--mono);color:var(--ink-soft);background:var(--bg);border:1px solid var(--panel-border);white-space:pre-wrap;word-break:break-word;border-radius:8px;margin-top:8px;padding:10px;font-size:11px;line-height:1.4;overflow:auto}.shortcuts-overlay{z-index:100;background:#00000059;justify-content:center;align-items:center;padding:24px;display:flex;position:fixed;inset:0}.shortcuts-dialog{background:var(--panel);border:1px solid var(--panel-border);border-radius:14px;flex-direction:column;width:min(680px,100%);max-height:min(80vh,720px);display:flex;overflow:hidden;box-shadow:0 20px 60px #0000004d}.shortcuts-dialog__header{border-bottom:1px solid var(--panel-border);flex-shrink:0;justify-content:space-between;align-items:center;padding:16px 20px;display:flex}.shortcuts-dialog__header h2{color:var(--ink);margin:0;font-size:16px;font-weight:650}.shortcuts-dialog__close{color:var(--ink-soft);cursor:pointer;background:0 0;border:none;border-radius:8px;padding:6px;display:flex}.shortcuts-dialog__close:hover{background:var(--accent-soft);color:var(--accent)}.shortcuts-dialog__body{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));align-content:start;gap:20px;padding:16px 20px 20px;display:grid;overflow-y:auto}.periodic-overlay{z-index:100;background:#00000059;justify-content:center;align-items:center;padding:24px;display:flex;position:fixed;inset:0}.periodic-dialog{background:var(--panel);border:1px solid var(--panel-border);border-radius:14px;flex-direction:column;width:min(920px,100%);max-height:min(88vh,620px);display:flex;overflow:hidden;box-shadow:0 20px 60px #0000004d}.periodic-dialog__header{border-bottom:1px solid var(--panel-border);flex-shrink:0;align-items:center;gap:12px;padding:14px 18px;display:flex}.periodic-dialog__header h2{color:var(--ink);white-space:nowrap;margin:0;font-size:16px;font-weight:650}.periodic-dialog__search{border:1px solid var(--panel-border);background:var(--bg);min-width:0;color:var(--ink);border-radius:8px;outline:none;flex:1;padding:6px 10px;font-size:13px}.periodic-dialog__search:focus{border-color:var(--accent)}.periodic-dialog__close{color:var(--ink-soft);cursor:pointer;background:0 0;border:none;border-radius:8px;flex-shrink:0;padding:6px;display:flex}.periodic-dialog__close:hover{background:var(--accent-soft);color:var(--accent)}.periodic-dialog__body{padding:16px 18px 18px;overflow:auto}.periodic-grid{grid-template-columns:repeat(18,minmax(34px,1fr));gap:3px;min-width:700px;display:grid}.periodic-cell{aspect-ratio:1;border:1px solid var(--panel-border);color:inherit;cursor:pointer;font-family:var(--mono);background:0 0;border-radius:6px;flex-direction:column;justify-content:center;align-items:center;padding:0;display:flex;position:relative}.periodic-cell:hover{background:var(--accent-soft)}.periodic-cell--active{background:var(--accent-soft);box-shadow:inset 0 0 0 1.5px var(--accent)}.periodic-cell--dimmed{opacity:.25}.periodic-cell__number{color:var(--ink-soft);font-size:7px;font-weight:500;position:absolute;top:2px;left:3px}.periodic-cell__symbol{font-size:12px;font-weight:700}.periodic-list{flex-direction:column;gap:2px;display:flex}.periodic-list-row{width:100%;color:var(--ink);cursor:pointer;text-align:left;background:0 0;border:none;border-radius:8px;align-items:baseline;gap:10px;padding:10px 8px;display:flex}.periodic-list-row:hover{background:var(--accent-soft)}.periodic-list-row--active{background:var(--accent-soft);box-shadow:inset 0 0 0 1.5px var(--accent)}.periodic-list-row__symbol{font-family:var(--mono);flex-shrink:0;width:32px;font-size:15px;font-weight:700}.periodic-list-row__name{flex:1;font-size:14px}.periodic-list-row__number{color:var(--ink-soft);font-size:12px}.periodic-list-row__weight{color:var(--ink-soft);font-size:12px;font-family:var(--mono);text-align:right;flex-shrink:0;width:56px}.periodic-list__empty{text-align:center;color:var(--ink-soft);padding:24px 8px;font-size:13px}.shortcuts-group h3{text-transform:uppercase;letter-spacing:.04em;color:var(--ink-soft);margin:0 0 8px;font-size:11px;font-weight:650}.shortcuts-group dl{margin:0}.shortcuts-row{border-bottom:1px solid var(--panel-border);align-items:baseline;gap:10px;padding:5px 0;display:flex}.shortcuts-row dt{flex-shrink:0;min-width:108px}.shortcuts-row dd{color:var(--ink);margin:0;font-size:12.5px}.shortcuts-row kbd{font-family:var(--mono);color:var(--ink);background:var(--bg);border:1px solid var(--panel-border);white-space:nowrap;border-radius:5px;padding:2px 6px;font-size:11px}.onboarding-dialog{background:var(--panel);border:1px solid var(--panel-border);text-align:center;border-radius:14px;flex-direction:column;align-items:center;width:min(380px,100%);padding:32px 28px 24px;display:flex;position:relative;box-shadow:0 20px 60px #0000004d}.onboarding-dialog__close{color:var(--ink-soft);cursor:pointer;background:0 0;border:none;border-radius:8px;padding:6px;display:flex;position:absolute;top:12px;right:12px}.onboarding-dialog__close:hover{background:var(--accent-soft);color:var(--accent)}.onboarding-dialog__icon{background:var(--accent-soft);width:56px;height:56px;color:var(--accent);border-radius:50%;justify-content:center;align-items:center;margin-bottom:16px;display:flex}.onboarding-dialog__title{color:var(--ink);margin:0 0 10px;font-size:17px;font-weight:650}.onboarding-dialog__body{color:var(--ink-soft);min-height:82px;margin:0;font-size:13.5px;line-height:1.55}.onboarding-dialog__dots{gap:6px;margin:20px 0 4px;display:flex}.onboarding-dialog__dot{background:var(--panel-border);cursor:pointer;border:none;border-radius:50%;width:7px;height:7px;padding:0}.onboarding-dialog__dot--active{background:var(--accent)}.onboarding-dialog__footer{justify-content:space-between;align-items:center;gap:10px;width:100%;margin-top:20px;display:flex}.onboarding-dialog__btn{font:inherit;cursor:pointer;border:none;border-radius:8px;padding:8px 16px;font-size:13px;font-weight:600}.onboarding-dialog__btn--ghost{color:var(--ink-soft);background:0 0}.onboarding-dialog__btn--ghost:hover{background:var(--accent-soft);color:var(--accent)}.onboarding-dialog__btn--primary{background:var(--accent);color:#fff}.onboarding-dialog__btn--primary:hover{opacity:.9}.shortcuts-dialog__footer{border-top:1px solid var(--panel-border);flex-shrink:0;justify-content:center;padding:12px 20px;display:flex}.shortcuts-dialog__replay{font:inherit;color:var(--accent);cursor:pointer;background:0 0;border:none;padding:4px 8px;font-size:12.5px}.shortcuts-dialog__replay:hover{text-decoration:underline}