:root{color-scheme:dark;--bg: #111318;--bg-elevated: #1b1e26;--text: #e8eaed;--text-muted: #9aa0ab;--accent: #5b8cff;--danger: #ff5b5b;--ok: #4ade80;--border: #2a2d36}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left)}.main-tab-view{display:flex;flex-direction:column;height:100%}.main-tab-view main{flex:1;overflow-y:auto}.tab-bar{display:flex;border-top:1px solid var(--border);background:var(--bg-elevated);padding-bottom:env(safe-area-inset-bottom)}.tab-bar button{flex:1;background:none;border:none;color:var(--text-muted);padding:10px 0 6px;font-size:12px;display:flex;flex-direction:column;align-items:center;gap:2px}.tab-bar button span{font-size:20px}.tab-bar button.active{color:var(--accent)}.screen{padding:16px;max-width:560px;margin:0 auto}h1{font-size:22px}section{margin:16px 0}label{display:block;margin:12px 0;font-size:14px;color:var(--text-muted)}input[type=text],input[type=password],textarea,select{width:100%;margin-top:4px;padding:10px;border-radius:8px;border:1px solid var(--border);background:var(--bg-elevated);color:var(--text);font-size:15px}button{display:block;width:100%;margin:8px 0;padding:12px;border-radius:10px;border:none;background:var(--accent);color:#fff;font-size:15px;font-weight:600}button:disabled{opacity:.4}button.destructive{background:var(--danger)}.build-timestamp{margin-top:24px;text-align:center;color:var(--text-muted);opacity:.6;font-size:11px}.hint,.muted{color:var(--text-muted);font-size:13px}.error-banner{display:flex;gap:8px;padding:10px;border-radius:8px;background:#ff5b5b1f;color:var(--danger);margin:8px 0;white-space:pre-wrap;word-break:break-word;font-size:13px}.loading-view{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:40px 16px;text-align:center;white-space:pre-line}.spinner{width:28px;height:28px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.guide-section ul,.watch-out ul{list-style:none;padding:0}.guide-item{display:flex;align-items:center;gap:10px;background:var(--bg-elevated);text-align:left;font-weight:400}.guide-item .label{flex:1;display:flex;flex-direction:column}.guide-item .reason{font-size:12px;color:var(--text-muted)}.capability-report ul{list-style:none;padding:0;font-size:13px}.capability-report li{padding:4px 0;border-bottom:1px solid var(--border)}.spike-result{margin-top:12px}.spike-raw{white-space:pre-wrap;word-break:break-word;background:var(--bg-elevated);border:1px solid var(--border);border-radius:8px;padding:10px;font-size:12px;max-height:240px;overflow-y:auto}.onboarding-topbar{display:flex;justify-content:flex-end;padding:8px 16px 0}.settings-gear{width:auto;background:none;font-size:22px;padding:6px 10px}.settings-header{display:flex;align-items:center;justify-content:space-between}.close-button{width:auto;background:none;color:var(--accent);font-weight:600;padding:6px 10px}.sheet{position:fixed;top:0;right:0;bottom:0;left:0;background:var(--bg);overflow-y:auto;z-index:10;padding-top:env(safe-area-inset-top);padding-bottom:env(safe-area-inset-bottom);padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right);box-sizing:border-box}.status-ok{color:var(--ok)}.status-error{color:var(--danger)}.segmented{display:flex;gap:8px}.segmented button{flex:1;background:var(--bg-elevated);color:var(--text)}.segmented button.selected{background:var(--accent);color:#fff}.toast{background:#4ade801f;color:var(--ok);padding:10px;border-radius:8px;margin-bottom:12px}fieldset{border:1px solid var(--border);border-radius:8px}fieldset label{display:flex;align-items:center;gap:8px;color:var(--text)}fieldset input[type=checkbox]{width:auto}