:root{color-scheme:light dark;--bg: #f8fafc;--surface: #ffffff;--text: #0f172a;--muted: #64748b;--primary: #0ea5e9;--danger: #ef4444;--ok: #10b981}*{box-sizing:border-box}html,body,#root{margin:0;padding:0;height:100%;background:var(--bg);color:var(--text);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,PingFang SC,Microsoft YaHei,sans-serif;font-size:14px}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}.layout{display:flex;flex-direction:column;min-height:100%}.layout__header{display:flex;align-items:center;justify-content:space-between;padding:12px 24px;background:var(--surface);border-bottom:1px solid #e5e7eb}.layout__brand{font-weight:700;font-size:18px;color:var(--text)}.layout__nav a{margin-left:16px}.layout__main{flex:1;padding:24px;max-width:960px;width:100%;margin:0 auto}.layout__footer{padding:16px 24px;color:var(--muted);text-align:center;font-size:12px}.login{--login-bg: oklch(98% .004 95);--login-surface: oklch(100% .002 95);--login-fg: oklch(20% .018 70);--login-muted: oklch(48% .012 70);--login-border: oklch(90% .006 95);--login-accent: oklch(52% .1 28);--login-display: "Iowan Old Style", Charter, Georgia, serif;color-scheme:light;min-height:calc(100vh - 116px);display:flex;align-items:center;justify-content:center;padding:24px;background:var(--login-bg);color:var(--login-fg)}.login__shell{width:100%;max-width:420px}.login__brand{text-align:center;margin-bottom:48px}.login__brand-name{font-family:var(--login-display);font-size:36px;font-weight:400;letter-spacing:0}.login__tagline{margin-top:6px;color:var(--login-muted);font-size:14px;letter-spacing:.04em;text-transform:uppercase}.login__card{background:var(--login-surface);border:1px solid var(--login-border);border-radius:4px;padding:40px 36px}.login__title{margin:0 0 32px;text-align:center;font-family:var(--login-display);font-size:22px;font-weight:400;letter-spacing:0}.login__google{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;padding:12px 16px;border:1px solid var(--login-border);border-radius:4px;background:var(--login-surface);color:var(--login-fg);font:inherit;font-size:15px;cursor:pointer;transition:border-color .15s}.login__google:hover{border-color:var(--login-muted)}.login__google svg{width:18px;height:18px;flex-shrink:0}.login__divider{display:flex;align-items:center;gap:16px;margin:28px 0;color:var(--login-muted);font-size:12px;letter-spacing:.08em;text-transform:uppercase}.login__divider:before,.login__divider:after{content:"";flex:1;height:1px;background:var(--login-border)}.login__form{display:grid;gap:20px}.login__field{display:grid;gap:6px}.login__field span{color:var(--login-muted);font-size:13px;font-weight:500;letter-spacing:.02em}.login__field input{width:100%;padding:11px 14px;border:1px solid var(--login-border);border-radius:4px;background:var(--login-bg);color:var(--login-fg);font:inherit;font-size:15px;transition:border-color .15s}.login__field input::placeholder{color:color-mix(in oklch,var(--login-muted) 60%,transparent)}.login__field input:focus{outline:none;border-color:var(--login-accent)}.login__meta{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:-4px;font-size:13px}.login__remember{display:flex;align-items:center;gap:6px;color:var(--login-muted);white-space:nowrap}.login__remember input{width:15px;height:15px;accent-color:var(--login-accent)}.login__submit{width:100%;padding:13px 16px;border:0;border-radius:4px;background:var(--login-accent);color:var(--login-bg);font:inherit;font-size:15px;font-weight:600;letter-spacing:.01em;cursor:pointer;transition:opacity .15s}.login__submit:hover{opacity:.9}.login__card-footer{display:flex;justify-content:center;gap:6px;margin-top:28px;color:var(--login-muted);font-size:14px}.login__link{padding:0;border:0;background:transparent;color:var(--login-accent);font:inherit;font-weight:500;cursor:pointer}.login__link:hover{text-decoration:underline}.login__legal{margin:24px 0 0;text-align:center;color:var(--login-muted);font-size:12px;opacity:.75}.login__message{text-align:center}.login__google:focus-visible,.login__submit:focus-visible,.login__link:focus-visible,.login__field input:focus-visible{outline:2px solid var(--login-accent);outline-offset:2px}.login__google:disabled,.login__submit:disabled,.login__link:disabled,.login__field input:disabled,.login__remember input:disabled{cursor:not-allowed;opacity:.65}@media(max-width:480px){.login{padding:20px 0}.login__brand{margin-bottom:36px}.login__brand-name{font-size:30px}.login__card{padding:32px 24px}.login__meta{align-items:flex-start;flex-direction:column;gap:10px}}.items__add{display:flex;gap:8px;margin-bottom:16px}.items__add input{flex:1;padding:8px 10px;border:1px solid #cbd5e1;border-radius:6px}.items__add button{padding:8px 14px;background:var(--primary);color:#fff;border:0;border-radius:6px;cursor:pointer}.items__list{list-style:none;padding:0;margin:0}.items__row{display:grid;grid-template-columns:80px 1fr auto auto;align-items:center;gap:12px;padding:10px 0;border-bottom:1px solid #e5e7eb}.items__text{color:var(--text)}.items__row time{color:var(--muted);font-size:12px}.items__row button{background:transparent;color:var(--danger);border:0;cursor:pointer}.tag{font-size:11px;padding:2px 8px;border-radius:999px;background:#e2e8f0;color:var(--muted);text-align:center}.tag--word{background:#dbeafe;color:#1d4ed8}.tag--phrase{background:#fef3c7;color:#92400e}.tag--article{background:#dcfce7;color:#166534}.items__logout{margin-top:24px;background:transparent;color:var(--muted);border:0;cursor:pointer}.ok{color:var(--ok)}.err{color:var(--danger)}.item-detail dl{display:grid;grid-template-columns:100px 1fr;gap:8px 16px;margin-top:16px}.item-detail dt{color:var(--muted)}