:root{color-scheme:light;--bg: #ffffff;--text: #111111;--muted-text: #555555;--surface: #ffffff;--surface-2: #f7f7f7;--login-status-bg: #f8f8f8;--border: #dddddd;--border-strong: #333333;--primary: #333333;--on-primary: #ffffff;--danger: #e53935;--shadow: rgba(0, 0, 0, .1);--novel-card-bg: #ffffff;--novel-card-border: #dddddd;--novel-card-desc: #444444;--novel-card-meta: #666666;--ai-desc-text: #555555;--ai-result-bg: #fafafa;--ai-result-surface: #ffffff;--ai-result-border: #dddddd;--premium-bg: #eeffee;--premium-border: #00aa00;--premium-text: #006600}:root[data-theme=dark]{color-scheme:dark;--bg: #0f1115;--text: #e8e9ee;--muted-text: #b7bcc8;--surface: #151823;--surface-2: #1b2030;--login-status-bg: #2b2f36;--border: #2a3040;--border-strong: #cfd3dd;--primary: #e8e9ee;--on-primary: #0f1115;--shadow: rgba(0, 0, 0, .35);--novel-card-bg: #2b2f36;--novel-card-border: #3a3f48;--novel-card-desc: #e8e9ee;--novel-card-meta: #b7bcc8;--ai-desc-text: #e8e9ee;--ai-result-bg: #2b2f36;--ai-result-surface: #3a3f48;--ai-result-border: #454b55;--premium-bg: #0f2a18;--premium-border: #1f7a3f;--premium-text: #e8e9ee}html,body{background:var(--bg);color:var(--text)}input,textarea,select{background:var(--surface);color:var(--text);border-color:var(--border)}a{color:inherit}.user-link{display:inline-block;color:inherit;text-decoration:none;padding:3px 7px!important;border-radius:5px!important}.user-link:hover{text-decoration:underline}.btn{display:inline-block;padding:10px 20px;font-weight:600;text-decoration:none;cursor:pointer;transition:.2s ease}.btn-border:hover{color:var(--bg);background:var(--text)}button.btn.btn-border{background:var(--surface);border:2px solid var(--border-strong);color:var(--text)}button.btn.btn-border:hover{background:var(--text);color:var(--bg)}.btn{display:inline-block;cursor:pointer;padding:8px 16px;text-decoration:none;font-weight:700;transition:.2s}.btn-border{border:2px solid var(--border-strong);border-radius:0;background:var(--surface);color:var(--text)}.btn-border:hover{background:var(--text);color:var(--bg)}.site-title-link{text-decoration:none;color:inherit;font-size:20px;font-weight:700}.site-header{position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px;border-bottom:1px solid var(--border);background:var(--surface)}.site-header-left{display:flex;align-items:center;gap:8px}.site-title{margin:0;font-size:22px}.nav-links{display:flex;align-items:center;gap:12px}.nav-link{font-size:14px;padding:6px 10px;border-radius:6px;border:1px solid transparent;text-decoration:none;color:var(--text);white-space:nowrap}.nav-link:hover{border-color:var(--border-strong);background:var(--surface-2);color:var(--text)!important}.nav-link-accent{border-color:#333;font-weight:600}.login-status{font-size:12px;color:var(--muted-text);white-space:nowrap}.nav-toggle{display:none;width:32px;height:32px;padding:0;border:none;background:transparent;flex-direction:column;justify-content:center;align-items:center;gap:4px;cursor:pointer}.nav-toggle span{display:block;width:20px;height:2px;background:var(--text);border-radius:999px;transition:transform .2s ease,opacity .2s ease}.nav-toggle-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}.nav-toggle-open span:nth-child(2){opacity:0}.nav-toggle-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}.search-bar{display:flex;flex-wrap:wrap;gap:.75rem;align-items:center;margin-bottom:1rem}.tag-chip-row{display:flex;flex-wrap:wrap;gap:6px}.tag-chip{display:inline-block;padding:2px 8px;border-radius:999px;border:1px solid var(--border);background:var(--surface-2);color:var(--text);font-size:.85rem;text-decoration:none}.tag-chip:hover{border-color:var(--border-strong)}.search-input,.search-tag-input{padding:6px 8px;flex:1 1 140px;min-width:0}.search-button{padding:6px 12px;background:var(--primary);color:var(--on-primary);border:none;border-radius:4px;cursor:pointer;flex:0 0 auto;white-space:nowrap}.register-container{max-width:420px;margin:40px auto;padding:24px;background:var(--surface);border-radius:6px;box-shadow:0 0 8px var(--shadow)}.register-title{font-size:22px;font-weight:700;margin-bottom:16px}.register-error{color:red;margin-bottom:12px}.register-form{display:flex;flex-direction:column;gap:16px}.form-group label{display:block;margin-bottom:4px;font-weight:600}.input{width:100%;padding:8px 10px;border:1px solid var(--border);border-radius:4px}.btn-primary{background:var(--primary);color:var(--on-primary);padding:10px 12px;border:none;border-radius:4px;cursor:pointer}.btn-primary:hover{background:var(--text);color:var(--bg)}.register-footer{margin-top:16px}@media (max-width: 640px){.site-header{position:sticky;top:0}.login-status{display:none}.nav-toggle{display:inline-flex}.nav-links{position:absolute;top:56px;left:0;right:0;padding:8px 16px 12px;background:var(--surface);border-bottom:1px solid var(--border);display:none;flex-direction:column;align-items:stretch;gap:8px}.nav-links.nav-open{display:flex}.nav-link{display:block;text-align:center;padding:10px 12px;border-radius:8px;border:1px solid var(--border-strong)}.nav-link-accent{background:var(--primary);color:var(--on-primary)}.search-bar{flex-direction:column;align-items:stretch}.search-input,.search-tag-input,.search-button{width:100%;flex:0 0 auto;box-sizing:border-box}}.nav-link-accent:hover{background:var(--primary);color:var(--on-primary)}.nav-link-accent{border:2px solid var(--danger);color:var(--danger);background:var(--surface);font-weight:700}.nav-link-accent:hover{background:var(--danger);color:#fff!important;border-color:var(--danger)}