*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}:root{--bg:#0b0d17;--bg2:#12152a;--card:#1a1d35;--card-border:#2a2d4a;--accent:#6c8cff;--accent2:#4ecdc4;--gold:#f0c040;--text:#e8e8f0;--text2:#9898b0;--danger:#ff6b6b;--success:#4ecdc4;--radius:12px;--nav-h:52px}html{font-size:15px}body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;background:var(--bg);color:var(--text);min-height:100vh;padding-top:var(--nav-h);overflow-x:hidden}a{color:var(--accent);text-decoration:none}

/* ===== Top Bar ===== */
.topbar{position:fixed;top:0;left:0;right:0;height:var(--nav-h);background:rgba(11,13,23,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);z-index:100;border-bottom:1px solid var(--card-border);display:flex;align-items:center}

.nav-tabs{display:flex;width:80%;gap:0}
.nav-link{flex:1;text-align:center;padding:14px 0;font-size:.9rem;font-weight:500;color:var(--text2);transition:color .2s,border-color .2s;border-bottom:2px solid transparent;cursor:pointer;user-select:none;white-space:nowrap}
.nav-link.active{color:var(--accent);border-bottom-color:var(--accent)}
.nav-link .full-text{display:inline}.nav-link .short-text{display:none}
@media(max-width:400px){.nav-link{font-size:.82rem}.nav-link .full-text{display:none}.nav-link .short-text{display:inline}}

/* ===== Server Cycle Button ===== */
.server-cycle{width:20%;text-align:center;padding:14px 0;font-size:.78rem;font-weight:600;cursor:pointer;user-select:none;border-bottom:2px solid transparent;transition:color .2s;opacity:.7}
.server-cycle:active{opacity:1}
.server-cycle[data-server="official"]{color:#5b9cff}
.server-cycle[data-server="bilibili"]{color:#ff9ecd}
.server-cycle[data-server="all"]{color:var(--accent2)}

/* ===== Page ===== */
.page{display:none;padding:16px 12px 100px;max-width:480px;margin:0 auto}.page.active{display:block}

/* ===== Room Grid ===== */
.room-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.room-card{background:var(--card);border:1px solid var(--card-border);border-radius:var(--radius);padding:14px;position:relative;transition:transform .15s,box-shadow .15s;cursor:default;user-select:none;-webkit-user-select:none}
.room-card:active{transform:scale(.97)}.room-card.reported{opacity:.6;border-color:var(--danger)}
.room-card .name-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:4px}
.room-card .display-name{font-size:1.05rem;font-weight:700;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:65%}
.room-card .uid-small{font-size:.72rem;color:var(--text2);opacity:.7;font-family:'SF Mono','Fira Code',monospace;cursor:pointer}
.room-card .uid-small:active{color:var(--accent)}
.room-card .uid-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px}
.room-card .uid{font-size:1.05rem;font-weight:700;color:var(--accent);font-family:'SF Mono','Fira Code',monospace;letter-spacing:.5px}
.room-card .copy-btn{background:rgba(108,140,255,.15);border:1px solid rgba(108,140,255,.3);border-radius:6px;padding:3px 8px;font-size:.72rem;color:var(--accent);cursor:pointer;transition:background .2s;flex-shrink:0}
.room-card .copy-btn:active{background:rgba(108,140,255,.3)}
.room-card .password{font-size:.82rem;color:var(--gold);margin-bottom:4px;font-family:'SF Mono','Fira Code',monospace}
.room-card .password::before{content:'🔑 '}
.room-card .desc{font-size:.82rem;color:var(--text2);margin-bottom:4px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.room-card .creator{font-size:.75rem;color:var(--text2);opacity:.7}.room-card .creator::before{content:'by '}
.room-card .meta{display:flex;justify-content:space-between;align-items:center;margin-top:8px;font-size:.7rem;color:var(--text2);opacity:.6}
.room-card .tag{display:inline-block;padding:2px 6px;border-radius:4px;font-size:.65rem;font-weight:600}
.tag-reported{background:rgba(255,107,107,.15);color:var(--danger);border:1px solid rgba(255,107,107,.3)}
.tag-server{font-size:.6rem;padding:1px 5px;border-radius:3px;font-weight:600;margin-left:4px}
.tag-official{background:rgba(91,156,255,.15);color:#5b9cff}
.tag-bilibili{background:rgba(255,158,206,.15);color:#ff9ecd}

/* ===== Create Button ===== */
.create-btn{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);width:56px;height:56px;border-radius:50%;background:linear-gradient(135deg,var(--accent),#8b5cf6);border:none;color:#fff;font-size:1.6rem;cursor:pointer;box-shadow:0 4px 20px rgba(108,140,255,.4);display:flex;align-items:center;justify-content:center;z-index:90;transition:transform .2s,box-shadow .2s}
.create-btn:active{transform:translateX(-50%) scale(.92)}

/* ===== Create Page ===== */
.create-page{padding:20px 16px;max-width:480px;margin:0 auto}
.create-page h2{font-size:1.2rem;margin-bottom:20px;color:var(--text)}
.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:.85rem;color:var(--text2);margin-bottom:6px}
.form-group label .required{color:var(--danger);margin-left:2px}
.form-group label .optional{color:var(--text2);font-size:.75rem;opacity:.6}
.form-input{width:100%;background:var(--bg2);border:1px solid var(--card-border);border-radius:8px;padding:12px 14px;font-size:1rem;color:var(--text);outline:none;transition:border-color .2s;font-family:inherit}
.form-input:focus{border-color:var(--accent)}.form-input::placeholder{color:var(--text2);opacity:.4}
textarea.form-input{resize:vertical;min-height:60px}
select.form-input{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%239898b0' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:32px}
.char-count{text-align:right;font-size:.72rem;color:var(--text2);opacity:.5;margin-top:4px}
.char-count.warn{color:var(--danger);opacity:1}
.submit-btn{width:100%;padding:14px;background:linear-gradient(135deg,var(--accent),#8b5cf6);border:none;border-radius:10px;color:#fff;font-size:1rem;font-weight:600;cursor:pointer;margin-top:8px;transition:opacity .2s}
.submit-btn:active{opacity:.85}.submit-btn:disabled{opacity:.5;cursor:not-allowed}
.back-link{display:inline-flex;align-items:center;gap:4px;font-size:.9rem;color:var(--text2);margin-bottom:16px}

/* ===== Server Select in Create ===== */
.server-select{display:flex;gap:8px}
.server-select-btn{flex:1;padding:12px;border-radius:8px;border:1px solid var(--card-border);background:var(--bg2);color:var(--text2);font-size:.9rem;cursor:pointer;text-align:center;transition:all .2s}
.server-select-btn.active{border-color:var(--accent);color:var(--accent);font-weight:600}
.server-select-btn[data-value="bilibili"].active{border-color:#ff9ecd;color:#ff9ecd}
.server-select-btn[data-value="official"].active{border-color:#5b9cff;color:#5b9cff}

/* ===== Toast ===== */
.toast{position:fixed;top:calc(var(--nav-h) + 12px);left:50%;transform:translateX(-50%) translateY(-20px);background:var(--card);border:1px solid var(--card-border);border-radius:8px;padding:10px 20px;font-size:.9rem;color:var(--text);z-index:200;opacity:0;transition:opacity .3s,transform .3s;pointer-events:none;white-space:nowrap}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}.toast.success{border-color:var(--success);color:var(--success)}.toast.error{border-color:var(--danger);color:var(--danger)}

/* ===== Empty State ===== */
.empty-state{text-align:center;padding:60px 20px;color:var(--text2)}.empty-state .icon{font-size:3rem;margin-bottom:12px;opacity:.4}.empty-state p{font-size:.9rem}

/* ===== Admin ===== */
.admin-page{padding:20px 16px;max-width:600px;margin:0 auto}
.admin-login{max-width:320px;margin:80px auto;text-align:center}.admin-login h2{margin-bottom:24px}
.admin-list{list-style:none}
.admin-item{background:var(--card);border:1px solid var(--card-border);border-radius:var(--radius);padding:14px;margin-bottom:10px}
.admin-item.hidden{opacity:.4;border-style:dashed}
.admin-item .top-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}
.admin-item .uid{font-weight:700;font-family:'SF Mono','Fira Code',monospace;color:var(--accent)}
.admin-item .type-badge{font-size:.7rem;padding:2px 8px;border-radius:4px;font-weight:600}
.badge-star{background:rgba(108,140,255,.15);color:var(--accent)}.badge-teyvat{background:rgba(78,205,196,.15);color:var(--accent2)}
.admin-item .info{font-size:.82rem;color:var(--text2);line-height:1.6}
.admin-item .actions{display:flex;gap:8px;margin-top:10px}
.admin-item .actions button{padding:6px 12px;border-radius:6px;border:1px solid var(--card-border);background:var(--bg2);color:var(--text2);font-size:.78rem;cursor:pointer;transition:background .2s}
.admin-item .actions button:active{background:var(--card-border)}
.admin-item .actions .btn-delete{border-color:rgba(255,107,107,.3);color:var(--danger)}
.admin-item .actions .btn-unreport{border-color:rgba(78,205,196,.3);color:var(--success)}
.admin-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}
.admin-header h2{font-size:1.1rem}
.admin-header .logout-btn{padding:6px 14px;border-radius:6px;border:1px solid var(--card-border);background:var(--bg2);color:var(--text2);font-size:.82rem;cursor:pointer}
.admin-filters{display:flex;gap:8px;margin-bottom:14px;flex-wrap:wrap}
.filter-btn{padding:6px 14px;border-radius:20px;border:1px solid var(--card-border);background:var(--bg2);color:var(--text2);font-size:.8rem;cursor:pointer;transition:all .2s}
.filter-btn.active{background:var(--accent);border-color:var(--accent);color:#fff}
.loading{text-align:center;padding:40px;color:var(--text2)}
.spinner{width:24px;height:24px;border:2px solid var(--card-border);border-top-color:var(--accent);border-radius:50%;animation:spin .6s linear infinite;margin:0 auto 10px}
@keyframes spin{to{transform:rotate(360deg)}}
.longpress-hint{position:fixed;bottom:90px;left:50%;transform:translateX(-50%);font-size:.75rem;color:var(--text2);opacity:.5;pointer-events:none}