*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg-primary: #0f0f1a;--bg-secondary: #1a1a2e;--bg-tertiary: #252540;--bg-input: #1e1e35;--text-primary: #e8e8f0;--text-secondary: #9898b0;--text-muted: #6868a0;--accent: #7c3aed;--accent-hover: #6d28d9;--accent-light: #a78bfa;--danger: #ef4444;--danger-hover: #dc2626;--success: #22c55e;--border: #2a2a45;--radius: 10px;--radius-lg: 16px;--shadow: 0 2px 8px rgba(0, 0, 0, .3)}html,body{height:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:15px;line-height:1.5;background:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;overscroll-behavior:none}#app{height:100%;display:flex;flex-direction:column}.login-page{height:100%;display:flex;align-items:center;justify-content:center;padding:20px;background:linear-gradient(135deg,var(--bg-primary) 0%,#16162b 100%)}.login-card{width:100%;max-width:380px;background:var(--bg-secondary);border-radius:var(--radius-lg);padding:36px 28px;box-shadow:var(--shadow);text-align:center}.login-logo{margin-bottom:16px}.login-title{font-size:24px;font-weight:700;margin-bottom:4px}.login-subtitle{font-size:14px;color:var(--text-secondary);margin-bottom:24px}.login-error{background:#ef444426;color:#f87171;padding:10px 14px;border-radius:var(--radius);margin-bottom:16px;font-size:13px;text-align:left}.login-label{display:block;text-align:left;font-size:13px;color:var(--text-secondary);margin-bottom:6px}.login-input{width:100%;padding:12px 14px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius);color:var(--text-primary);font-size:16px;outline:none;transition:border-color .15s;margin-bottom:14px}.login-input:focus{border-color:var(--accent)}.login-input-code{text-align:center;letter-spacing:8px;font-size:22px;font-weight:600}.login-btn{width:100%;padding:12px;background:var(--accent);color:#fff;border:none;border-radius:var(--radius);font-size:15px;font-weight:600;cursor:pointer;transition:background .15s;margin-bottom:10px}.login-btn:hover:not(:disabled){background:var(--accent-hover)}.login-btn:disabled{opacity:.5;cursor:not-allowed}.login-btn-google{background:var(--bg-tertiary);border:1px solid var(--border);display:flex;align-items:center;justify-content:center}.login-btn-google:hover:not(:disabled){background:#303050}.login-link{background:none;border:none;color:var(--accent-light);cursor:pointer;font-size:13px;padding:4px}.login-link:hover{text-decoration:underline}.login-hint{font-size:13px;color:var(--text-secondary);margin-bottom:14px;text-align:left}.login-divider{display:flex;align-items:center;gap:12px;margin:18px 0;color:var(--text-muted);font-size:13px}.login-divider:before,.login-divider:after{content:"";flex:1;height:1px;background:var(--border)}.chat-page{height:100%;display:flex;flex-direction:column;background:var(--bg-primary)}.chat-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:var(--bg-secondary);border-bottom:1px solid var(--border);flex-shrink:0}.chat-header-left{display:flex;align-items:baseline;gap:10px}.chat-header-title{font-size:18px;font-weight:700}.chat-header-meta{font-size:12px;color:var(--text-muted)}.chat-header-settings{color:var(--text-secondary);display:flex;padding:6px;border-radius:8px;transition:background .15s}.chat-header-settings:hover{background:var(--bg-tertiary);color:var(--text-primary)}.chat-messages{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:8px}.chat-empty{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--text-muted);font-size:15px;gap:8px}.chat-empty-icon{font-size:48px;opacity:.3}.chat-loading-more{text-align:center;color:var(--text-muted);font-size:13px;padding:8px}.msg{display:flex;max-width:80%}.msg-user{align-self:flex-end;margin-left:auto}.msg-ai{align-self:flex-start}.msg-bubble{padding:10px 14px;border-radius:var(--radius-lg);line-height:1.5;word-wrap:break-word;white-space:pre-wrap}.msg-user .msg-bubble{background:var(--accent);color:#fff;border-bottom-right-radius:4px}.msg-ai .msg-bubble{background:var(--bg-tertiary);color:var(--text-primary);border-bottom-left-radius:4px}.msg-text{font-size:15px}.msg-channel{display:inline-block;margin-top:4px;font-size:10px;color:var(--text-muted);text-transform:uppercase}.chat-typing{display:flex;gap:4px;padding:10px 14px;align-self:flex-start}.chat-typing .dot{width:8px;height:8px;background:var(--text-muted);border-radius:50%;animation:typing-bounce 1.2s ease-in-out infinite}.chat-typing .dot:nth-child(2){animation-delay:.15s}.chat-typing .dot:nth-child(3){animation-delay:.3s}@keyframes typing-bounce{0%,60%,to{transform:translateY(0);opacity:.4}30%{transform:translateY(-6px);opacity:1}}.chat-error{padding:10px 16px;background:#ef444426;color:#f87171;font-size:13px;cursor:pointer;flex-shrink:0}.chat-input-bar{display:flex;align-items:flex-end;gap:8px;padding:10px 12px;background:var(--bg-secondary);border-top:1px solid var(--border);flex-shrink:0}.chat-input-textarea{flex:1;padding:10px 14px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-lg);color:var(--text-primary);font-size:15px;font-family:inherit;line-height:1.4;resize:none;outline:none;max-height:120px;overflow-y:auto;transition:border-color .15s}.chat-input-textarea:focus{border-color:var(--accent)}.chat-input-textarea::placeholder{color:var(--text-muted)}.chat-input-send{width:42px;height:42px;display:flex;align-items:center;justify-content:center;background:var(--accent);color:#fff;border:none;border-radius:50%;cursor:pointer;flex-shrink:0;transition:background .15s}.chat-input-send:hover:not(:disabled){background:var(--accent-hover)}.chat-input-send:disabled{opacity:.4;cursor:not-allowed}.settings-page{height:100%;display:flex;flex-direction:column;background:var(--bg-primary)}.settings-header{display:flex;align-items:center;gap:12px;padding:12px 16px;background:var(--bg-secondary);border-bottom:1px solid var(--border);flex-shrink:0}.settings-header h1{font-size:18px;font-weight:700}.settings-back{color:var(--accent-light);text-decoration:none;font-size:14px}.settings-back:hover{text-decoration:underline}.settings-content{flex:1;overflow-y:auto;padding:16px}.settings-loading{padding:40px;text-align:center;color:var(--text-muted)}.settings-error{background:#ef444426;color:#f87171;padding:10px 14px;border-radius:var(--radius);margin-bottom:16px;font-size:13px}.settings-success{background:#22c55e26;color:#4ade80;padding:10px 14px;border-radius:var(--radius);margin-bottom:16px;font-size:13px;cursor:pointer}.settings-section{margin-bottom:28px}.settings-section h2{font-size:14px;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;margin-bottom:12px}.settings-section h3{font-size:14px;font-weight:600;margin-bottom:8px}.settings-plan-info{display:flex;align-items:center;gap:12px}.settings-plan-badge{display:inline-block;padding:4px 12px;background:var(--accent);color:#fff;border-radius:20px;font-size:12px;font-weight:700;letter-spacing:.5px}.settings-plan-quota{font-size:14px;color:var(--text-secondary)}.settings-sms-credits{margin-top:6px;font-size:13px;color:var(--text-muted)}.settings-modes{display:flex;flex-direction:column;gap:8px}.settings-mode-btn{display:flex;flex-direction:column;align-items:flex-start;padding:12px 16px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius);color:var(--text-primary);cursor:pointer;transition:border-color .15s,background .15s;text-align:left}.settings-mode-btn strong{font-size:14px}.settings-mode-btn span{font-size:12px;color:var(--text-muted)}.settings-mode-btn:hover{border-color:var(--accent)}.settings-mode-btn.active{border-color:var(--accent);background:#7c3aed1a}.settings-detail{font-size:14px;color:var(--text-secondary);margin-bottom:12px}.settings-btn{padding:10px 18px;background:var(--bg-tertiary);color:var(--text-primary);border:1px solid var(--border);border-radius:var(--radius);font-size:14px;cursor:pointer;transition:background .15s;margin-right:8px;margin-bottom:8px}.settings-btn:hover:not(:disabled){background:#353558}.settings-btn:disabled{opacity:.5;cursor:not-allowed}.settings-btn-danger{background:#ef444426;border-color:var(--danger);color:#f87171}.settings-btn-danger:hover:not(:disabled){background:#ef444440}.settings-btn-logout{background:var(--bg-secondary);width:100%;text-align:center}.settings-input{width:100%;padding:10px 14px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius);color:var(--text-primary);font-size:15px;outline:none;margin-bottom:10px}.settings-input:focus{border-color:var(--accent)}.settings-link-box{margin-top:12px;padding:14px;background:var(--bg-secondary);border-radius:var(--radius);border:1px solid var(--border)}.settings-toggles{display:flex;flex-direction:column;gap:12px;margin-bottom:16px}.settings-toggle{display:flex;align-items:center;gap:10px;cursor:pointer;font-size:14px}.settings-toggle input[type=checkbox]{width:18px;height:18px;accent-color:var(--accent)}.settings-privacy-actions{display:flex;flex-wrap:wrap}.settings-report{margin-top:12px;padding:14px;background:var(--bg-secondary);border-radius:var(--radius);border:1px solid var(--border)}.settings-report h3{margin-bottom:6px}.settings-report p{font-size:14px;color:var(--text-secondary);white-space:pre-wrap}.settings-report-meta{margin-top:8px;font-size:12px;color:var(--text-muted)}.settings-delete-confirm{padding:14px;background:#ef444414;border-radius:var(--radius)}.settings-delete-confirm p{font-size:14px;color:#f87171;margin-bottom:12px}.settings-danger h2{color:var(--danger)}@media(min-width:640px){.chat-messages{padding:20px 10%}.msg{max-width:65%}.chat-input-bar{padding:12px 10%}.settings-content{max-width:540px;margin:0 auto;padding:24px 20px}}@supports (padding-top: env(safe-area-inset-top)){.chat-header,.settings-header{padding-top:calc(12px + env(safe-area-inset-top))}.chat-input-bar{padding-bottom:calc(10px + env(safe-area-inset-bottom))}}