*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg-primary:#0e0e1a;
  --bg-secondary:#151528;
  --bg-card:#1c1c36;
  --bg-hover:#252550;
  --bg-input:#1a1a34;
  --text-primary:#e8e8f0;
  --text-secondary:#9898b8;
  --text-muted:#6e6e8a;
  --accent:#6C63FF;
  --accent-hover:#7b73ff;
  --accent-glow:rgba(108,99,255,0.3);
  --danger:#ff4757;
  --success:#2ed573;
  --border:#2a2a50;
  --radius:12px;
  --radius-sm:8px;
  --radius-lg:20px;
  --shadow:0 4px 24px rgba(0,0,0,0.4);
  --font:'Inter','Segoe UI',system-ui,-apple-system,sans-serif;
  --chat-font-size:14px;
}
html,body{height:100%;font-family:var(--font);background:var(--bg-primary);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--accent);text-decoration:none}
a:hover{color:var(--accent-hover)}

.app-container{display:flex;height:100vh;overflow:hidden}

.sidebar{
  width:280px;flex-shrink:0;background:var(--bg-secondary);
  border-right:1px solid var(--border);display:flex;flex-direction:column;overflow:hidden;
  transition:margin-left .3s ease,opacity .3s ease;
}
.sidebar-header{padding:24px 20px 16px}
.logo{font-size:18px;font-weight:700;background:linear-gradient(135deg,var(--accent),#b388ff);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.tagline{font-size:12px;color:var(--text-muted);margin-top:2px}
.sidebar-nav{display:flex;flex-direction:column;gap:2px;padding:0 12px 16px}
.nav-item{
  display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:var(--radius-sm);
  color:var(--text-secondary);transition:all .2s;font-size:14px;
}
.nav-item:hover,.nav-item.active{background:var(--bg-hover);color:var(--text-primary)}
.nav-item.active{color:var(--accent)}

.sidebar-section{padding:0 12px;flex:1;overflow-y:auto}
.sidebar-section-title{font-size:11px;text-transform:uppercase;letter-spacing:1px;color:var(--text-muted);padding:12px 8px 8px;font-weight:600}
.recent-chats{display:flex;flex-direction:column;gap:2px}
.chat-list-item{
  display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:var(--radius-sm);
  color:var(--text-secondary);font-size:13px;transition:all .2s;
}
.chat-list-item:hover,.chat-list-item.active{background:var(--bg-hover);color:var(--text-primary)}
.chat-list-item.active{color:var(--accent)}
.chat-avatar{
  width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-weight:600;font-size:13px;color:#fff;flex-shrink:0;
}

.main-content{flex:1;overflow-y:auto;padding:32px 40px}
.content-header{margin-bottom:32px}
.content-header h2{font-size:28px;font-weight:700}
.content-header p{color:var(--text-secondary);font-size:14px;margin-top:4px}

.character-grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px;
}
.character-card{
  background:var(--bg-card);border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--border);transition:all .3s;cursor:pointer;position:relative;
}
.character-card:hover{
  transform:translateY(-4px);border-color:var(--accent);box-shadow:0 8px 32px rgba(108,99,255,0.15);
}
.character-card-header{
  height:100px;display:flex;align-items:center;justify-content:center;position:relative;
}
.character-card-avatar{
  width:72px;height:72px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-size:28px;font-weight:700;color:#fff;border:3px solid rgba(255,255,255,0.3);
  box-shadow:0 4px 16px rgba(0,0,0,0.3);
}
.character-card-body{padding:16px 20px 20px}
.character-card-body h3{font-size:16px;font-weight:600;margin-bottom:2px}
.character-card-body .card-title{font-size:12px;color:var(--text-muted);margin-bottom:8px}
.character-card-body .card-desc{font-size:13px;color:var(--text-secondary);line-height:1.5;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.character-card-footer{padding:0 20px 16px;display:flex;gap:8px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8px 16px;
  border-radius:var(--radius-sm);font-size:13px;font-weight:500;border:none;cursor:pointer;
  transition:all .2s;font-family:inherit;
}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-hover);box-shadow:0 4px 16px var(--accent-glow)}
.btn-secondary{background:var(--bg-input);color:var(--text-primary);border:1px solid var(--border)}
.btn-secondary:hover{background:var(--bg-hover);border-color:var(--text-muted)}
.btn-lg{padding:12px 24px;font-size:15px;width:100%}
.btn:disabled{opacity:.5;cursor:not-allowed}

/* Chat layout */
.chat-main{flex:1;display:flex;flex-direction:column;overflow:hidden}
.chat-toolbar{
  display:flex;align-items:center;gap:4px;padding:8px 16px;
  background:var(--bg-secondary);border-bottom:1px solid var(--border);flex-shrink:0;
}
.toolbar-btn{
  width:36px;height:36px;border-radius:var(--radius-sm);border:none;
  background:transparent;color:var(--text-secondary);cursor:pointer;
  display:flex;align-items:center;justify-content:center;transition:all .2s;
}
.toolbar-btn:hover{background:var(--bg-hover);color:var(--text-primary)}
.chat-layout{display:flex;height:100%;flex:1}
.chat-character-panel{
  width:300px;flex-shrink:0;background:var(--bg-secondary);
  border-right:1px solid var(--border);overflow-y:auto;padding:32px 24px;
  transition:margin-left .3s ease,opacity .3s ease;
}
.chat-character-panel.closed{margin-left:-300px;opacity:0;overflow:hidden;padding:32px 24px;pointer-events:none}
.sidebar.closed{margin-left:-280px;opacity:0;overflow:hidden;pointer-events:none;transition:margin-left .3s ease,opacity .3s ease}
.character-profile{text-align:center}
.character-avatar-large{
  width:96px;height:96px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-size:36px;font-weight:700;color:#fff;margin:0 auto 16px;
  box-shadow:0 4px 24px rgba(0,0,0,0.4);
}
.character-profile h2{font-size:22px;font-weight:700}
.character-title{color:var(--text-muted);font-size:13px;margin:4px 0 16px}
.character-description{font-size:13px;color:var(--text-secondary);line-height:1.6;margin-bottom:20px}
.character-personality{text-align:left;background:var(--bg-card);border-radius:var(--radius);padding:16px}
.character-personality h4{font-size:11px;text-transform:uppercase;letter-spacing:1px;color:var(--text-muted);margin-bottom:6px}
.character-personality p{font-size:13px;color:var(--text-secondary);line-height:1.5}

.chat-area{flex:1;display:flex;flex-direction:column;overflow:hidden}
.chat-messages{flex:1;overflow-y:auto;padding:24px 32px;display:flex;flex-direction:column;gap:16px}
.message{display:flex;gap:12px;max-width:75%;animation:fadeIn .3s ease}
.message.user-message{flex-direction:row-reverse;align-self:flex-end}
.message.character-message{align-self:flex-start}
.message-avatar{
  width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-weight:600;font-size:14px;color:#fff;flex-shrink:0;
}
.message-avatar.flash-fallback{animation:flashFallback 1.2s ease-in-out 3}
.text-italic-gray{font-style:italic;color:var(--text-muted)}
.text-paren-gray{color:var(--text-muted)}
@keyframes flashFallback{
  0%,100%{box-shadow:0 0 0 0 transparent}
  50%{box-shadow:0 0 16px 4px rgba(255,71,87,0.6);background:#ff4757}
}
.message-bubble{
  padding:12px 18px;border-radius:var(--radius-lg);font-size:var(--chat-font-size);line-height:1.6;
  position:relative;
}
.source-badge{
  display:inline-block;font-size:10px;font-weight:600;padding:1px 5px;border-radius:4px;
  margin-left:8px;vertical-align:middle;letter-spacing:0.3px;
}
.source-badge.deepseek{background:rgba(108,99,255,0.2);color:#8b83ff;border:1px solid rgba(108,99,255,0.3)}
.source-badge.ollama{background:rgba(46,213,115,0.2);color:#2ed573;border:1px solid rgba(46,213,115,0.3)}
.source-badge.fallback{background:rgba(110,110,138,0.2);color:var(--text-muted);border:1px solid var(--border)}
.user-message .message-bubble{
  background:var(--accent);color:#fff;border-bottom-right-radius:4px;
}
.character-message .message-bubble{
  background:var(--bg-card);color:var(--text-primary);border:1px solid var(--border);border-bottom-left-radius:4px;
}

.chat-input-area{
  padding:16px 32px 24px;background:var(--bg-primary);border-top:1px solid var(--border);
}
#chatForm{max-width:800px;margin:0 auto}
.input-wrapper{
  display:flex;align-items:flex-end;gap:12px;background:var(--bg-input);
  border:1px solid var(--border);border-radius:var(--radius-lg);padding:8px 8px 8px 16px;
  transition:border-color .2s;
}
.input-wrapper:focus-within{border-color:var(--accent)}
.input-wrapper textarea{
  flex:1;background:transparent;border:none;color:var(--text-primary);font-size:14px;
  font-family:inherit;resize:none;outline:none;line-height:1.5;max-height:120px;padding:4px 0;
}
.input-wrapper textarea::placeholder{color:var(--text-muted)}
.input-wrapper button{
  width:40px;height:40px;border-radius:50%;border:none;background:var(--accent);color:#fff;
  cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s;flex-shrink:0;
}
.input-wrapper button:hover:not(:disabled){background:var(--accent-hover)}
.input-wrapper button:disabled{background:var(--border);color:var(--text-muted);cursor:not-allowed}

@keyframes fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}

.typing-indicator{
  display:flex;align-items:center;gap:4px;padding:8px 0;align-self:flex-start;margin-left:48px;
}
.typing-indicator span{
  width:8px;height:8px;border-radius:50%;background:var(--text-muted);
  animation:typing 1.4s infinite ease-in-out;
}
.typing-indicator span:nth-child(2){animation-delay:.2s}
.typing-indicator span:nth-child(3){animation-delay:.4s}
@keyframes typing{0%,60%,100%{transform:translateY(0)}30%{transform:translateY(-8px)}}

.loading-spinner{
  width:24px;height:24px;border:3px solid var(--border);border-top-color:var(--accent);
  border-radius:50%;animation:spin .8s linear infinite;margin:24px auto;
}
@keyframes spin{to{transform:rotate(360deg)}}

/* Create page */
.create-page{max-width:640px;margin:0 auto}
.create-form{display:flex;flex-direction:column;gap:20px}
.form-group{display:flex;flex-direction:column;gap:6px}
.form-group label{font-size:13px;font-weight:500;color:var(--text-secondary)}
.form-group input,.form-group textarea{
  background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);
  padding:10px 14px;color:var(--text-primary);font-size:14px;font-family:inherit;
  transition:border-color .2s;outline:none;
}
.form-group input:focus,.form-group textarea:focus{border-color:var(--accent)}
.color-picker-row{display:flex;align-items:center;gap:12px}
.color-picker-row input[type=color]{width:48px;height:48px;border-radius:var(--radius-sm);border:1px solid var(--border);cursor:pointer;padding:2px;background:var(--bg-input)}
.color-hex{font-size:13px;color:var(--text-muted);font-family:monospace}

.radio-card:hover{border-color:var(--accent) !important}
.form-select{
  background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);
  padding:10px 14px;color:var(--text-primary);font-size:14px;font-family:inherit;
  transition:border-color .2s;outline:none;width:100%;cursor:pointer;
  -webkit-appearance:none;appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%239898b8' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 12px center;padding-right:32px;
}
.form-select:focus{border-color:var(--accent)}
.form-select option{background:var(--bg-secondary);color:var(--text-primary)}
.form-hint{font-size:12px;color:var(--text-muted);margin-top:2px}
.success-message{padding:12px 16px;background:rgba(46,213,115,0.15);border:1px solid var(--success);border-radius:var(--radius-sm);color:var(--success);font-size:14px;margin-bottom:16px}
.error-message{padding:12px 16px;background:rgba(255,71,87,0.15);border:1px solid var(--danger);border-radius:var(--radius-sm);color:var(--danger);font-size:14px;margin-bottom:16px}

.avatar-img{object-fit:cover;border-radius:inherit}
.chat-avatar.avatar-img{width:32px;height:32px}
.character-card-avatar.avatar-img{width:72px;height:72px;border:3px solid rgba(255,255,255,0.3);box-shadow:0 4px 16px rgba(0,0,0,0.3)}
.character-avatar-large.avatar-img{width:96px;height:96px;box-shadow:0 4px 24px rgba(0,0,0,0.4)}
.message-avatar.avatar-img{width:36px;height:36px;flex-shrink:0}

.file-input-wrapper{display:flex;align-items:center;gap:12px}
.file-input-wrapper input[type=file]{display:none}
.file-input-label{
  display:inline-flex;align-items:center;gap:8px;padding:10px 16px;
  background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);
  color:var(--text-secondary);font-size:13px;cursor:pointer;transition:all .2s;
}
.file-input-label:hover{background:var(--bg-hover);border-color:var(--accent);color:var(--text-primary)}
.file-name{font-size:13px;color:var(--text-muted)}

/* Modal */
.modal-overlay{
  display:none;position:fixed;inset:0;background:rgba(0,0,0,0.7);z-index:100;
  align-items:center;justify-content:center;backdrop-filter:blur(4px);
}
.modal-overlay.active{display:flex}
.modal-content{
  background:var(--bg-secondary);border-radius:var(--radius-lg);width:90%;max-width:480px;
  max-height:80vh;overflow-y:auto;border:1px solid var(--border);position:relative;
}
.modal-close{
  position:absolute;top:12px;right:12px;background:var(--bg-card);border:none;
  width:32px;height:32px;border-radius:50%;color:var(--text-secondary);font-size:20px;
  cursor:pointer;display:flex;align-items:center;justify-content:center;z-index:1;
}
.modal-close:hover{background:var(--bg-hover);color:var(--text-primary)}

.avatar-clickable{cursor:pointer}
#photoModal{align-items:center}
#photoModal .modal-content{
  background:transparent;border:none;text-align:center;
  max-width:98vw;width:auto;padding:0;position:relative;display:inline-block;
}
#photoModal .modal-content img{
  width:auto;height:auto;max-width:98vw;max-height:98vh;border-radius:var(--radius-lg);
  box-shadow:0 8px 40px rgba(0,0,0,0.6);display:block;
}
#photoModal .modal-close{
  position:fixed;top:20px;right:20px;width:40px;height:40px;font-size:28px;
  background:rgba(0,0,0,0.5);color:#fff;border:2px solid rgba(255,255,255,0.2);
}

/* Scrollbar */
::-webkit-scrollbar{width:6px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}
::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}

@media(max-width:768px){
  .sidebar{display:none}
  .main-content{padding:20px 16px}
  .character-grid{grid-template-columns:1fr}
  .chat-layout{flex-direction:column}
  .chat-character-panel{width:100%;padding:20px 16px;max-height:200px;border-right:none;border-bottom:1px solid var(--border)}
  .chat-messages{padding:16px;gap:12px}
  .message{max-width:90%}
  .chat-input-area{padding:12px 16px}
}

.settings-section{margin-bottom:24px}
.settings-section-title{font-size:13px;font-weight:600;color:var(--text-secondary);margin-bottom:12px;padding-bottom:8px;border-bottom:1px solid var(--border)}
.slider-row{display:flex;align-items:center;gap:12px}
.slider-label{font-size:11px;color:var(--text-muted);min-width:32px;text-align:center}
.slider-row input[type=range]{
  -webkit-appearance:none;appearance:none;flex:1;height:6px;border-radius:3px;
  background:var(--border);outline:none;cursor:pointer;
}
.slider-row input[type=range]::-webkit-slider-thumb{
  -webkit-appearance:none;appearance:none;width:18px;height:18px;border-radius:50%;
  background:var(--accent);border:2px solid var(--bg-secondary);cursor:pointer;
  box-shadow:0 2px 8px rgba(108,99,255,0.4);
}
.slider-row input[type=range]::-moz-range-thumb{
  width:18px;height:18px;border-radius:50%;background:var(--accent);
  border:2px solid var(--bg-secondary);cursor:pointer;
}

.ui-slider.custom-slider{background:var(--border);border:none;border-radius:3px;height:6px;margin:6px 0}
.ui-slider.custom-slider .ui-slider-range{background:var(--accent);border-radius:3px}
.ui-slider.custom-slider .ui-slider-handle{
  width:18px;height:18px;border-radius:50%;background:var(--accent);
  border:2px solid var(--bg-secondary);cursor:pointer;
  box-shadow:0 2px 8px rgba(108,99,255,0.4);
  outline:none;margin-left:-9px;top:-6px;
}
.ui-slider.custom-slider .ui-slider-handle:hover,
.ui-slider.custom-slider .ui-slider-handle:active{
  background:var(--accent-hover);
  box-shadow:0 2px 12px rgba(108,99,255,0.6);
}
.ui-slider.custom-slider .ui-slider-handle.ui-state-focus{
  background:var(--accent-hover);
  box-shadow:0 0 0 3px rgba(108,99,255,0.3);
}