@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;1,9..40,400&family=DM+Serif+Display:ital@0;1&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --bg:     #2d2d2d;
  --bg2:    #353535;
  --bg3:    #3b3b3b;
  --bg4:    #424242;
  --bg5:    #4a4a4a;
  --border: #4e4e4e;
  --bord2:  #5a5a5a;
  --text:   #eeeeee;
  --text2:  #a0a0a0;
  --text3:  #686868;
  --accent: #c8a96e;
  --blue:   #7eb8d4;
  --green:  #5cb870;
  --red:    #e07070;
  --r:10px; --rl:16px; --rxl:22px;
  --t:.17s ease;
  --sw:272px; --swc:58px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;height:100%}
body{font-family:'DM Sans',sans-serif;background:var(--bg);color:var(--text);height:100%;overflow:hidden;-webkit-font-smoothing:antialiased}
::-webkit-scrollbar{width:3px;height:3px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}
::-webkit-scrollbar-thumb:hover{background:var(--bord2)}
.hidden{display:none!important}
a{text-decoration:none;color:inherit}

/* ═══════════════════════════════
   SHELL
═══════════════════════════════ */
.shell{display:flex;height:100vh;width:100vw;overflow:hidden}

/* ═══════════════════════════════
   SIDEBAR
═══════════════════════════════ */
.sidebar{
  width:var(--sw);background:var(--bg2);border-right:1px solid var(--border);
  display:flex;flex-direction:column;height:100vh;flex-shrink:0;
  transition:width .22s ease,transform var(--t);z-index:100;overflow:hidden;
  position:relative;
}
.sidebar.collapsed{width:var(--swc)}
.sidebar.collapsed .nav-txt,
.sidebar.collapsed #sidebarLogoTxt,
.sidebar.collapsed .sidebar-section-lbl,
.sidebar.collapsed .sidebar-recents,
.sidebar.collapsed .user-info{display:none}
.sidebar.collapsed .sidebar-header{justify-content:center;padding:18px 0 14px}
.sidebar.collapsed .nav-item{justify-content:center;padding:10px 0}
.sidebar.collapsed .user-row{justify-content:center;padding:10px 0}
.sidebar.collapsed .sidebar-footer{padding:12px 4px}
.sidebar.collapsed .sidebar-nav{padding:8px 4px 0}

.sidebar-tooltip{
  position:absolute;left:calc(var(--swc) + 8px);
  background:var(--bg5);color:var(--text);font-size:.8rem;
  padding:5px 10px;border-radius:var(--r);white-space:nowrap;
  border:1px solid var(--bord2);z-index:300;pointer-events:none;
  box-shadow:0 4px 12px rgba(0,0,0,.4);
}
.sidebar-header{display:flex;align-items:center;justify-content:space-between;padding:18px 14px 14px;flex-shrink:0}
.sidebar-logo{font-family:'DM Serif Display',serif;font-size:1.28rem;color:var(--text);letter-spacing:-.02em}
.sidebar-nav{padding:8px 8px 0;display:flex;flex-direction:column;gap:2px}
.nav-item{
  display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:var(--r);
  color:var(--text2);cursor:pointer;font-size:.88rem;border:none;background:transparent;
  width:100%;text-align:left;text-decoration:none;transition:all var(--t);position:relative;
}
.nav-item:hover,.nav-item.active{background:var(--bg4);color:var(--text)}
.nav-icon{flex-shrink:0;width:16px;height:16px}
.nav-txt{white-space:nowrap;overflow:hidden}

.sidebar-section-lbl{padding:14px 12px 5px;font-size:.7rem;color:var(--text3);font-weight:600;text-transform:uppercase;letter-spacing:.08em}
.sidebar-recents{flex:1;overflow-y:auto;padding:0 8px;min-height:0}
.recent-item{
  display:flex;align-items:center;gap:8px;padding:7px 12px;
  border-radius:var(--r);cursor:pointer;transition:background var(--t);
}
.recent-item:hover{background:var(--bg4)}
.recent-item-txt{font-size:.83rem;color:var(--text2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1;transition:color var(--t)}
.recent-item:hover .recent-item-txt{color:var(--text)}

.sidebar-footer{padding:12px 8px;border-top:1px solid var(--border);flex-shrink:0}
.user-row{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:var(--r);cursor:pointer;transition:background var(--t);text-decoration:none}
.user-row:hover{background:var(--bg4)}
.avatar{width:36px;height:36px;border-radius:50%;background:var(--bg3);border:1.5px solid var(--border);display:flex;align-items:center;justify-content:center;font-size:.84rem;font-weight:600;color:var(--text);flex-shrink:0;overflow:hidden}
.avatar img{width:100%;height:100%;object-fit:cover}
.user-info{flex:1;overflow:hidden;min-width:0}
.user-name{font-size:.86rem;font-weight:500;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.plan-badge{display:inline-flex;align-items:center;font-size:.66rem;padding:2px 7px;border-radius:20px;font-weight:600;text-transform:capitalize;margin-top:2px}
.plan-free{background:rgba(110,110,110,.18);color:#888}
.plan-pro{background:rgba(200,169,110,.15);color:var(--accent)}
.plan-ultra{background:rgba(126,184,212,.15);color:var(--blue)}

/* Sidebar backdrop (mobile) */
.sidebar-backdrop{display:none;position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:99}
.mobile-header{display:none;align-items:center;justify-content:space-between;padding:13px 16px;border-bottom:1px solid var(--border);flex-shrink:0}
.mobile-menu-btn{background:transparent;border:none;color:var(--text2);cursor:pointer;padding:5px;display:flex;align-items:center;border-radius:var(--r)}
.mobile-menu-btn:hover{background:var(--bg4)}

/* ═══════════════════════════════
   MAIN CONTENT
═══════════════════════════════ */
.main{flex:1;display:flex;flex-direction:column;height:100vh;overflow:hidden;min-width:0;position:relative}

/* ═══════════════════════════════
   HOME / WELCOME
═══════════════════════════════ */
.welcome-wrap{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px}
.welcome-title{font-family:'DM Serif Display',serif;font-size:1.9rem;color:var(--text);margin-bottom:28px;text-align:center;letter-spacing:-.02em}
.welcome-title em{font-style:italic;color:var(--text2)}
.input-wrap{width:100%;max-width:680px}

/* ═══════════════════════════════
   INPUT BOX (compact, like reference)
═══════════════════════════════ */
.input-box{background:var(--bg3);border:1px solid var(--border);border-radius:var(--rl);padding:14px 14px 10px;transition:border-color var(--t)}
.input-box:focus-within{border-color:var(--bord2)}
.chat-ta{width:100%;background:transparent;border:none;outline:none;color:var(--text);font-family:'DM Sans',sans-serif;font-size:.93rem;resize:none;min-height:40px;max-height:160px;line-height:1.55;overflow-y:auto}
.chat-ta::placeholder{color:var(--text3)}
.input-bar{display:flex;align-items:center;justify-content:space-between;margin-top:8px;gap:6px}
.input-bar-left{display:flex;align-items:center;gap:2px}
.btn-icon{background:transparent;border:none;color:var(--text2);width:32px;height:32px;border-radius:var(--r);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all var(--t);flex-shrink:0}
.btn-icon:hover{background:var(--bg5);color:var(--text)}

/* ═══════════════════════════════
   MODEL SELECTOR
═══════════════════════════════ */
.model-selector-wrap{position:relative}
.model-trigger{
  display:flex;align-items:center;gap:5px;background:transparent;border:none;
  color:var(--text2);font-family:'DM Sans',sans-serif;font-size:.8rem;
  cursor:pointer;padding:5px 8px;border-radius:var(--r);transition:all var(--t);outline:none;
}
.model-trigger:hover{background:var(--bg5);color:var(--text)}
.mtbadge{font-size:.6rem;font-weight:700;padding:1px 5px;border-radius:10px}
.badge-free{background:rgba(110,110,110,.25);color:#aaa}
.badge-pro{background:rgba(200,169,110,.2);color:var(--accent)}
.badge-ultra{background:rgba(126,184,212,.2);color:var(--blue)}

.model-dropdown{
  position:absolute;background:var(--bg2);border:1px solid var(--border);
  border-radius:var(--rl);box-shadow:0 8px 32px rgba(0,0,0,.55);
  width:250px;overflow:hidden;z-index:500;display:none;
}
.model-dropdown.open{display:block}
.model-dropdown-hdr{padding:9px 13px 7px;font-size:.69rem;color:var(--text3);font-weight:600;text-transform:uppercase;letter-spacing:.08em;border-bottom:1px solid var(--border)}
.model-opt{display:flex;align-items:flex-start;gap:9px;padding:10px 13px;transition:background var(--t);border-bottom:1px solid rgba(255,255,255,.04)}
.model-opt:last-child{border-bottom:none}
.model-opt:hover{background:var(--bg4)}
.model-opt.selected{background:var(--bg3)}
.model-opt-icon{width:28px;height:28px;border-radius:7px;display:flex;align-items:center;justify-content:center;font-size:.72rem;font-weight:700;flex-shrink:0;margin-top:1px}
.moi-free{background:rgba(110,110,110,.22);color:#aaa}
.moi-pro{background:rgba(200,169,110,.18);color:var(--accent)}
.moi-ultra{background:rgba(126,184,212,.18);color:var(--blue)}
.model-opt-info{flex:1;min-width:0}
.model-opt-name{font-size:.85rem;font-weight:500;color:var(--text);margin-bottom:2px}
.model-opt-desc{font-size:.73rem;color:var(--text2);line-height:1.35}
.model-opt-badge{font-size:.6rem;font-weight:700;padding:1px 6px;border-radius:10px;display:inline-block;margin-top:3px}

.send-btn{width:30px;height:30px;border-radius:50%;background:var(--text);border:none;color:var(--bg);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all var(--t);flex-shrink:0}
.send-btn:hover{background:#ddd;transform:scale(1.06)}
.send-btn:disabled{opacity:.35;cursor:not-allowed;transform:none}

/* Upload preview */
.upload-preview{display:flex;gap:6px;flex-wrap:wrap;padding:0 0 8px}
.upload-item{position:relative;display:inline-flex}
.upload-item img{width:52px;height:52px;object-fit:cover;border-radius:6px;border:1px solid var(--border)}
.remove-upload{position:absolute;top:-5px;right:-5px;width:15px;height:15px;background:var(--red);border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:9px;color:#fff;border:none}
.file-chip{display:flex;align-items:center;gap:4px;background:var(--bg4);border:1px solid var(--border);border-radius:6px;padding:4px 8px;font-size:.76rem;color:var(--text2);cursor:pointer;transition:background var(--t)}
.file-chip:hover{background:var(--bg5)}

/* Quick prompts */
.quick-prompts{display:flex;gap:6px;margin-top:12px;flex-wrap:wrap;justify-content:center}
.qp-btn{background:var(--bg3);border:1px solid var(--border);border-radius:var(--r);padding:6px 12px;font-family:'DM Sans',sans-serif;font-size:.79rem;color:var(--text2);cursor:pointer;transition:all var(--t)}
.qp-btn:hover{background:var(--bg4);color:var(--text);border-color:var(--bord2)}

/* ═══════════════════════════════
   CHAT PAGE
═══════════════════════════════ */
.chat-header{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;border-bottom:1px solid var(--border);flex-shrink:0;gap:10px}
.chat-title-txt{font-size:.88rem;color:var(--text2);font-weight:400;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1}

/* Messages area */
.messages{flex:1;overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:0}

/* Message bubble — like reference design */
.msg-group{display:flex;flex-direction:column;margin-bottom:20px}
.msg-header{display:flex;align-items:center;gap:10px;margin-bottom:6px}
.msg-avatar{width:28px;height:28px;border-radius:50%;background:var(--bg3);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;font-size:.7rem;font-weight:600;flex-shrink:0;overflow:hidden}
.msg-avatar img{width:100%;height:100%;object-fit:cover}
.msg-role{font-size:.78rem;font-weight:600;color:var(--text2);text-transform:uppercase;letter-spacing:.06em}

/* User message — right aligned bubble */
.msg-user{align-items:flex-end}
.msg-user .msg-header{flex-direction:row-reverse;justify-content:flex-start}
.msg-user .msg-bubble{
  background:var(--bg3);border:1px solid var(--border);
  border-radius:var(--rl) var(--rl) 4px var(--rl);
  padding:10px 14px;max-width:72%;word-wrap:break-word;
  font-size:.9rem;line-height:1.6;color:var(--text);
  align-self:flex-end;
}

/* AI message — left, no bubble bg */
.msg-ai .msg-bubble{
  background:transparent;padding:2px 0;max-width:100%;
  font-size:.9rem;line-height:1.7;color:var(--text);word-wrap:break-word;
}

.msg-bubble p{margin:0 0 8px}
.msg-bubble p:last-child{margin:0}
.msg-bubble strong{color:var(--text);font-weight:600}
.msg-bubble em{font-style:italic;color:var(--text2)}
.msg-bubble h2{font-family:'DM Serif Display',serif;font-size:1.05rem;font-weight:400;margin:14px 0 6px;color:var(--text)}
.msg-bubble h3{font-size:.95rem;font-weight:600;margin:12px 0 5px;color:var(--text)}
.msg-bubble h4{font-size:.9rem;font-weight:600;margin:10px 0 4px;color:var(--text)}
.msg-bubble ul,.msg-bubble ol{padding-left:18px;margin:6px 0}
.msg-bubble li{margin:3px 0;font-size:.9rem}
.msg-bubble code{background:#1e1e1e;color:#ce9178;padding:2px 6px;border-radius:4px;font-size:.82em;font-family:'JetBrains Mono',monospace;border:1px solid #333}

.msg-actions{display:flex;gap:2px;margin-top:6px;opacity:0;transition:opacity var(--t)}
.msg-group:hover .msg-actions{opacity:1}

/* Typing */
.typing-dots{display:flex;gap:4px;align-items:center;padding:4px 0}
.typing-dot{width:6px;height:6px;background:var(--text3);border-radius:50%;animation:bounce 1.3s infinite}
.typing-dot:nth-child(2){animation-delay:.2s}
.typing-dot:nth-child(3){animation-delay:.4s}
@keyframes bounce{0%,60%,100%{transform:translateY(0);opacity:.4}30%{transform:translateY(-5px);opacity:1}}
@keyframes fadeUp{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}
.msg-group{animation:fadeUp .22s ease}

/* Limit banner */
.limit-banner{background:rgba(200,169,110,.08);border:1px solid rgba(200,169,110,.22);border-radius:var(--r);padding:8px 14px;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:.81rem;color:var(--accent);margin:0 20px;flex-shrink:0}
.limit-banner strong{cursor:pointer;text-decoration:underline}

/* Input area — compact */
.chat-input-area{padding:10px 20px 18px;flex-shrink:0}

/* ═══════════════════════════════
   FILE PREVIEW PANEL (right side)
═══════════════════════════════ */
.file-panel{
  width:0;overflow:hidden;background:var(--bg2);border-left:1px solid var(--border);
  display:flex;flex-direction:column;height:100vh;flex-shrink:0;
  transition:width .25s ease;
}
.file-panel.open{width:380px}
.file-panel-header{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--border);flex-shrink:0}
.file-panel-title{font-size:.9rem;font-weight:500;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.file-panel-body{flex:1;overflow:auto;padding:0}
.file-panel pre{margin:0;padding:16px;font-family:'JetBrains Mono',monospace;font-size:.8rem;line-height:1.65;color:#d4d4d4;white-space:pre;min-height:100%}

/* ═══════════════════════════════
   CODE BLOCKS
═══════════════════════════════ */
.code-block{background:#1a1a1a;border:1px solid #333;border-radius:10px;margin:10px 0;overflow:hidden}
.code-block-header{display:flex;align-items:center;justify-content:space-between;padding:7px 13px;background:#222;border-bottom:1px solid #333}
.code-lang{font-size:.69rem;color:#666;font-weight:600;text-transform:uppercase;letter-spacing:.08em}
.code-copy-btn{display:flex;align-items:center;gap:4px;background:transparent;border:1px solid #444;border-radius:5px;color:#888;font-size:.7rem;padding:2px 8px;cursor:pointer;font-family:'DM Sans',sans-serif;transition:all .15s}
.code-copy-btn:hover{background:#2a2a2a;color:#ccc;border-color:#555}
.code-copy-btn.copy-ok{color:var(--green)!important;border-color:#2d5c36!important}
.code-open-btn{display:flex;align-items:center;gap:4px;background:transparent;border:1px solid #444;border-radius:5px;color:#888;font-size:.7rem;padding:2px 8px;cursor:pointer;font-family:'DM Sans',sans-serif;transition:all .15s;margin-left:4px}
.code-open-btn:hover{background:#2a2a2a;color:#ccc}
.code-body{padding:14px 16px;overflow-x:auto;font-size:.8rem;line-height:1.65;color:#d4d4d4}
.code-body pre{margin:0;white-space:pre;font-family:'JetBrains Mono',monospace}
.tok-kw{color:#569cd6;font-weight:500}
.tok-str{color:#ce9178}
.tok-num{color:#b5cea8}
.tok-cmt{color:#6a9955;font-style:italic}
.tok-fn{color:#dcdcaa}
.tok-cls{color:#4ec9b0}
.tok-var{color:#9cdcfe}

/* ═══════════════════════════════
   SEARCH OVERLAY
═══════════════════════════════ */
.search-overlay{
  position:fixed;inset:0;background:rgba(0,0,0,.7);backdrop-filter:blur(4px);
  z-index:400;display:flex;align-items:flex-start;justify-content:center;padding:80px 20px 20px;
  opacity:0;pointer-events:none;transition:opacity var(--t);
}
.search-overlay.open{opacity:1;pointer-events:all}
.search-modal{
  background:var(--bg2);border:1px solid var(--border);border-radius:var(--rxl);
  width:100%;max-width:560px;box-shadow:0 12px 48px rgba(0,0,0,.6);
  transform:translateY(-12px);transition:transform var(--t);overflow:hidden;
}
.search-overlay.open .search-modal{transform:translateY(0)}
.search-input-wrap{display:flex;align-items:center;gap:10px;padding:14px 18px;border-bottom:1px solid var(--border)}
.search-input{flex:1;background:transparent;border:none;outline:none;color:var(--text);font-family:'DM Sans',sans-serif;font-size:1rem}
.search-input::placeholder{color:var(--text3)}
.search-results{max-height:360px;overflow-y:auto}
.search-result-item{display:flex;align-items:center;gap:12px;padding:12px 18px;cursor:pointer;transition:background var(--t);border-bottom:1px solid rgba(255,255,255,.04)}
.search-result-item:last-child{border-bottom:none}
.search-result-item:hover{background:var(--bg3)}
.search-result-icon{width:32px;height:32px;background:var(--bg4);border-radius:8px;display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--text2)}
.search-result-title{font-size:.88rem;font-weight:500;color:var(--text);margin-bottom:2px}
.search-result-preview{font-size:.76rem;color:var(--text2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.search-result-date{font-size:.72rem;color:var(--text3);flex-shrink:0}
.search-empty{padding:32px;text-align:center;color:var(--text3);font-size:.88rem}

/* ═══════════════════════════════
   PROFILE / SETTINGS PAGE
═══════════════════════════════ */
.settings-shell{display:flex;height:100vh;width:100%}
.settings-nav{width:200px;background:var(--bg2);border-right:1px solid var(--border);display:flex;flex-direction:column;padding:20px 10px;gap:3px;flex-shrink:0}
.settings-nav-item{display:flex;align-items:center;gap:9px;padding:9px 12px;border-radius:var(--r);color:var(--text2);cursor:pointer;font-size:.87rem;transition:all var(--t);border:none;background:transparent;width:100%;text-align:left}
.settings-nav-item:hover,.settings-nav-item.active{background:var(--bg4);color:var(--text)}
.settings-content{flex:1;overflow-y:auto;padding:28px}
.settings-section{display:none}
.settings-section.active{display:block}
.settings-section h2{font-family:'DM Serif Display',serif;font-size:1.5rem;font-weight:400;margin-bottom:4px}
.settings-section > p{font-size:.83rem;color:var(--text2);margin-bottom:24px}
.settings-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--rl);padding:22px;margin-bottom:16px}
.settings-row{display:flex;align-items:center;justify-content:space-between;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.06)}
.settings-row:last-child{border-bottom:none;padding-bottom:0}
.settings-row-label{font-size:.88rem;font-weight:500;color:var(--text)}
.settings-row-desc{font-size:.78rem;color:var(--text2);margin-top:2px}
.toggle{position:relative;width:38px;height:21px;flex-shrink:0}
.toggle input{opacity:0;width:0;height:0;position:absolute}
.toggle-track{position:absolute;inset:0;background:var(--bg5);border-radius:21px;cursor:pointer;transition:.2s}
.toggle input:checked + .toggle-track{background:var(--green)}
.toggle-thumb{position:absolute;top:3px;left:3px;width:15px;height:15px;background:#fff;border-radius:50%;transition:transform .2s;pointer-events:none}
.toggle input:checked ~ .toggle-thumb{transform:translateX(17px)}

/* Page header for other pages */
.page-hdr{padding:22px 22px 16px;border-bottom:1px solid var(--border);flex-shrink:0}
.page-hdr h1{font-family:'DM Serif Display',serif;font-size:1.5rem;font-weight:400;margin-bottom:3px}
.page-hdr p{font-size:.82rem;color:var(--text2)}
.page-body{flex:1;overflow-y:auto;padding:18px 22px}

/* Recents page */
.recent-row{display:flex;align-items:center;gap:12px;padding:12px 14px;background:var(--bg2);border:1px solid var(--border);border-radius:var(--r);cursor:pointer;transition:all var(--t);margin-bottom:6px}
.recent-row:hover{border-color:var(--bord2);background:var(--bg3)}
.recent-icon{width:34px;height:34px;background:var(--bg3);border-radius:8px;display:flex;align-items:center;justify-content:center;color:var(--text2);flex-shrink:0}
.recent-info{flex:1;overflow:hidden}
.recent-title-txt{font-size:.88rem;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.recent-preview-txt{font-size:.76rem;color:var(--text2);margin-top:2px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.recent-date{font-size:.71rem;color:var(--text3);flex-shrink:0}

/* Projects */
.proj-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}
.proj-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--rl);padding:16px;cursor:pointer;transition:all var(--t)}
.proj-card:hover{border-color:var(--bord2);transform:translateY(-2px)}
.proj-icon{width:38px;height:38px;background:var(--bg3);border-radius:var(--r);display:flex;align-items:center;justify-content:center;font-size:1.1rem;margin-bottom:10px}
.proj-name{font-size:.88rem;font-weight:600;margin-bottom:3px}
.proj-desc{font-size:.78rem;color:var(--text2);line-height:1.5}
.proj-meta{display:flex;gap:10px;margin-top:11px;font-size:.73rem;color:var(--text3)}
.proj-new{border-style:dashed;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;min-height:130px}
.proj-new:hover{background:var(--bg3)}

/* Plans */
.plans-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;max-width:800px}
.plan-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--rxl);padding:22px;position:relative;transition:all var(--t)}
.plan-card:hover{transform:translateY(-3px);box-shadow:0 8px 32px rgba(0,0,0,.4)}
.plan-card.featured{border-color:var(--accent)}
.plan-card.featured::before{content:'Populer';position:absolute;top:-10px;left:50%;transform:translateX(-50%);background:var(--accent);color:var(--bg);font-size:.66rem;font-weight:700;padding:3px 12px;border-radius:20px;text-transform:uppercase;letter-spacing:.05em}
.plan-name{font-size:.74rem;font-weight:600;text-transform:uppercase;letter-spacing:.1em;color:var(--text2);margin-bottom:5px}
.plan-price{font-family:'DM Serif Display',serif;font-size:2.3rem;color:var(--text);line-height:1;margin-bottom:3px}
.plan-price span{font-family:'DM Sans',sans-serif;font-size:.86rem;color:var(--text2)}
.plan-desc{font-size:.8rem;color:var(--text2);margin-bottom:14px;padding-bottom:14px;border-bottom:1px solid var(--border)}
.plan-features{list-style:none;margin-bottom:18px;display:flex;flex-direction:column;gap:6px}
.plan-features li{display:flex;align-items:flex-start;gap:6px;font-size:.82rem;color:var(--text2)}
.plan-features li::before{content:'✓';color:var(--green);font-weight:700;flex-shrink:0}
.plan-features li.no{opacity:.4;text-decoration:line-through}
.plan-features li.no::before{content:'✗';color:var(--text3)}
.btn-plan{width:100%;padding:11px;border-radius:var(--r);border:none;font-family:'DM Sans',sans-serif;font-size:.87rem;font-weight:600;cursor:pointer;transition:all var(--t)}
.btn-free{background:var(--bg3);color:var(--text);border:1px solid var(--border)}.btn-free:hover{background:var(--bg4)}
.btn-pro{background:var(--accent);color:var(--bg)}.btn-pro:hover{opacity:.9}
.btn-ultra{background:var(--blue);color:var(--bg)}.btn-ultra:hover{opacity:.9}

/* Modal */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.6);backdrop-filter:blur(3px);display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px;opacity:0;pointer-events:none;transition:opacity var(--t)}
.modal-overlay.open{opacity:1;pointer-events:all}
.modal{background:var(--bg2);border:1px solid var(--border);border-radius:var(--rxl);padding:24px;width:100%;max-width:440px;box-shadow:0 8px 40px rgba(0,0,0,.5);transform:translateY(12px);transition:transform var(--t)}
.modal-overlay.open .modal{transform:translateY(0)}
.modal-hdr{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.modal-hdr h3{font-family:'DM Serif Display',serif;font-size:1.2rem;font-weight:400}

/* Auth */
.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;overflow:auto;background:var(--bg)}
.auth-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--rxl);padding:34px 30px;width:100%;max-width:420px;box-shadow:0 4px 24px rgba(0,0,0,.4)}
@media(max-width:460px){.auth-card{padding:22px 16px}}
.auth-logo{font-family:'DM Serif Display',serif;font-size:1.45rem;color:var(--text);display:block;text-align:center;margin-bottom:4px}
.auth-tagline{font-size:.8rem;color:var(--text2);text-align:center;margin-bottom:22px}
.field{margin-bottom:11px}
.field label{display:block;font-size:.69rem;font-weight:600;color:var(--text2);text-transform:uppercase;letter-spacing:.07em;margin-bottom:5px}
.inp,.input{width:100%;background:var(--bg4);border:1px solid var(--border);border-radius:var(--r);padding:10px 12px;color:var(--text);font-family:'DM Sans',sans-serif;font-size:.9rem;outline:none;transition:border-color var(--t);appearance:none}
.inp:focus,.input:focus{border-color:var(--bord2)}
.inp::placeholder,.input::placeholder{color:var(--text3)}
select.inp,select.input{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%23888' stroke-width='2' viewBox='0 0 24 24'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 11px center;padding-right:34px;cursor:pointer}
.input-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.phone-wrap{display:flex;gap:7px}
.country-sel{background:var(--bg4);border:1px solid var(--border);border-radius:var(--r);padding:10px 8px;color:var(--text);font-family:'DM Sans',sans-serif;font-size:.86rem;outline:none;cursor:pointer;flex-shrink:0;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='none' stroke='%23888' stroke-width='2' viewBox='0 0 24 24'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 6px center;padding-right:22px;min-width:86px}
.phone-inp{flex:1}
.btn{display:flex;align-items:center;justify-content:center;gap:7px;width:100%;padding:11px 16px;border-radius:var(--r);border:none;font-family:'DM Sans',sans-serif;font-size:.9rem;font-weight:500;cursor:pointer;transition:all var(--t);text-decoration:none}
.btn-primary,.btn-white{background:var(--text);color:var(--bg)}
.btn-primary:hover:not(:disabled),.btn-white:hover:not(:disabled){background:#ddd}
.btn-primary:disabled,.btn-white:disabled{opacity:.5;cursor:not-allowed}
.btn-secondary{background:var(--bg3);color:var(--text);border:1px solid var(--border)}
.btn-secondary:hover:not(:disabled){background:var(--bg4)}
.btn-google{background:var(--bg3);color:var(--text);border:1px solid var(--border);margin-bottom:12px}
.btn-google:hover:not(:disabled){background:var(--bg4)}
.btn-google:disabled{opacity:.5;cursor:not-allowed}
.btn-sm{padding:6px 12px;font-size:.8rem;width:auto}
.divider{display:flex;align-items:center;gap:10px;margin:12px 0;color:var(--text3);font-size:.76rem}
.divider::before,.divider::after{content:'';flex:1;height:1px;background:var(--border)}
.footer-txt,.auth-footer{text-align:center;margin-top:15px;font-size:.8rem;color:var(--text2)}
.link{color:var(--text);font-weight:500;cursor:pointer;text-decoration:none}
.link:hover{text-decoration:underline}
.err-box{background:rgba(224,112,112,.1);border:1px solid rgba(224,112,112,.32);border-radius:var(--r);padding:9px 12px;font-size:.81rem;color:#f09090;margin-bottom:11px;display:none}
.err-box.show{display:block}

/* Camera */
.cam-wrap{position:relative;background:#000;border-radius:var(--r);overflow:hidden;aspect-ratio:16/9}
.cam-wrap video{width:100%;height:100%;object-fit:cover}
.cam-ctrls{display:flex;justify-content:center;align-items:center;gap:16px;margin-top:12px}
.capture-btn{width:48px;height:48px;border-radius:50%;background:#fff;border:4px solid var(--bg3);cursor:pointer;transition:transform var(--t)}
.capture-btn:hover{transform:scale(1.06)}

/* Toast & Loading */
#toasts{position:fixed;bottom:18px;right:18px;z-index:9999;display:flex;flex-direction:column;gap:6px}
.toast{background:var(--bg3);border:1px solid var(--border);border-radius:var(--r);padding:9px 13px;font-size:.84rem;color:var(--text);max-width:290px;animation:slideIn .22s ease}
.toast.success,.toast.ok{border-left:3px solid var(--green)}
.toast.error,.toast.err{border-left:3px solid var(--red)}
.toast.info{border-left:3px solid var(--blue)}
@keyframes slideIn{from{transform:translateX(110%);opacity:0}to{transform:translateX(0);opacity:1}}
#loading{position:fixed;inset:0;background:rgba(0,0,0,.55);backdrop-filter:blur(3px);display:flex;align-items:center;justify-content:center;z-index:9999;opacity:0;pointer-events:none;transition:opacity var(--t)}
#loading.show{opacity:1;pointer-events:all}
.loading-box{background:var(--bg2);border:1px solid var(--border);border-radius:var(--rxl);padding:22px 30px;display:flex;flex-direction:column;align-items:center;gap:11px}
.loading-box span{font-family:'DM Serif Display',serif;font-size:1.2rem}
@keyframes spin{to{transform:rotate(360deg)}}
.spinner{width:18px;height:18px;border:2px solid var(--border);border-top-color:var(--text);border-radius:50%;animation:spin .7s linear infinite}
.spin{display:inline-block;width:13px;height:13px;border:2px solid rgba(0,0,0,.2);border-top-color:currentColor;border-radius:50%;animation:spin .65s linear infinite;flex-shrink:0}

/* Payment */
.pay-method{background:var(--bg3);border:1px solid var(--border);border-radius:var(--r);padding:4px 9px;font-size:.74rem;color:var(--text2)}

/* Profile avatar edit */
.avatar-edit{width:80px;height:80px;border-radius:50%;background:var(--bg4);border:2px solid var(--border);display:flex;align-items:center;justify-content:center;font-size:1.6rem;font-weight:600;cursor:pointer;overflow:hidden;position:relative;transition:border-color var(--t);background-size:cover;background-position:center;flex-shrink:0}
.avatar-edit:hover{border-color:var(--bord2)}
.avatar-edit:hover .edit-ov{opacity:1}
.edit-ov{position:absolute;inset:0;background:rgba(0,0,0,.42);display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity var(--t);font-size:.72rem;color:#fff}
.stat-box{background:var(--bg2);border:1px solid var(--border);border-radius:var(--r);padding:12px 16px;flex:1;text-align:center}
.stat-num{font-family:'DM Serif Display',serif;font-size:1.55rem;color:var(--text)}
.stat-lbl{font-size:.72rem;color:var(--text2);margin-top:2px}

/* ═══════════════════════════════
   RESPONSIVE
═══════════════════════════════ */
@media(max-width:900px){
  :root{--sw:230px}
  .plans-grid{grid-template-columns:repeat(2,1fr)}
  .file-panel.open{width:320px}
}
@media(max-width:768px){
  body{overflow:auto}
  .shell{height:100dvh}
  .main{height:100dvh;overflow:hidden}
  .sidebar{position:fixed;left:0;top:0;bottom:0;height:100%;transform:translateX(-100%);box-shadow:4px 0 24px rgba(0,0,0,.5);z-index:200}
  .sidebar.open{transform:translateX(0)}
  .sidebar.collapsed{width:var(--sw)!important}
  .sidebar-backdrop.show{display:block}
  .mobile-header{display:flex}
  .file-panel.open{position:fixed;right:0;top:0;bottom:0;width:100%;max-width:360px;z-index:150;box-shadow:-4px 0 24px rgba(0,0,0,.5)}
  .messages{padding:12px}
  .chat-header{padding:10px 14px}
  .chat-input-area{padding:8px 12px 14px}
  .welcome-title{font-size:1.5rem;margin-bottom:20px}
  .input-wrap{padding:0 2px}
  .quick-prompts{gap:5px}
  .qp-btn{font-size:.76rem;padding:5px 10px}
  .plans-grid{grid-template-columns:1fr}
  .proj-grid{grid-template-columns:repeat(2,1fr)}
  .page-hdr{padding:14px 14px 12px}
  .page-body{padding:14px}
  .settings-nav{width:160px;padding:16px 8px}
  .settings-content{padding:18px 14px}
  .input-row{grid-template-columns:1fr}
}
@media(max-width:480px){
  .msg-user .msg-bubble{max-width:88%}
  .proj-grid{grid-template-columns:1fr}
  .quick-prompts{display:grid;grid-template-columns:1fr 1fr}
  .phone-wrap{flex-direction:column}
  .country-sel{width:100%;min-width:0}
  .settings-shell{flex-direction:column}
  .settings-nav{width:100%;flex-direction:row;overflow-x:auto;padding:8px;gap:4px;height:auto;border-right:none;border-bottom:1px solid var(--border)}
  .settings-nav-item{white-space:nowrap;flex-shrink:0;padding:7px 12px}
  .model-dropdown{width:230px}
}
@media(min-width:1400px){
  .messages{padding:24px 36px}
  .msg-user .msg-bubble{max-width:60%}
  .msg-ai .msg-bubble{max-width:85%}
  .input-wrap{max-width:720px}
  .welcome-title{font-size:2.2rem}
}
@supports(height:100dvh){
  .shell,.sidebar,.main{height:100dvh}
}
@supports(padding-bottom:env(safe-area-inset-bottom)){
  .chat-input-area{padding-bottom:calc(14px + env(safe-area-inset-bottom))}
}

.recent-item{position:relative}
.recent-menu-btn{
  position:absolute;right:6px;top:50%;transform:translateY(-50%);
  background:transparent;border:none;color:var(--text3);
  width:24px;height:24px;border-radius:5px;
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;opacity:0;transition:opacity .14s,background .14s;
  flex-shrink:0;
}
.recent-item:hover .recent-menu-btn{opacity:1}
.recent-menu-btn:hover{background:var(--bg5);color:var(--text2)}

.recent-ctx-menu{
  position:fixed;z-index:9000;
  background:var(--bg2);border:1px solid var(--border);
  border-radius:var(--r);box-shadow:0 6px 24px rgba(0,0,0,.5);
  min-width:140px;overflow:hidden;
}
.recent-ctx-menu button{
  display:flex;align-items:center;gap:9px;
  width:100%;padding:10px 14px;background:transparent;border:none;
  color:var(--text2);font-family:'DM Sans',sans-serif;font-size:.84rem;
  cursor:pointer;text-align:left;transition:background .14s;
}
.recent-ctx-menu button:hover{background:var(--bg4);color:var(--text)}
.recent-ctx-menu button.danger{color:var(--red)}
.recent-ctx-menu button.danger:hover{background:rgba(224,112,112,.1);color:var(--red)}

/* ── Recents active & animation ── */
.recent-item.active{background:rgba(255,255,255,.07)!important}
.recent-item-new{animation:slideInRecent .35s cubic-bezier(.22,.68,0,1.2) forwards;opacity:0}
@keyframes slideInRecent{
  from{opacity:0;transform:translateX(-14px)}
  to{opacity:1;transform:translateX(0)}
}

/* ── Chat active bg on click ── */
.recent-item:active{background:rgba(255,255,255,.1)!important}

.badge-max{background:rgba(126,184,212,.2);color:var(--blue)}
.moi-max{background:rgba(126,184,212,.18);color:var(--blue)}
.plan-max{background:rgba(126,184,212,.15);color:var(--blue)}

#_loading{
  position:fixed;inset:0;background:#2d2d2d;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:16px;z-index:99999;
  transition:opacity .4s ease;
}
#_loading img{width:52px;height:52px;object-fit:contain;animation:ldPulse 2s ease-in-out infinite}
#_loading .ld-name{font-family:'DM Serif Display',serif;font-size:1.6rem;color:#eee}
#_loading .ld-bar{width:160px;height:2px;background:#3a3a3a;border-radius:2px;overflow:hidden;margin-top:4px}
#_loading .ld-bar-fill{height:100%;width:0;background:linear-gradient(90deg,#c8a96e,#7eb8d4);border-radius:2px;animation:ldBar 2s ease-in-out infinite}
@keyframes ldPulse{0%,100%{opacity:.7;transform:scale(1)}50%{opacity:1;transform:scale(1.06)}}
@keyframes ldBar{0%{width:0;margin-left:0}60%{width:100%;margin-left:0}100%{width:0;margin-left:100%}}

@media(max-width:768px){
  .shell{flex-direction:column}
  .sidebar{width:100%!important;height:auto;position:fixed;left:-100%;top:0;bottom:0;z-index:400;transition:left .25s ease;width:280px!important}
  .sidebar.open{left:0}
  .sidebar-backdrop.show{display:block;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:399}
  .main{width:100%;min-height:100vh}
  .chat-wrap{height:100vh}
  .messages{padding:10px 0}
  .msg-outer{padding:0 12px}
  .msg-user-bubble{max-width:88%}
}
@media(min-width:1440px){
  .msg-outer{max-width:780px}
  .chat-input-inner{max-width:780px}
}

#_alinex_loading{
  position:fixed;inset:0;background:#2d2d2d;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:0;z-index:99999;transition:opacity .5s ease;
}
#_alinex_loading .al-logo{
  width:56px;height:56px;object-fit:contain;
  animation:al_pulse 2.4s ease-in-out infinite;
  margin-bottom:18px;
}
#_alinex_loading .al-name{
  font-family:'DM Serif Display',serif;
  font-size:1.9rem;letter-spacing:-.01em;
  color:#eee;margin-bottom:12px;
  opacity:0;animation:al_fadeup .6s ease .3s forwards;
}
#_alinex_loading .al-text{
  font-size:.85rem;color:var(--text3,#666);
  letter-spacing:.02em;height:1.2em;
  overflow:hidden;
}
#_alinex_loading .al-cursor{
  display:inline-block;color:var(--accent,#c8a96e);
  animation:al_blink .8s step-end infinite;
}
@keyframes al_pulse{0%,100%{opacity:.7;transform:scale(1)}50%{opacity:1;transform:scale(1.07)}}
@keyframes al_fadeup{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}
@keyframes al_blink{0%,100%{opacity:1}50%{opacity:0}}

/* ── Global Mobile Responsive Fixes ── */
@media(max-width:768px){
  body{overflow-x:hidden}
  .shell{flex-direction:column;height:100vh;overflow:hidden}
  .sidebar{
    position:fixed;left:-100%;top:0;bottom:0;width:280px!important;
    z-index:500;transition:left .25s ease;overflow-y:auto;
    box-shadow:4px 0 24px rgba(0,0,0,.4);
  }
  .sidebar.open{left:0}
  .sidebar-backdrop{display:none;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:499}
  .sidebar-backdrop.show{display:block}
  .main{width:100%;height:100vh;overflow-y:auto;-webkit-overflow-scrolling:touch}
  .welcome-wrap{padding:20px 14px;min-height:100vh;box-sizing:border-box}
  .input-wrap{max-width:100%!important}
  .input-box{border-radius:14px}
  .quick-prompts{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin-top:12px}
  .qp-btn{font-size:.75rem;padding:8px 10px}
  .chat-wrap{height:100vh;display:flex;flex-direction:column}
  .messages{flex:1;overflow-y:auto;padding:12px 0;-webkit-overflow-scrolling:touch}
  .msg-outer{padding:0 10px;max-width:100%}
  .msg-user-row{padding-left:10%}
  .msg-user-bubble{font-size:.86rem}
  .msg-ai-row{padding:0}
  .chat-input-area{padding:8px 10px 12px;flex-shrink:0}
  .chat-input-inner{max-width:100%}
  .chat-ta{font-size:.88rem}
  .chat-header{padding:0 12px}
  .mobile-header{display:flex!important}
  .mobile-menu-btn{display:flex!important}
  .welcome-title{font-size:1.4rem!important;text-align:center}
}

@media(max-width:480px){
  .quick-prompts{grid-template-columns:1fr}
  .msg-user-row{padding-left:5%}
  .msg-user-bubble{font-size:.84rem}
  .card{padding:20px 14px!important;border-radius:14px!important}
  .card.settings-card{padding:14px!important}
  .settings-nav{flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch}
  .settings-nav-item{white-space:nowrap;font-size:.75rem;padding:7px 10px}
  .plan-grid{grid-template-columns:1fr!important}
  .plan-card{min-width:0}
  h2.page-title{font-size:1.3rem}
  .page-header{padding:16px 14px}
  .chat-list{gap:6px}
  .upgrade-grid{grid-template-columns:1fr!important}
}

@media(min-width:769px){
  .mobile-menu-btn{display:none!important}
  .sidebar-backdrop{display:none!important}
  .mobile-header{display:none!important}
}

/* Fix overflow on all pages */
html{overflow-x:hidden}
* {-webkit-tap-highlight-color:transparent}
textarea,input{font-size:16px!important} /* prevent iOS zoom */