/* Co-Driver AI Platform */
:root {
  --primary:      #6366f1;
  --primary-hover:#5254cc;
  --bg:           #0f0f13;
  --surface:      #18181f;
  --surface2:     #22222c;
  --border:       #2d2d3d;
  --text:         #e2e2f0;
  --text-muted:   #8888aa;
  --sidebar-bg:   #12121a;
  --sidebar-w:    230px;
  --sidebar-text: #c0c0d8;
  --green:        #22c55e;
  --red:          #ef4444;
  --yellow:       #f59e0b;
  --blue:         #3b82f6;
  --radius:       8px;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.6}

/* ── Sidebar ─────────────────────────────────────────────────────────────── */
.sidebar{
  position:fixed;left:0;top:0;bottom:0;width:var(--sidebar-w);
  background:var(--sidebar-bg);border-right:1px solid var(--border);
  display:flex;flex-direction:column;overflow:hidden;z-index:100;
}
.main-with-sidebar{margin-left:var(--sidebar-w);min-height:100vh}
.main-full{min-height:100vh}

/* Logo — compact */
.sidebar-logo{
  padding:12px 14px 10px;display:flex;align-items:center;gap:8px;
  border-bottom:1px solid var(--border);flex-shrink:0;
}
.logo-icon{font-size:17px}
.logo-text{font-size:13px;font-weight:700;color:var(--text)}

/* Nav — tight */
.sidebar-nav{padding:4px 0;flex-shrink:0;border-bottom:1px solid var(--border)}
.nav-link{
  display:flex;align-items:center;gap:8px;
  padding:7px 14px;color:var(--sidebar-text);
  text-decoration:none;font-size:13px;
  transition:background .12s,color .12s;
}
.nav-link:hover{background:rgba(255,255,255,0.04);color:var(--text)}
.nav-link.active{background:var(--primary);color:#fff}
.nav-icon{font-size:14px;width:17px;text-align:center;flex-shrink:0}

/* Scrollable chat list */
.sidebar-chats{flex:1;overflow-y:auto;min-height:0;padding:6px 0}
.sidebar-chats-label{
  font-size:10px;font-weight:700;color:var(--text-muted);
  text-transform:uppercase;letter-spacing:.06em;
  padding:4px 14px 5px;
}
.sidebar-chat-item{
  display:block;padding:6px 14px;text-decoration:none;
  border-left:2px solid transparent;transition:background .1s;
}
.sidebar-chat-item:hover{background:rgba(255,255,255,0.04)}
.sidebar-chat-item.active{background:rgba(99,102,241,.14);border-left-color:var(--primary)}
.sidebar-chat-title{color:var(--text);font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sidebar-chat-meta{color:var(--text-muted);font-size:10px;margin-top:1px}
.sidebar-chat-empty{color:var(--text-muted);font-size:12px;padding:10px 14px}

/* Footer */
.sidebar-footer{padding:10px 14px;border-top:1px solid var(--border);flex-shrink:0}
.user-info{display:flex;align-items:center;gap:8px;margin-bottom:8px}
.user-avatar{
  width:26px;height:26px;border-radius:50%;
  background:var(--primary);display:flex;align-items:center;
  justify-content:center;font-weight:700;font-size:11px;color:#fff;flex-shrink:0;
}
.user-meta{min-width:0}
.user-name{font-weight:600;font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.user-role{font-size:10px;color:var(--text-muted);display:flex;align-items:center;gap:4px}
.role-sep{color:var(--border)}
.audit-link{color:var(--text-muted);text-decoration:none}
.audit-link:hover{color:var(--primary)}
.logout-btn{
  display:block;text-align:center;padding:6px;
  border:1px solid var(--border);border-radius:var(--radius);
  color:var(--text-muted);text-decoration:none;font-size:12px;transition:all .15s;
}
.logout-btn:hover{border-color:var(--red);color:var(--red)}

/* Scrollbar */
::-webkit-scrollbar{width:4px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--border);border-radius:2px}
::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}

/* ── Login ────────────────────────────────────────────────────────────────── */
.login-page{display:flex;align-items:center;justify-content:center;min-height:100vh}
.login-container{width:100%;max-width:400px;padding:24px}
.login-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:40px}
.login-logo{text-align:center;margin-bottom:28px}
.logo-icon-lg{font-size:36px}
.login-logo h1{font-size:20px;font-weight:700;margin:8px 0 4px}
.login-logo p{color:var(--text-muted);font-size:13px}
.login-form{display:flex;flex-direction:column;gap:14px}

/* ── Forms ────────────────────────────────────────────────────────────────── */
.field-group{display:flex;flex-direction:column;gap:5px}
.field-group label{font-size:12px;font-weight:600;color:var(--text-muted)}
input[type="text"],input[type="password"],input[type="email"],select,textarea{
  background:var(--surface2);border:1px solid var(--border);
  color:var(--text);border-radius:var(--radius);padding:9px 11px;
  font-size:13px;width:100%;outline:none;transition:border-color .15s;
}
input:focus,select:focus,textarea:focus{border-color:var(--primary)}

/* ── Buttons ──────────────────────────────────────────────────────────────── */
.btn-primary{
  background:var(--primary);color:#fff;border:none;border-radius:var(--radius);
  padding:9px 18px;font-size:13px;font-weight:600;cursor:pointer;
  transition:background .15s;text-decoration:none;display:inline-block;
}
.btn-primary:hover{background:var(--primary-hover)}
.btn-full{width:100%;text-align:center}
.btn-ghost{
  background:transparent;color:var(--text-muted);
  border:1px solid var(--border);border-radius:var(--radius);
  padding:7px 14px;font-size:12px;cursor:pointer;
  transition:all .15s;text-decoration:none;display:inline-block;
}
.btn-ghost:hover{color:var(--text);border-color:var(--text-muted)}
.btn-sm{padding:5px 11px;font-size:12px}
.btn-xs{
  padding:3px 9px;font-size:11px;border-radius:5px;
  background:var(--surface2);border:1px solid var(--border);
  color:var(--text-muted);cursor:pointer;transition:all .15s;
}
.btn-xs:hover{border-color:var(--primary);color:var(--text)}
.btn-success{border-color:var(--green)!important;color:var(--green)!important}
.btn-danger{border-color:var(--red)!important;color:var(--red)!important}

/* ── Flash ────────────────────────────────────────────────────────────────── */
.flash{padding:10px 14px;border-radius:var(--radius);margin:14px 22px 0;font-size:13px}
.flash-error{background:rgba(239,68,68,.12);border:1px solid var(--red);color:var(--red)}
.flash-success{background:rgba(34,197,94,.12);border:1px solid var(--green);color:var(--green)}

/* ── Page header ──────────────────────────────────────────────────────────── */
.page-header{padding:24px 24px 0;display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.page-header h1{font-size:20px;font-weight:700}
.page-header p{color:var(--text-muted);font-size:13px;margin-top:2px}

/* ── Stats grid ───────────────────────────────────────────────────────────── */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;padding:0 24px 20px}
.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px}
.stat-alert{border-color:var(--yellow)}
.stat-icon{font-size:22px;margin-bottom:6px}
.stat-value{font-size:26px;font-weight:700;line-height:1}
.stat-label{font-size:11px;color:var(--text-muted);margin-top:3px}
.stat-link{display:inline-block;margin-top:6px;font-size:11px;color:var(--primary);text-decoration:none}

/* ── Dashboard ────────────────────────────────────────────────────────────── */
.dash-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(380px,1fr));gap:18px;padding:0 24px 24px}
.dash-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.dash-card-header{padding:14px 18px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}
.dash-card-header h3{font-size:14px;font-weight:600}

/* ── Tables ───────────────────────────────────────────────────────────────── */
.table-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);margin:0 24px 20px;overflow:hidden}
.table{width:100%;border-collapse:collapse}
.table th{background:var(--surface2);padding:10px 14px;text-align:left;font-size:11px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em}
.table td{padding:11px 14px;border-top:1px solid var(--border);vertical-align:middle}
.table tr:hover td{background:rgba(255,255,255,0.015)}
.table code{font-size:11px;background:var(--surface2);padding:2px 5px;border-radius:4px}
.actions{display:flex;gap:5px}
.empty{color:var(--text-muted);text-align:center;padding:22px!important}
.log-msg{max-width:260px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* ── Badges ───────────────────────────────────────────────────────────────── */
.badge-green{background:rgba(34,197,94,.14);color:var(--green);padding:2px 7px;border-radius:20px;font-size:11px}
.badge-red{background:rgba(239,68,68,.14);color:var(--red);padding:2px 7px;border-radius:20px;font-size:11px}
.badge-gray{background:var(--surface2);color:var(--text-muted);padding:2px 7px;border-radius:20px;font-size:11px}
.badge-blue{background:rgba(59,130,246,.14);color:var(--blue);padding:2px 7px;border-radius:20px;font-size:11px}

/* ── Activity ─────────────────────────────────────────────────────────────── */
.activity-list{padding:0 2px}
.activity-item{padding:10px 16px;border-bottom:1px solid var(--border)}
.activity-item:last-child{border-bottom:none}
.activity-meta{display:flex;gap:10px;font-size:11px;color:var(--text-muted);margin-bottom:3px}
.activity-user{font-weight:600;color:var(--text)}
.activity-msg{font-size:12px;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* ── Chat ─────────────────────────────────────────────────────────────────── */
.chat-layout{display:flex;flex-direction:column;height:100vh;overflow:hidden}
.chat-header{
  padding:12px 20px;border-bottom:1px solid var(--border);
  display:flex;align-items:center;justify-content:space-between;
  background:var(--surface);flex-shrink:0;
}
.chat-header h2{color:var(--text);font-size:14px;font-weight:700}
.chat-header-left{display:flex;align-items:center;gap:8px}
.chat-header-right{display:flex;align-items:center;gap:8px}
.model-badge{font-size:10px;background:var(--surface2);padding:2px 7px;border-radius:20px;color:var(--text-muted)}
.kb-badge{font-size:10px;background:rgba(99,102,241,.15);color:#818cf8;padding:2px 7px;border-radius:20px}
.ws-select{font-size:12px;padding:4px 8px}
.toggle-label{display:flex;align-items:center;gap:4px;font-size:12px;color:var(--text-muted);cursor:pointer}

.chat-messages{flex:1;overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:14px}
.chat-welcome{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;color:var(--text-muted)}
.welcome-icon{font-size:36px;margin-bottom:10px}
.chat-welcome h3{font-size:16px;color:var(--text);margin-bottom:6px}

.message{display:flex}
.message-user{justify-content:flex-end}
.message-assistant{justify-content:flex-start}
.message-bubble{
  max-width:72%;padding:10px 14px;border-radius:10px;
  font-size:13px;line-height:1.65;white-space:pre-wrap;word-break:break-word;
}
.message-user .message-bubble{background:var(--primary);color:#fff;border-radius:10px 10px 2px 10px}
.message-assistant .message-bubble{background:var(--surface);border:1px solid var(--border);border-radius:10px 10px 10px 2px}
.message-bubble code{background:rgba(255,255,255,.1);padding:1px 4px;border-radius:3px;font-size:11px}
.message-bubble pre{background:rgba(0,0,0,.3);padding:10px;border-radius:6px;margin:6px 0;overflow-x:auto}
.message-bubble pre code{background:none}

.chat-input-area{flex-shrink:0;border-top:1px solid var(--border);background:var(--surface)}
.upload-bar{padding:7px 20px 0;display:flex;align-items:center;gap:10px;font-size:12px;color:var(--text-muted)}
.upload-label{cursor:pointer;color:var(--primary);font-size:12px}
.upload-label:hover{text-decoration:underline}
.chat-input-row{display:flex;align-items:flex-end;gap:8px;padding:10px 20px}
#userInput{flex:1;resize:none;max-height:180px;line-height:1.5;border-radius:8px;padding:9px 12px}
.btn-send{
  width:36px;height:36px;border-radius:8px;
  background:var(--primary);border:none;color:#fff;
  cursor:pointer;display:flex;align-items:center;justify-content:center;
  flex-shrink:0;transition:background .15s;
}
.btn-send:hover{background:var(--primary-hover)}
.btn-send:disabled{opacity:.4;cursor:default}

/* ── Modal ────────────────────────────────────────────────────────────────── */
.modal{position:fixed;inset:0;background:rgba(0,0,0,.65);display:flex;align-items:center;justify-content:center;z-index:200}
.modal-content{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:26px;width:400px;max-width:95vw;display:flex;flex-direction:column;gap:14px}
.modal-content h3{font-size:15px;font-weight:700}
.modal-actions{display:flex;gap:8px}

/* ── Msg ──────────────────────────────────────────────────────────────────── */
.msg{padding:9px 12px;border-radius:var(--radius);font-size:12px}
.msg-ok{background:rgba(34,197,94,.12);border:1px solid var(--green);color:var(--green)}
.msg-err{background:rgba(239,68,68,.12);border:1px solid var(--red);color:var(--red)}

/* ── Filter / search ──────────────────────────────────────────────────────── */
.filter-bar{padding:0 24px 14px;display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.search-input{width:240px}
.section-title{padding:0 24px 10px;font-size:11px;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em}
.pagination{display:flex;gap:8px;align-items:center;justify-content:center;padding:14px}
.empty-state{text-align:center;padding:50px;color:var(--text-muted)}
.empty-icon{font-size:36px;margin-bottom:10px}

/* ── Editor ───────────────────────────────────────────────────────────────── */
.editor-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;padding:0 24px 24px}
.editor-panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.editor-tab-bar{border-bottom:1px solid var(--border);padding:0 14px;display:flex}
.editor-tab{padding:10px 14px;background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:12px;font-weight:600;border-bottom:2px solid transparent;transition:all .15s}
.editor-tab.active{color:var(--primary);border-bottom-color:var(--primary)}
.editor-panel>div>p,.editor-panel .css-ref{padding:12px}
.code-editor{width:100%;height:380px;font-family:'Menlo','Consolas',monospace;font-size:12px;line-height:1.6;resize:none;border-radius:0;border:none;border-top:1px solid var(--border);background:#0d0d12}
.css-ref pre{background:var(--surface2);padding:8px;border-radius:5px;font-size:11px;line-height:1.5}

/* ── KB checkboxes ────────────────────────────────────────────────────────── */
.kb-checks{display:flex;flex-wrap:wrap;gap:6px}
.kb-check-label{display:flex;align-items:center;gap:5px;font-size:12px;color:var(--text);cursor:pointer;padding:3px 8px;border:1px solid var(--border);border-radius:5px;transition:border-color .15s}
.kb-check-label:hover{border-color:var(--primary)}
.kb-check-label input[type="checkbox"]{width:13px;height:13px;cursor:pointer;accent-color:var(--primary)}

/* ── Mobile top bar (hidden on desktop) ─────────────────────────────────── */
.mobile-topbar  { display:none }
.mobile-overlay { display:none }
.sidebar-close-btn { display:none }

/* ── Hamburger button ─────────────────────────────────────────────────────── */
.hamburger-btn {
  background:none; border:none; cursor:pointer;
  padding:4px; display:flex; flex-direction:column;
  gap:5px; flex-shrink:0;
}
.hamburger-btn span {
  display:block; width:22px; height:2px;
  background:var(--text); border-radius:2px; transition:all .2s;
}

/* ── Responsive — Mobile ─────────────────────────────────────────────────── */
@media (max-width: 768px) {

  /* Top bar */
  .mobile-topbar {
    display:flex; position:fixed; top:0; left:0; right:0; height:50px;
    background:var(--sidebar-bg); border-bottom:1px solid var(--border);
    align-items:center; padding:0 16px; gap:12px; z-index:200;
  }
  .mobile-app-name { font-size:14px; font-weight:700; color:var(--text); flex:1; }

  /* Overlay */
  .mobile-overlay {
    position:fixed; inset:0; background:rgba(0,0,0,.55); z-index:250;
  }
  .mobile-overlay.active { display:block; }

  /* Sidebar becomes a slide-out drawer */
  .sidebar {
    transform:translateX(-100%);
    transition:transform .25s cubic-bezier(.4,0,.2,1);
    z-index:300;
    width:78vw; max-width:280px;
    box-shadow:none;
  }
  .sidebar.open {
    transform:translateX(0);
    box-shadow:6px 0 28px rgba(0,0,0,.45);
  }

  /* Close X button inside sidebar (mobile only) */
  .sidebar-close-btn {
    display:flex; margin-left:auto;
    background:none; border:none; color:var(--text-muted);
    font-size:18px; cursor:pointer; padding:2px 4px; line-height:1;
  }

  /* Main content: no left margin, push down for top bar */
  .main-with-sidebar { margin-left:0; padding-top:50px; }

  /* Chat takes full remaining height */
  .chat-layout { height:calc(100vh - 50px); }

  /* Wider message bubbles on small screens */
  .message-bubble { max-width:90%; }

  /* Chat header: compact */
  .chat-header { padding:9px 12px; gap:6px; flex-wrap:wrap; }
  .chat-header h2 { font-size:13px; }
  .ws-select { font-size:11px; max-width:100px; }

  /* Chat messages padding */
  .chat-messages { padding:12px; gap:12px; }
  .chat-input-row { padding:8px 12px; }
  .upload-bar { padding:6px 12px 0; }

  /* Tables scroll horizontally */
  .table-card { margin:0 12px 16px; overflow-x:auto; }
  .table { min-width:500px; }

  /* Page layout */
  .page-header { padding:16px 14px 0; flex-wrap:wrap; gap:8px; }
  .stats-grid  { padding:12px 12px 16px; grid-template-columns:1fr 1fr; gap:10px; }
  .dash-grid   { padding:0 12px 16px; grid-template-columns:1fr; }
  .filter-bar  { padding:0 12px 12px; flex-wrap:wrap; }
  .section-title { padding:0 12px 8px; }
  .editor-grid { grid-template-columns:1fr; padding:0 12px 16px; }
  .pagination  { padding:12px; }

  /* Modal: full width on mobile */
  .modal-content { width:92vw; padding:20px; }

  /* Stat cards compact */
  .stat-value { font-size:22px; }
  .stat-card  { padding:14px; }

  /* Login */
  .login-card { padding:28px 20px; }

  /* KB checkboxes wrap nicely */
  .kb-checks { gap:5px; }
  .kb-check-label { font-size:11px; padding:3px 7px; }
}