/* ======= RESET & VARIABLES — PURPLE THEME ======= */
:root {
  --bg0: #0B0614; --bg1: #120A24; --bg2: #1a1030; --bg3: #22163d;
  --bd: #1e1035; --bd2: #2e1a50;
  --tx0: #f0e8ff; --tx1: #9980bb; --tx2: #5a3d7a;
  --ac: #6C2BD9; --ac2: #5a22b8; --ac3: #B45CFF;
  --ac-glow: rgba(108,43,217,0.15); --ac-glow2: rgba(180,92,255,0.20);
  --gr: #22c55e; --rd: #ef4444; --yw: #f59e0b; --cy: #a78bfa;
  --tb-h: 42px; --mob-h: 44px; --sb-h: 22px;
  --sidebar-w: 240px; --chat-w: 300px; --term-h: 200px;
  --font: 'Inter', -apple-system, sans-serif;
  --mono: 'JetBrains Mono', 'Fira Code', monospace;
  --r: 5px; --r2: 3px; --r3: 8px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html,body{
  height:100%;width:100%;overflow:hidden;
  font-family:var(--font);background:var(--bg0);color:var(--tx0);
  font-size:13px;-webkit-font-smoothing:antialiased;
  -webkit-tap-highlight-color:transparent;
}
input,textarea,select{user-select:text!important;-webkit-user-select:text!important;}

/* ======= STARTUP PANEL (one-time welcome) ======= */
.startup-panel {
  position: fixed; inset: 0; z-index: 99999;
  background: rgba(5,5,10,0.88);
  display: flex; align-items: center; justify-content: center;
  backdrop-filter: blur(10px);
}
.startup-panel.hidden { display: none; }
.startup-inner {
  background: var(--bg1); border: 1px solid var(--bd2);
  border-radius: 12px; padding: 36px 32px; text-align: center;
  max-width: 380px; width: 90%; position: relative;
  box-shadow: 0 24px 64px rgba(0,0,0,.6);
}
.startup-logo {
  font-size: 40px; font-family: var(--mono); font-weight: 900;
  color: var(--acc); margin-bottom: 10px;
}
.startup-title {
  font-size: 20px; font-weight: 700; color: var(--tx0); margin-bottom: 6px;
}
.startup-title span { color: var(--acc); }
.startup-sub {
  font-size: 13px; color: var(--tx2); margin-bottom: 22px; line-height: 1.5;
}
.startup-actions { display: flex; flex-direction: column; gap: 10px; margin-bottom: 18px; }
.startup-btn {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 20px; border-radius: 7px; border: none;
  font-size: 13px; font-weight: 600; cursor: pointer; transition: all .15s;
  font-family: var(--font);
}
.startup-btn.primary { background: var(--acc); color: #fff; }
.startup-btn.primary:hover { filter: brightness(1.15); }
.startup-btn.secondary {
  background: var(--bg2); border: 1px solid var(--bd2); color: var(--tx1);
}
.startup-btn.secondary:hover { border-color: var(--acc); color: var(--acc); }
.startup-dont-show {
  display: flex; align-items: center; justify-content: center; gap: 7px;
  font-size: 12px; color: var(--tx3); cursor: pointer; user-select: none;
}
.startup-dont-show input { accent-color: var(--acc); }
.startup-close {
  position: absolute; top: 12px; right: 12px;
  width: 24px; height: 24px; border-radius: 50%;
  background: var(--bg2); border: 1px solid var(--bd2); color: var(--tx2);
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: all .15s;
}
.startup-close:hover { background: var(--rd, #f87171); color: #fff; border-color: transparent; }

/* ======= SPLASH ======= */
.splash{position:fixed;inset:0;background:var(--bg0);display:flex;align-items:center;justify-content:center;z-index:9999;transition:opacity .4s}
.splash.out{opacity:0;pointer-events:none}
.splash-inner{text-align:center}
.splash-logo{font-family:var(--mono);font-size:54px;font-weight:700;color:var(--ac);letter-spacing:-3px;margin-bottom:14px;
  text-shadow:0 0 40px rgba(108,43,217,0.5)}
.splash-name{font-size:26px;font-weight:700}
.splash-sub{color:var(--tx1);font-size:13px;margin-top:4px}
.splash-bar-wrap{width:180px;height:2px;background:var(--bd);margin:24px auto 0;border-radius:99px;overflow:hidden}
.splash-bar{height:100%;background:var(--ac);border-radius:99px;animation:sbar 1.1s ease forwards;
  box-shadow:0 0 12px rgba(108,43,217,0.6)}
@keyframes sbar{from{width:0}to{width:100%}}

/* ======= APP ======= */
.app{position:fixed;inset:0;display:flex;flex-direction:column;overflow:hidden;}
.hidden{display:none!important}

/* ======= TOPBAR ======= */
.topbar{
  height:var(--tb-h);flex-shrink:0;
  background:var(--bg1);border-bottom:1px solid var(--bd);
  display:flex;align-items:center;justify-content:space-between;
  padding:0 8px;z-index:100;position:relative;
  min-height:var(--tb-h);max-height:var(--tb-h);
}
.tb-left,.tb-right{display:flex;align-items:center;gap:3px;flex-shrink:0}
.tb-center{position:absolute;left:50%;transform:translateX(-50%);pointer-events:none;max-width:30%;overflow:hidden;text-align:center;}
.tb-logo{font-family:var(--mono);font-size:12px;font-weight:700;color:var(--tx1);letter-spacing:.5px}
.tb-btn{width:30px;height:30px;border:none;background:transparent;color:var(--tx1);border-radius:var(--r2);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .12s,color .12s;flex-shrink:0}
.tb-btn:hover{background:var(--bg3);color:var(--ac3)}
.tb-project-btn{display:flex;align-items:center;gap:6px;padding:4px 9px;border-radius:var(--r2);border:1px solid var(--bd);background:var(--bg2);color:var(--tx1);cursor:pointer;font-size:12px;font-family:var(--font);transition:border-color .12s;max-width:180px}
.tb-project-btn:hover{border-color:var(--ac)}
#tb-project-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:120px}
.model-select{background:var(--bg2);border:1px solid var(--bd);color:var(--tx1);border-radius:var(--r2);padding:3px 6px;font-size:11px;font-family:var(--font);cursor:pointer;outline:none;max-width:140px;transition:border-color .12s}
.model-select:hover,.model-select:focus{border-color:var(--ac);color:var(--tx0)}

/* ======= ICON BUTTON ======= */
.ib{width:30px;height:30px;border:none;background:transparent;color:var(--tx1);border-radius:var(--r2);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .12s,color .12s;flex-shrink:0}
.ib:hover{background:var(--bg3);color:var(--ac3)}
.ib.sm{width:22px;height:22px}

/* ======= MOBILE TABS ======= */
.mob-tabs{display:none;background:var(--bg1);border-bottom:1px solid var(--bd);flex-shrink:0}
.mob-tab{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;padding:7px 2px;border:none;background:transparent;color:var(--tx1);cursor:pointer;font-size:9px;font-family:var(--font);border-bottom:2px solid transparent;transition:color .15s,border-color .15s}
.mob-tab.active{color:var(--ac3);border-bottom-color:var(--ac3)}

/* ======= WORKSPACE ======= */
.workspace{display:flex;flex:1;overflow:hidden;position:relative;min-height:0;}
.center{flex:1;display:flex;flex-direction:column;overflow:hidden;min-width:0;min-height:0}

/* ======= RESIZE HANDLES ======= */
.rz{background:transparent;transition:background .15s;z-index:50}
.rz:hover,.rz.drag{background:var(--ac)}
.rz-e{position:absolute;top:0;right:-3px;width:7px;height:100%;cursor:col-resize}
.rz-w{width:7px;cursor:col-resize;flex-shrink:0;position:relative}
.rz-n{height:7px;cursor:row-resize;flex-shrink:0}

/* ======= BUTTONS ======= */
.btn-p{width:100%;padding:9px 14px;background:var(--ac);color:#fff;border:none;border-radius:var(--r);cursor:pointer;font-size:13px;font-weight:500;font-family:var(--font);transition:background .12s;
  box-shadow:0 2px 12px rgba(108,43,217,0.25)}
.btn-p:hover{background:var(--ac3)}
.btn-s{width:100%;padding:9px 14px;background:transparent;color:var(--tx0);border:1px solid var(--bd2);border-radius:var(--r);cursor:pointer;font-size:13px;font-family:var(--font);transition:background .12s;margin-top:6px}
.btn-s:hover{background:var(--bg3)}

/* ======= MISC ======= */
.divider{text-align:center;color:var(--tx2);font-size:11px;margin:12px 0;position:relative}
.divider::before,.divider::after{content:'';position:absolute;top:50%;width:42%;height:1px;background:var(--bd)}
.divider::before{left:0}.divider::after{right:0}
.field{margin-bottom:11px}
.field label{display:block;font-size:11px;color:var(--tx1);margin-bottom:4px;font-weight:500}
.field.row{display:flex;align-items:center;justify-content:space-between}
.field.row label{margin-bottom:0}
.inp{width:100%;background:var(--bg2);border:1px solid var(--bd);color:var(--tx0);border-radius:var(--r2);padding:7px 9px;font-size:13px;font-family:var(--font);outline:none;transition:border-color .12s;user-select:text!important}
.inp:focus{border-color:var(--ac)}
.inp.narrow{width:70px}
select.inp{cursor:pointer}
input[type=checkbox]{accent-color:var(--ac);cursor:pointer}
.modal-p{color:var(--tx1);margin-bottom:12px;font-size:13px}
.msg-ok{margin-top:10px;font-size:12px;color:var(--gr)}
.msg-ok.err{color:var(--rd)}

/* ======= SCROLLBARS ======= */
::-webkit-scrollbar{width:5px;height:5px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--bd2);border-radius:99px}
::-webkit-scrollbar-thumb:hover{background:var(--ac2)}

/* ======= TOASTS ======= */
#toasts{position:fixed;bottom:20px;right:16px;display:flex;flex-direction:column;gap:6px;z-index:9000}
.toast{padding:9px 14px;border-radius:var(--r);font-size:12px;font-weight:500;animation:tin .22s ease;max-width:300px;border:1px solid transparent}
.toast.ok{background:#14532d;color:#4ade80;border-color:#166534}
.toast.err{background:#450a0a;color:#f87171;border-color:#7f1d1d}
.toast.inf{background:#1e0f3f;color:#c4b5fd;border-color:#3b1f7a}
.toast.wrn{background:#451a03;color:#fbbf24;border-color:#78350f}
@keyframes tin{from{opacity:0;transform:translateX(10px)}to{opacity:1;transform:translateX(0)}}

/* ======= LOADING ======= */
.loading{position:fixed;inset:0;background:rgba(0,0,0,.65);display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:8000;gap:12px}
.loading-spin{width:32px;height:32px;border:3px solid var(--bd);border-top-color:var(--ac);border-radius:50%;animation:spin .7s linear infinite}
#loading-txt{color:var(--tx1);font-size:13px}
@keyframes spin{to{transform:rotate(360deg)}}

/* ======= MOBILE FAB + LAYOUT — see css/mobile.css ======= */
/* Base FAB hidden state (mobile.css overrides per breakpoint) */
#mob-fab{display:none;position:fixed;bottom:20px;right:16px;z-index:5000;flex-direction:column-reverse;align-items:flex-end;gap:10px;}
#mob-fab-btn{width:52px;height:52px;border-radius:50%;background:var(--ac);color:#fff;border:none;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 4px 20px rgba(108,43,217,0.45);transition:background .15s,transform .2s;font-size:22px;}
#mob-fab-btn:hover{background:var(--ac3)}
#mob-fab-btn.open{transform:rotate(45deg)}
#mob-fab-menu{display:none;flex-direction:column;gap:8px;align-items:flex-end;}
#mob-fab-menu.visible{display:flex}
.fab-item{display:flex;align-items:center;gap:10px;background:var(--bg2);border:1px solid var(--bd2);border-radius:99px;padding:7px 14px 7px 10px;cursor:pointer;color:var(--tx0);font-size:12px;font-weight:500;box-shadow:0 2px 12px rgba(0,0,0,.4);transition:background .12s,border-color .12s;white-space:nowrap;font-family:var(--font);}
.fab-item:hover{background:var(--bg3);border-color:var(--ac)}
.fab-item svg{color:var(--ac3);flex-shrink:0}
.fab-item span{color:var(--tx0)}

/* Desktop always shows panels side-by-side */
@media(min-width:769px){
  .sidebar,.center,.chat-panel{display:flex!important}
  .mob-tabs{display:none!important}
  #mob-fab{display:none!important}
  
}

/* ======= FULLSCREEN FALLBACK (WebViews that block Fullscreen API) ======= */
.is-fullscreen .app {
  position: fixed !important;
  inset: 0 !important;
  z-index: 99999 !important;
  width: 100vw !important;
  height: 100vh !important;
}

/* ======= MODEL PICKER (topbar dropdown) ======= */
.model-picker-wrap {
  position: relative;
  flex-shrink: 0;
}
.model-picker-btn {
  display: flex; align-items: center; gap: 5px;
  height: 28px; padding: 0 8px;
  background: var(--bg2); border: 1px solid var(--bd);
  color: var(--tx1); border-radius: var(--r2);
  font-size: 11px; font-family: var(--font);
  cursor: pointer; transition: border-color .12s, color .12s;
  white-space: nowrap; max-width: 150px; min-width: 80px;
}
.model-picker-btn:hover { border-color: var(--ac); color: var(--tx0); }
.model-picker-btn.open { border-color: var(--ac); color: var(--ac3); }
#model-picker-label {
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  flex: 1; max-width: 110px; text-align: left;
}

/* Dropdown */
.model-picker-dropdown {
  position: absolute; top: calc(100% + 5px); right: 0;
  width: 280px; max-height: 420px;
  background: var(--bg2); border: 1px solid var(--bd2);
  border-radius: var(--r3); box-shadow: 0 8px 32px rgba(0,0,0,.55);
  z-index: 2000; display: flex; flex-direction: column;
  overflow: hidden;
}
.model-picker-dropdown.hidden { display: none; }
.mpd-section-title {
  font-size: 9px; font-weight: 700; letter-spacing: .8px;
  color: var(--tx2); padding: 8px 10px 4px;
  text-transform: uppercase; display: flex; align-items: center; gap: 6px;
}
.mpd-hint { font-size: 9px; font-weight: 400; color: var(--tx2); letter-spacing: 0; text-transform: none; }
.mpd-list {
  overflow-y: auto; max-height: 200px;
  padding: 2px 6px 6px;
}
.mpd-opt {
  display: flex; align-items: center; gap: 7px;
  width: 100%; padding: 6px 8px;
  background: transparent; border: none; border-radius: var(--r2);
  color: var(--tx1); font-size: 12px; font-family: var(--font);
  cursor: pointer; text-align: left; transition: background .1s, color .1s;
}
.mpd-opt:hover { background: var(--bg3); color: var(--tx0); }
.mpd-opt.active { color: var(--ac3); background: var(--ac-glow); }
.mpd-badge {
  font-size: 8px; font-weight: 700; padding: 1px 5px;
  border-radius: 3px; flex-shrink: 0; letter-spacing: .3px;
}
.mpd-badge.free { background: rgba(34,197,94,.12); color: #4ade80; border: 1px solid rgba(34,197,94,.25); }
.mpd-badge.paid { background: rgba(245,158,11,.1); color: #fbbf24; border: 1px solid rgba(245,158,11,.2); }
.mpd-divider { height: 1px; background: var(--bd); margin: 4px 0; flex-shrink: 0; }
.mpd-custom-row {
  display: flex; gap: 6px; align-items: center;
  padding: 4px 8px 8px;
}
.mpd-custom-input {
  flex: 1; background: var(--bg0); border: 1px solid var(--bd);
  color: var(--tx0); border-radius: var(--r2);
  padding: 6px 8px; font-size: 12px; font-family: var(--mono);
  outline: none; transition: border-color .12s;
}
.mpd-custom-input:focus { border-color: var(--ac); }
.mpd-custom-input::placeholder { color: var(--tx2); font-family: var(--font); font-size: 11px; }
.mpd-custom-apply {
  width: 30px; height: 30px; flex-shrink: 0;
  background: var(--ac); border: none; border-radius: var(--r2);
  color: #fff; cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: background .12s;
}
.mpd-custom-apply:hover { background: var(--ac3); }
.mpd-custom-feedback {
  font-size: 10px; padding: 0 10px 6px; color: var(--gr); min-height: 16px;
}
.mpd-custom-feedback.err { color: var(--rd); }

/* ======= SETTINGS MODEL FIELD ======= */
.s-model-display {
  font-family: var(--mono); font-size: 11px; color: var(--ac3);
  padding: 6px 9px; background: var(--bg0); border: 1px solid var(--bd);
  border-radius: var(--r2); word-break: break-all; margin-bottom: 8px;
}
.s-custom-model-row {
  display: flex; gap: 6px; align-items: center;
}
.s-custom-model-row .inp { flex: 1; font-family: var(--mono); font-size: 12px; }
.s-model-apply-btn {
  padding: 6px 12px; background: var(--ac); color: #fff;
  border: none; border-radius: var(--r2); font-size: 12px;
  font-family: var(--font); cursor: pointer; white-space: nowrap;
  flex-shrink: 0; transition: background .12s;
}
.s-model-apply-btn:hover { background: var(--ac3); }
.s-model-presets {
  display: flex; flex-wrap: wrap; gap: 5px;
  margin-top: 8px; align-items: center;
}
.s-preset-label { font-size: 10px; color: var(--tx2); }
.s-preset {
  padding: 3px 9px; font-size: 11px; font-family: var(--font);
  background: var(--bg2); border: 1px solid var(--bd2);
  color: var(--tx1); border-radius: 99px; cursor: pointer;
  transition: border-color .12s, color .12s;
}
.s-preset:hover { border-color: var(--ac); color: var(--ac3); }