:root{
  --bg:#0f111a;
  --panel:#141824;
  --border:#252a3a;
  --text:#e5e9f0;
  --muted:#9aa3b2;

  --accent:#ff7a18;
  --accent-10: rgba(255,122,24,.10);
  --accent-12: rgba(255,122,24,.12);
  --accent-20: rgba(255,122,24,.20);
  --accent-35: rgba(255,122,24,.35);
  --accent-40: rgba(255,122,24,.40);
  --accent-55: rgba(255,122,24,.55);

  --topbar:#0e1018;
  --surface:#10131c;
  --tabbar:#161a27;
  --tabActive:#1b2030;

  --mono: ui-monospace, Menlo, Consolas, monospace;
  --radius: 16px;
}

*{box-sizing:border-box}
html,body{margin:0;height:100%;background:var(--bg);color:var(--text);}

/* TOP BAR */
.topbar{
  height:64px;
  display:flex;
  align-items:center;
  padding:0 14px;
  border-bottom:1px solid var(--border);
  background:linear-gradient(180deg,var(--topbar),var(--bg));
}
.brand{
  display:flex;
  align-items:center;
  gap:14px;
  border:0;
  background:transparent;
  color:var(--text);
  cursor:pointer;
  padding:8px 10px;
  border-radius:14px;
}
.brand:hover{background:rgba(255,255,255,.04)}
.logo{
  width:46px;
  height:46px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.12);
  object-fit:cover;
  background:rgba(255,255,255,.03);
}
.brandname{
  font-family:var(--mono);
  font-size:15px;
  letter-spacing:.02em;
}

/* LAYOUT */
.app{
  display:grid;
  grid-template-columns:52px 320px 1fr;
  height:calc(100vh - 64px - 28px);
  min-height:0;
}

/* ACTIVITY BAR (bottom stacked) */
.activity{
  background:rgba(0,0,0,.18);
  border-right:1px solid var(--border);
  display:flex;
  flex-direction:column;
  align-items:center;
  padding:10px 0;
  gap:8px;
}
.activity-spacer{flex:1}
.act{
  width:38px;height:38px;border-radius:10px;
  background:none;border:1px solid transparent;
  color:var(--muted);
  font-size:18px;
  cursor:pointer;
}
.act:hover{
  border-color:var(--border);
  background:rgba(255,255,255,.04);
  color:var(--text);
}
.act.active{
  color:var(--text);
  border-color: var(--accent-40);
  background: var(--accent-12);
}

/* SIDEBAR */
.sidebar{
  background:var(--panel);
  border-right:1px solid var(--border);
  padding:10px;
  overflow:auto;
  min-width:0;
}
.sidebar-title{
  font-size:11px;
  color:var(--muted);
  letter-spacing:1px;
  margin-bottom:10px;
  font-family:var(--mono);
}
.sidepanel{display:none;}
.sidepanel.active{display:block;}

.tree{font-family:var(--mono);font-size:13px;}
.tree-folder{
  width:100%;
  background:none;
  border:1px solid transparent;
  color:var(--text);
  text-align:left;
  padding:8px 10px;
  border-radius:10px;
  display:flex;
  align-items:center;
  gap:8px;
  cursor:pointer;
}
.tree-folder:hover{
  border-color:var(--border);
  background:rgba(255,255,255,.04);
}
.chev{color:var(--muted);width:16px;text-align:center;}
.tree-children{padding-left:18px;margin-top:4px;margin-bottom:10px;}

.tree-item{
  width:100%;
  background:none;
  border:1px solid transparent;
  color:var(--muted);
  text-align:left;
  padding:8px 10px;
  border-radius:10px;
  display:flex;
  align-items:center;
  gap:8px;
  cursor:pointer;
  font-family:var(--mono);
}
.tree-item:hover{
  border-color:var(--border);
  background:rgba(255,255,255,.04);
  color:var(--text);
}
.tree-item.active{
  color:var(--text);
  border-color: var(--accent-40);
  background: var(--accent-12);
}
.tree-item.home{
  color:var(--text);
  background:rgba(255,255,255,.02);
  border-color:rgba(255,255,255,.08);
  margin-bottom:8px;
}
.tree-item.home:hover{
  border-color: var(--accent-40);
}

/* COLORS PANEL */
.panel-block{
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:12px;
  background:rgba(255,255,255,.02);
}
.panel-h{
  font-family:var(--mono);
  font-size:12px;
  color:var(--text);
  margin-bottom:8px;
}
.panel-sub{
  font-family:var(--mono);
  font-size:11.5px;
  color:var(--muted);
  margin-bottom:10px;
}
.theme-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:8px;
}
.theme-swatch{
  width:100%;
  display:flex;
  align-items:center;
  gap:10px;
  border:1px solid var(--border);
  background:rgba(255,255,255,.03);
  color:var(--text);
  padding:10px;
  border-radius:14px;
  cursor:pointer;
  font-family:var(--mono);
  font-size:12.5px;
}
.theme-swatch:hover{ border-color: var(--accent-35); }
.theme-divider{
  margin:6px 0 2px;
  padding:6px 2px;
  color:var(--muted);
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:1px;
}
.swatch-chip{
  width:14px;height:14px;border-radius:5px;
  border:1px solid rgba(255,255,255,.12);
}
.swatch-chip[data-chip="darkOrange"]{background:#ff7a18;}
.swatch-chip[data-chip="darkBlue"]{background:#4aa3ff;}
.swatch-chip[data-chip="midnightGreen"]{background:#2bd99f;}
.swatch-chip[data-chip="charcoalPurple"]{background:#b07cff;}
.swatch-chip[data-chip="lightOrange"]{background:#ff7a18;}
.swatch-chip[data-chip="lightBlue"]{background:#1f6feb;}
.swatch-chip[data-chip="lightGreen"]{background:#11a36a;}
.swatch-chip[data-chip="lightPurple"]{background:#7c3aed;}

/* EDITOR */
.editor{
  display:flex;
  flex-direction:column;
  min-width:0;
  min-height:0;
}
.tabs{
  height:40px;
  border-bottom:1px solid var(--border);
  display:flex;
  background:var(--tabbar);
}
.tab{
  padding:8px 14px;
  font-family:var(--mono);
  border-right:1px solid rgba(255,255,255,.06);
  display:flex;
  align-items:center;
  gap:10px;
}
.tab.active{
  background:var(--tabActive);
  box-shadow:inset 0 -2px 0 var(--accent);
}
.tab-logo{
  width:18px;height:18px;
  border-radius:6px;
  border:1px solid rgba(255,255,255,.12);
  object-fit:cover;
}
.editorbar{
  padding:8px 14px;
  border-bottom:1px solid rgba(255,255,255,.06);
  font-family:var(--mono);
  font-size:12px;
  color:var(--muted);
}
.crumb-strong{color:var(--text);}
.pane{ padding:16px; overflow:auto; min-height:0; }
.content{ max-width:1100px; width:100%; }

/* WELCOME */
.welcome{
  border:1px solid var(--border);
  background:var(--surface);
  border-radius:var(--radius);
  padding:24px 18px;
  width:100%;
}
.welcome-hero{
  display:flex;
  flex-direction:column;
  align-items:center;
  text-align:center;
  gap:10px;
}
.welcome-logo{
  width:min(220px, 55vw);
  height:auto;
  aspect-ratio: 1 / 1;
  border-radius:28px;
  border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.03);
  object-fit:contain;
  margin-bottom:6px;
}
.welcome h2{ margin:0; font-size:28px; }
.welcome p{
  margin:0;
  max-width:720px;
  color:var(--muted);
  line-height:1.7;
  font-size:15.5px;
}
.hint{
  margin-top:16px;
  padding:12px 14px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.08);
  background:rgba(255,255,255,.03);
  font-family:var(--mono);
  font-size:12.5px;
  color:var(--muted);
}

/* CARD VIEW */
.cardview{
  border:1px solid var(--border);
  background:var(--surface);
  border-radius:var(--radius);
  padding:18px;
  width:100%;
}
.hero-grid{
  display:grid;
  grid-template-columns: minmax(220px, 34%) 1fr;
  gap:16px;
  align-items:start;
}
.hero-media{
  border:1px solid var(--border);
  border-radius:18px;
  overflow:hidden;
  background:rgba(255,255,255,.02);
}
.hero-media img{
  width:100%;
  height:auto;
  display:block;
  object-fit:cover;
}
.hero-title{ display:flex; flex-direction:column; gap:6px; margin-bottom:10px; }
.hero-title h2{ margin:0; font-size:24px; }
.hero-title p{ margin:0; color:var(--muted); line-height:1.5; }

.badges{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin:10px 0 12px;
}
.badge-pill{
  font-family:var(--mono);
  font-size:11.5px;
  padding:6px 9px;
  border-radius:999px;
  border:1px solid var(--accent-35);
  background:var(--accent-10);
  color:var(--accent);
}

.links{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:10px;
}
.linkbtn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:9px 12px;
  border-radius:12px;
  border:1px solid var(--border);
  background:rgba(255,255,255,.03);
  color:var(--text);
  text-decoration:none;
  font-family:var(--mono);
  font-size:12.5px;
}
.linkbtn:hover{ border-color: var(--accent-35); }
.linkbtn.primary{
  border-color: var(--accent-55);
  background: var(--accent-12);
}

/* STATUS BAR */
.statusbar{
  height:28px;
  border-top:1px solid var(--border);
  display:flex;
  justify-content:space-between;
  padding:4px 12px;
  font-family:var(--mono);
  font-size:12px;
  color:var(--muted);
}

/* RESPONSIVE */
@media (max-width: 980px){
  .app{grid-template-columns:52px 280px 1fr;}
  .content{max-width:900px}
}
@media (max-width: 820px){
  .app{grid-template-columns:52px 1fr;}
  .sidebar{display:none;}
  .hero-grid{grid-template-columns:1fr;}
  .topbar{height:60px}
}

.logo,
.tab-logo,
.welcome-logo,
.hero-media,
.avatar {
  filter:
    drop-shadow(0 0 0.75px var(--accent))
    drop-shadow(0 0 1.5px rgba(0,0,0,0.35));
}

/* MOBILE MENU BUTTON */
.mobile-menu{
  display:none;
  margin-right:10px;
  width:40px;
  height:40px;
  border-radius:12px;
  border:1px solid var(--border);
  background:rgba(255,255,255,.03);
  color:var(--text);
  cursor:pointer;
  font-size:18px;
}
.mobile-menu:hover{border-color:var(--accent-40);background:var(--accent-12);}

/* MOBILE DRAWER */
.drawer-backdrop{
  position:fixed;
  inset:0;
  background:rgba(0,0,0,.55);
  z-index:999;
}
.drawer{
  position:fixed;
  top:0;
  left:0;
  height:100vh;
  width:min(86vw, 360px);
  background:var(--panel);
  border-right:1px solid var(--border);
  z-index:1000;
  overflow:auto;
}
.drawer-head{
  position:sticky;
  top:0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:12px;
  border-bottom:1px solid var(--border);
  background:linear-gradient(180deg,var(--topbar),var(--panel));
}
.drawer-title{
  font-family:var(--mono);
  color:var(--text);
  font-size:13px;
  letter-spacing:.04em;
}
.drawer-close{
  width:36px;height:36px;
  border-radius:12px;
  border:1px solid var(--border);
  background:rgba(255,255,255,.03);
  color:var(--text);
  cursor:pointer;
}
.drawer-close:hover{border-color:var(--accent-40);background:var(--accent-12);}

/* Hide desktop sidebar on mobile, show hamburger */
@media (max-width: 820px){
  .sidebar-desktop{display:none;}
  .mobile-menu{display:inline-flex;align-items:center;justify-content:center;}
}

/* MOBILE MENU BUTTON */
.mobile-menu{
  display:none;
  margin-right:10px;
  width:40px;height:40px;
  border-radius:12px;
  border:1px solid var(--border);
  background:rgba(255,255,255,.03);
  color:var(--text);
  cursor:pointer;
  font-size:18px;
}
.mobile-menu:hover{border-color:var(--accent-40);background:var(--accent-12);}

/* MOBILE DRAWER */
.drawer-backdrop{
  position:fixed;
  inset:0;
  background:rgba(0,0,0,.55);
  z-index:999;
}
.drawer{
  position:fixed;
  top:0; left:0;
  height:100vh;
  width:min(88vw, 360px);
  background:var(--panel);
  border-right:1px solid var(--border);
  z-index:1000;
  overflow:auto;
}
.drawer-head{
  position:sticky;
  top:0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:12px;
  border-bottom:1px solid var(--border);
  background:linear-gradient(180deg,var(--topbar),var(--panel));
}
.drawer-title{
  font-family:var(--mono);
  color:var(--text);
  font-size:13px;
  letter-spacing:.04em;
}
.drawer-close{
  width:36px;height:36px;
  border-radius:12px;
  border:1px solid var(--border);
  background:rgba(255,255,255,.03);
  color:var(--text);
  cursor:pointer;
}
.drawer-close:hover{border-color:var(--accent-40);background:var(--accent-12);}

.drawer-body{ padding:10px; }

/* MOBILE MENU LIST */
.mmenu-section{
  margin:10px 0 14px;
}
.mmenu-h{
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:1px;
  color:var(--muted);
  margin:10px 6px;
}
.mmenu-item{
  width:100%;
  display:flex;
  align-items:center;
  gap:10px;
  padding:10px 12px;
  border-radius:12px;
  border:1px solid var(--border);
  background:rgba(255,255,255,.03);
  color:var(--text);
  cursor:pointer;
  font-family:var(--mono);
  font-size:13px;
  text-align:left;
}
.mmenu-item:hover{ border-color:var(--accent-35); }
.mmenu-item:active{ background:var(--accent-12); border-color:var(--accent-40); }
.mmenu-icon{ width:18px; text-align:center; opacity:.9; }

/* Hide desktop sidebar on mobile, show hamburger */
@media (max-width: 820px){
  .sidebar-desktop{display:none;}
  .mobile-menu{display:inline-flex;align-items:center;justify-content:center;}
}