/* ─── LAYOUT ─── */
.app {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  grid-template-rows: var(--topnav-h) 1fr;
  height: 100vh;
  transition: grid-template-columns 0.28s cubic-bezier(0.4, 0, 0.2, 1), grid-template-rows 0.32s cubic-bezier(.4,0,.2,1);
}

/* ─── SIDEBAR TOGGLE BTN ─── */
.sidebar-toggle-btn {
  width: 34px; height: 34px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; color: var(--text2);
  transition: all 0.2s; flex-shrink: 0;
}
.sidebar-toggle-btn:hover { background: var(--surface2); color: var(--cyan); border-color: var(--border2); }

/* ─── TOP NAV ─── */
.topnav {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  padding: 0 20px;
  height: 56px;
  background: rgba(8,12,24,0.95);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(20px);
  gap: 12px;
  position: relative;
  z-index: 100;
  transition: height 0.32s cubic-bezier(.4,0,.2,1), padding 0.32s cubic-bezier(.4,0,.2,1);
}
.topnav img { transition: height 0.32s cubic-bezier(.4,0,.2,1); }

/* Compact state, kicks in 5s after load to reduce distraction, restores on hover */
.topnav.compact {
  height: 38px;
  padding: 0 20px;
}
.topnav.compact img { height: 18px !important; }
.topnav.compact .search-bar { padding: 3px 12px; }
.topnav.compact .nav-btn { width: 28px; height: 28px; }

/* Logo handled inline via img tag */

.topnav-spacer { flex: 1; }

.search-bar {
  display: flex; align-items: center; gap: 8px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 14px;
  width: 260px;
  transition: all 0.2s;
}
.search-bar:focus-within {
  border-color: var(--cyan);
  box-shadow: var(--glow-blue);
}
.search-bar input {
  background: none; border: none; outline: none;
  color: var(--text); font-family: 'Inter', sans-serif;
  font-size: 13px; width: 100%;
}
.search-bar input::placeholder { color: var(--text3); }

.nav-btn {
  width: 34px; height: 34px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; color: var(--text2);
  transition: all 0.2s; font-size: 16px;
}
.nav-btn:hover { background: var(--surface2); color: var(--text); border-color: var(--border2); }

.save-workflow-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px;
  padding: 0;
  color: #fff;
  background: linear-gradient(135deg, var(--cyan), var(--purple));
  border: none; border-radius: 8px;
  cursor: pointer;
  flex-shrink: 0;
  box-shadow: 0 2px 10px rgba(0,194,255,0.35);
  transition: transform 0.15s, box-shadow 0.15s, opacity 0.15s;
}
.save-workflow-btn:hover { transform: translateY(-1px); box-shadow: 0 4px 16px rgba(0,194,255,0.45); }
.save-workflow-btn:active { transform: translateY(0); }
.save-workflow-btn:disabled { opacity: 0.6; cursor: default; transform: none; }

.new-project-btn {
  display: inline-flex; align-items: center; gap: 6px;
  height: 32px; padding: 0 12px;
  font-size: 12px; font-weight: 600;
  color: var(--text2);
  background: var(--surface2);
  border: 1px solid var(--border2);
  border-radius: 8px;
  cursor: pointer;
  flex-shrink: 0;
  margin-left: 10px;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.new-project-btn:hover { color: var(--text); border-color: var(--blue); }
.new-project-btn:active { transform: translateY(0); }
.new-project-btn svg { flex-shrink: 0; }
.new-project-btn span { white-space: nowrap; }

.theme-toggle {
  width: 44px; height: 24px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 12px;
  cursor: pointer;
  position: relative;
  transition: background 0.2s;
  flex-shrink: 0;
  outline: none;
}
.theme-toggle::after {
  content: '';
  position: absolute;
  top: 3px; left: 3px;
  width: 16px; height: 16px;
  background: var(--cyan);
  border-radius: 50%;
  transition: transform 0.2s;
}
[data-theme="dark"] .theme-toggle::after { transform: translateX(20px); }

.nav-avatar {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--cyan), var(--purple));
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700; cursor: pointer;
  border: 2px solid var(--border2);
}

/* ─── SIDEBAR BACKDROP (mobile drawer only — hidden everywhere else) ─── */
.sidebar-backdrop { display: none; }

/* ─── SIDEBAR ─── */
.sidebar {
  background: var(--bg2);
  border-right: 1px solid var(--border);
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  overflow-y: auto;
  overflow-x: hidden;
  transition: width 0.28s cubic-bezier(0.4, 0, 0.2, 1), padding 0.28s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.2s ease;
  width: var(--sidebar-w);
  min-width: 0;
}

.sidebar-section {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--text3);
  padding: 12px 10px 6px;
  font-weight: 600;
}

.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px;
  border-radius: 9px;
  cursor: pointer;
  color: var(--text2);
  font-size: 13px;
  font-weight: 500;
  transition: all 0.15s;
  position: relative;
}
.nav-item:hover { background: var(--surface2); color: var(--text); box-shadow: var(--shadow-nav); }
.nav-item.active {
  background: rgba(0,194,255,0.10);
  color: var(--blue);
  border: 1px solid rgba(0,194,255,0.20);
  box-shadow: var(--shadow-nav-active);
}
.nav-item.active::before {
  content: '';
  position: absolute; left: -12px; top: 50%; transform: translateY(-50%);
  width: 3px; height: 20px;
  background: var(--cyan);
  border-radius: 0 3px 3px 0;
}
.nav-icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  opacity: 0.75;
}

/* ── Push-flight micro-interaction: comet-trail dot + sidebar arrival pulse ── */
.sarvarc-dot-fx {
  position: fixed; top: 0; left: 0;
  width: 8px; height: 8px; border-radius: 50%;
  pointer-events: none; z-index: 99999;
  background: var(--cyan, #00C2FF);
  box-shadow: 0 0 0 4px rgba(0,194,255,0.16), 0 0 14px 2px rgba(0,194,255,0.55);
}
.sarvarc-dot-fx.ghost { box-shadow: none; }
.nav-item.sarvarc-push-hit {
  background: rgba(0,194,255,0.14) !important;
  color: var(--blue) !important;
}
.nav-item.sarvarc-push-hit::after {
  content: '';
  position: absolute; inset: -2px;
  border-radius: 11px;
  border: 2px solid var(--cyan, #00C2FF);
  opacity: 0;
  pointer-events: none;
  animation: sarvarcRingPulse 0.6s ease-out;
}
@keyframes sarvarcRingPulse {
  0%   { opacity: 0.9; transform: scale(0.85); }
  70%  { opacity: 0.25; }
  100% { opacity: 0; transform: scale(1.35); }
}
.nav-item.active .nav-icon,
.nav-item:hover .nav-icon { opacity: 1; }
a.nav-item,
a.nav-item:link,
a.nav-item:visited {
  text-decoration: none;
  color: var(--text2);
  font-weight: 500;
  font-family: inherit;
}
a.nav-item:hover { color: var(--text); }
.nav-badge {
  margin-left: auto;
  background: var(--cyan);
  color: #0A0F1E; font-size: 10px;
  padding: 1px 6px; border-radius: 20px; font-weight: 700;
}

/* ─── EXTERNAL TOOL LINKS ─── */
.nav-ext-arrow {
  margin-left: auto;
  opacity: 0;
  transform: translate(-3px, 0);
  transition: opacity 0.2s ease, transform 0.2s ease;
  font-size: 13px;
  color: var(--cyan);
  flex-shrink: 0;
}
.nav-item:hover .nav-ext-arrow {
  opacity: 0.9;
  transform: translate(0, 0);
}

/* ─── MAIN ─── */
.main {
  overflow-y: auto;
  overflow-x: hidden;
  background: var(--bg);
  position: relative;
}

/* bg grid */
.main::before {
  content: '';
  position: fixed;
  inset: var(--topnav-h) 0 0 0;
  left: var(--sidebar-w);
  background-image: 
    linear-gradient(rgba(0,194,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,194,255,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
  transition: left 0.25s ease;
}

.section { display: none; }
.section.active { display: block; }