/* Shell layout — sidebar + content area. Uses tokens from design-system.css */

.shell {
  display: flex;
  min-height: 100vh;
}

/* Mobile top bar — hidden on desktop, shows brand + hamburger on small screens */
.mobile-bar {
  display: none;
  position: sticky;
  top: 0;
  z-index: 40;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: rgba(7, 11, 18, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.mobile-bar__burger {
  font-size: 1.4rem;
  line-height: 1;
  background: none;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  color: var(--text);
  padding: 4px 10px;
  cursor: pointer;
}
.mobile-bar__brand {
  font-weight: 900;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: var(--text-base);
}

.drawer-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 45;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(2px);
}

.sidebar {
  width: 244px;
  flex-shrink: 0;
  background: linear-gradient(180deg, var(--bg-elevated), #080d15);
  border-right: 1px solid var(--border);
  padding: var(--space-5) var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.sidebar__brand {
  font-weight: 900;
  font-size: var(--text-lg);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: 0 var(--space-2) var(--space-5);
  background: linear-gradient(100deg, var(--text), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.sidebar__link {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-3);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: var(--text-sm);
  font-weight: 700;
  cursor: pointer;
  transition: color var(--transition), background var(--transition);
}
.sidebar__link:hover { background: var(--surface); color: var(--text); }
.sidebar__link.active {
  background: var(--accent-2-soft);
  color: var(--accent-2);
}
.sidebar__link.active::before {
  content: '';
  position: absolute;
  left: 0; top: 20%; bottom: 20%;
  width: 3px;
  border-radius: var(--radius-pill);
  background: var(--accent-2);
  box-shadow: var(--glow-yellow);
}

.sidebar__spacer { flex: 1; }

/* Generator/fuel meter — altijd zichtbaar in de sidebar */
.fuel {
  margin: var(--space-3) 0;
  padding: var(--space-3);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}
.fuel__title {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-faint);
  margin-bottom: var(--space-2);
  display: flex;
  justify-content: space-between;
}
.fuel__bar {
  position: relative;
  height: 14px;
  background: #060a11;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-pill);
  overflow: hidden;
}
.fuel__fill {
  position: absolute;
  inset: 0 auto 0 0;
  background: linear-gradient(90deg, var(--accent-2), var(--accent-2-hover));
  box-shadow: var(--glow-yellow);
  transition: width 400ms ease;
}
.fuel__fill--warn { background: linear-gradient(90deg, var(--warning), var(--accent-2)); }
.fuel__fill--empty { background: var(--danger); box-shadow: 0 0 16px rgba(248,81,73,0.5); }
.fuel__stop {
  position: absolute;
  top: 0; bottom: 0;
  width: 2px;
  background: var(--bg);
}
.fuel__lock {
  position: absolute;
  top: -2px; bottom: -2px;
  width: 3px;
  background: var(--accent);
  box-shadow: 0 0 6px var(--accent);
}
.fuel__label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin-top: var(--space-2);
  font-variant-numeric: tabular-nums;
}
.fuel__actions { display: flex; gap: var(--space-2); margin-top: var(--space-2); }
.fuel__actions .ds-btn { padding: 3px 10px; font-size: var(--text-xs); flex: 1; justify-content: center; }

.main {
  flex: 1;
  min-width: 0;
  padding: var(--space-6) var(--space-7);
  max-width: 1240px;
}

.panel { display: none; }
.panel.active { display: block; animation: panel-in 260ms ease; }
@keyframes panel-in {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-5);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-2);
  flex-wrap: wrap;
}

/* Login page */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-5);
}
.login-card {
  width: 360px;
  max-width: 100%;
  padding: var(--space-7) var(--space-6);
  box-shadow: var(--shadow-md);
}
.login-card form { display: flex; flex-direction: column; gap: var(--space-4); margin-top: var(--space-5); }
.login-error { color: var(--danger); font-size: var(--text-sm); min-height: 1.2em; }

/* Hero visualization — animated canvas centerpiece per main section */
.hero-viz {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background:
    radial-gradient(ellipse at center, rgba(56,139,253,0.10) 0%, transparent 65%),
    #060a11;
  border: 1px solid var(--border);
  height: 300px;
  margin-top: var(--space-5);
  box-shadow: inset 0 0 60px rgba(56,139,253,0.06);
}
.hero-viz canvas { display: block; width: 100%; height: 100%; }
.hero-viz__label {
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  z-index: 1;
}
.hero-viz--sm { height: 180px; }

/* Stat rings (real telemetry) */
.rings-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-5);
}
.ring-card {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}
.ring-card svg { transform: rotate(-90deg); flex-shrink: 0; }
.ring-card__track { fill: none; stroke: var(--border); stroke-width: 7; }
.ring-card__fill { fill: none; stroke-width: 7; stroke-linecap: round; transition: stroke-dashoffset 500ms ease; filter: drop-shadow(0 0 5px currentColor); }
.ring-card__value { font-family: var(--font-mono); font-size: var(--text-lg); font-weight: 700; }
.ring-card__label { font-family: var(--font-mono); font-size: var(--text-xs); color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.06em; }

/* Bot connection card */
.bot-connect { margin-top: var(--space-5); }
.bot-connect__row { display: flex; gap: var(--space-3); align-items: flex-end; flex-wrap: wrap; margin-top: var(--space-4); }
.bot-connect__field { flex: 1; min-width: 180px; display: flex; flex-direction: column; gap: var(--space-2); }
.bot-connect__field label { font-family: var(--font-mono); font-size: var(--text-xs); color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; }
.bot-connect__status { display: flex; align-items: center; gap: var(--space-3); margin-top: var(--space-4); font-size: var(--text-sm); }

/* AI assistant chat */
.chat {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 240px);
  min-height: 360px;
}
.chat__messages {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-2) 0;
}
.chat__msg {
  max-width: 82%;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  white-space: pre-wrap;
  line-height: 1.55;
}
.chat__msg--user { align-self: flex-end; background: var(--accent-soft); border: 1px solid rgba(56,139,253,0.3); }
.chat__msg--assistant { align-self: flex-start; background: var(--surface); border: 1px solid var(--border); }
.chat__msg--pending { color: var(--text-muted); font-style: italic; }
.chat__input-row { display: flex; gap: var(--space-3); margin-top: var(--space-4); flex-wrap: wrap; }
.chat__input-row .ds-input { flex: 1; min-width: 180px; }

/* ---------- Responsive: tablet & mobile ---------- */
@media (max-width: 900px) {
  .main { padding: var(--space-5) var(--space-5); }
  .hero-viz { height: 240px; }
}

@media (max-width: 760px) {
  .mobile-bar { display: flex; }
  .shell { flex-direction: column; }

  .sidebar {
    position: fixed;
    top: 0; bottom: 0; left: 0;
    z-index: 50;
    width: 80vw;
    max-width: 300px;
    transform: translateX(-100%);
    transition: transform 240ms ease;
  }
  .shell.drawer-open .sidebar { transform: translateX(0); }
  .shell.drawer-open .drawer-overlay { display: block; }

  .main { padding: var(--space-5) var(--space-4); max-width: 100%; }
  .grid { grid-template-columns: 1fr; }
  .hero-viz { height: 200px; }
  .chat { height: calc(100vh - 300px); }
  .topbar { flex-direction: column; align-items: flex-start; }
}