:root {
  --ink: #f4efe3;
  --muted: #a9a08e;
  --dim: #6f695d;
  --panel: rgba(24, 26, 24, 0.88);
  --panel-strong: rgba(12, 13, 12, 0.96);
  --line: rgba(244, 239, 227, 0.13);
  --accent: #d6ff5f;
  --accent-ink: #10140a;
  --danger: #ff6b4a;
  --warn: #e6c15a;
  --steel: #87a1a5;
  --terminal-bg: #060706;
  --shadow: 0 18px 70px rgba(0, 0, 0, 0.42);
  --ui-font: "Bahnschrift", "DIN Alternate", "Aptos Display", "Trebuchet MS", sans-serif;
  --mono-font: "Cascadia Code", "JetBrains Mono", "Fira Code", "SFMono-Regular", Consolas, monospace;
  --app-visible-height: 100lvh;
  --system-keyboard-inset: 0px;
}

* { box-sizing: border-box; }
html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  overscroll-behavior: none;
}
button, input, select { font: inherit; }
button { cursor: pointer; }

.app-body,
.login-body {
  color: var(--ink);
  font-family: var(--ui-font);
  background:
    radial-gradient(circle at 14% 0%, rgba(214, 255, 95, 0.12), transparent 28rem),
    radial-gradient(circle at 80% 18%, rgba(135, 161, 165, 0.13), transparent 24rem),
    linear-gradient(145deg, #151711 0%, #090a09 46%, #14120d 100%);
  overflow: hidden;
}

.app-body {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  height: var(--app-visible-height);
  max-height: var(--app-visible-height);
}

.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.18;
  background-image:
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(rgba(255,255,255,0.026) 1px, transparent 1px);
  background-size: 23px 23px;
  mask-image: linear-gradient(to bottom, black, transparent 88%);
}

.app-body .grain {
  display: none;
}

.app-shell {
  position: relative;
  display: grid;
  grid-template-rows: minmax(0, 1fr);
  height: var(--app-visible-height);
  max-height: var(--app-visible-height);
  min-height: 0;
  overflow: hidden;
  padding: 0;
  gap: 0;
}

.terminal-dock {
  position: relative;
  z-index: 12;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px;
  min-height: 48px;
  padding: 6px;
  border: 1px solid rgba(244,239,227,0.10);
  border-radius: 15px;
  background: linear-gradient(180deg, rgba(8, 9, 8, 0.94), rgba(8, 9, 8, 0.66));
}

.tabs {
  display: flex;
  gap: 7px;
  overflow-x: auto;
  min-width: 0;
  padding: 0;
  scrollbar-width: none;
}
.tabs::-webkit-scrollbar { display: none; }

.config-tabs {
  min-height: 42px;
  margin: 0 0 8px;
  padding: 4px;
  border: 1px solid rgba(244,239,227,0.10);
  border-radius: 14px;
  background: rgba(0,0,0,0.18);
}

.dock-actions {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: max-content;
}

.connection-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  color: transparent;
  overflow: hidden;
  background: var(--dim);
  box-shadow: 0 0 0 transparent;
}
.connection-dot[data-state="online"] { background: var(--accent); box-shadow: 0 0 12px rgba(214,255,95,0.75); }
.connection-dot[data-state="connecting"],
.connection-dot[data-state="syncing"],
.connection-dot[data-state="stale"],
.connection-dot[data-state="reconnecting"] {
  background: var(--warn);
  box-shadow: 0 0 12px rgba(230,193,90,0.72);
  animation: status-pulse 1.15s ease-in-out infinite;
}
.connection-dot[data-state="error"] { background: var(--danger); box-shadow: 0 0 12px rgba(255,107,74,0.75); }

.dock-button {
  min-width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  padding: 0 9px;
  border: 1px solid rgba(244,239,227,0.12);
  border-radius: 11px;
  color: var(--muted);
  background: rgba(255,255,255,0.045);
}
.dock-button.active {
  color: var(--accent-ink);
  background: var(--accent);
}
.dock-button.danger { color: #ffad9b; }
.dock-button:active {
  color: var(--accent-ink);
  background: var(--accent);
}

.tab {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  max-width: min(44vw, 250px);
  min-height: 34px;
  padding: 6px 8px 6px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: rgba(22, 24, 21, 0.82);
}
.tab.active {
  color: var(--ink);
  border-color: rgba(214, 255, 95, 0.45);
  background: linear-gradient(180deg, rgba(214,255,95,0.12), rgba(22,24,21,0.9));
}
.tab-title { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tab-status {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--dim);
  box-shadow: 0 0 0 transparent;
}
.tab[data-status="running"] .tab-status { background: var(--accent); box-shadow: 0 0 12px rgba(214,255,95,0.75); }
.tab[data-status="exited"] .tab-status { background: var(--steel); }
.tab[data-status="connecting"] .tab-status,
.tab[data-status="syncing"] .tab-status,
.tab[data-status="stale"] .tab-status,
.tab[data-status="reconnecting"] .tab-status {
  background: var(--warn);
  box-shadow: 0 0 10px rgba(230,193,90,0.68);
}
.tab[data-status="lost"] .tab-status,
.tab[data-status="provider-offline"] .tab-status,
.tab[data-status="error"] .tab-status { background: var(--danger); box-shadow: 0 0 10px rgba(255,107,74,0.68); }

@keyframes status-pulse {
  0%, 100% { opacity: 0.55; transform: scale(0.92); }
  50% { opacity: 1; transform: scale(1.12); }
}
.workspace {
  min-height: 0;
  min-width: 0;
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: 50% 50%;
  gap: 0;
  position: relative;
  overflow: hidden;
}

.terminal-stage {
  position: relative;
  isolation: isolate;
  min-height: 0;
  min-width: 0;
  overflow: hidden;
  touch-action: none;
  border: 0;
  border-radius: 0;
  background: var(--terminal-bg);
  box-shadow: none;
}

.terminal-pane {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: block;
  min-height: 0;
  min-width: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  padding: 0;
  opacity: 0;
  pointer-events: none;
}
.terminal-pane.active {
  z-index: 2;
  opacity: 1;
  pointer-events: auto;
}
.terminal-pane .xterm { height: 100%; padding: 0; }
.terminal-pane .xterm,
.terminal-pane .xterm-screen,
.terminal-pane .xterm-viewport {
  max-width: 100%;
}
.terminal-pane .xterm-viewport {
  border-radius: 0;
  overflow-y: scroll !important;
}

.virtual-keyboard {
  position: relative;
  min-width: 0;
  width: 100%;
  max-width: 100%;
  overflow: hidden;
  padding: 6px;
  border-top: 1px solid rgba(244,239,227,0.12);
  border-bottom: 1px solid rgba(244,239,227,0.10);
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(10, 11, 9, 0.78), rgba(6, 7, 6, 0.96));
  backdrop-filter: blur(14px);
}
.virtual-keyboard.hidden { display: none; }
.terminal-dock .virtual-keyboard {
  width: auto;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  backdrop-filter: none;
}
.key-strip {
  display: flex;
  gap: 6px;
  min-width: 0;
  max-width: 100%;
  overflow-x: auto;
  scrollbar-width: none;
  touch-action: pan-x;
}
.key-strip::-webkit-scrollbar { display: none; }
.key-strip button {
  flex: 0 0 auto;
  min-width: 44px;
  min-height: 40px;
  padding: 0 11px;
  border: 1px solid rgba(244,239,227,0.14);
  border-radius: 12px;
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.025)),
    rgba(13, 15, 13, 0.92);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.06);
  user-select: none;
  -webkit-user-select: none;
}
.terminal-dock .key-strip button {
  min-width: 40px;
  min-height: 34px;
  padding: 0 9px;
  border-radius: 11px;
  font-size: 0.8rem;
}
.key-strip button:active,
.key-strip button.pressed {
  color: var(--accent-ink);
  background: var(--accent);
}

.empty-state {
  position: absolute;
  inset: 0;
  display: block;
  padding: 0;
  background: var(--terminal-bg);
}
.empty-state.hidden { display: none; }
.empty-card { max-width: 520px; text-align: left; }
.empty-kicker {
  display: inline-flex;
  margin-bottom: 10px;
  color: var(--accent);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 0.72rem;
}
.empty-card h1,
.login-card h1 { margin: 0 0 10px; font-size: clamp(2rem, 9vw, 4.9rem); line-height: 0.88; letter-spacing: -0.07em; }
.empty-card p,
.login-card p,
.microcopy { color: var(--muted); line-height: 1.55; }

.drawer {
  position: relative;
  z-index: 20;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 6px;
  min-height: 0;
  min-width: 0;
  max-height: none;
  overflow: hidden;
  padding: 6px;
  border: 0;
  border-top: 1px solid var(--line);
  border-radius: 0;
  background: var(--panel-strong);
  box-shadow: none;
  transform: none;
  overscroll-behavior: contain;
  scrollbar-width: thin;
}
.drawer.open { transform: translateY(0); }
.drawer-handle { display: none; }

.control-pages {
  position: relative;
  min-height: 0;
  min-width: 0;
  overflow: hidden;
}

.control-page {
  display: none;
  width: 100%;
  height: 100%;
  min-height: 0;
  min-width: 0;
}
.control-page.active { display: block; }
.terminal-controls {
  overflow: auto;
  overscroll-behavior: contain;
}
.config-page {
  overflow: auto;
  padding: 0 1px 8px;
  overscroll-behavior: contain;
}

.config-head {
  position: sticky;
  top: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 10px;
  min-height: 42px;
  padding: 4px 0 8px;
  color: var(--muted);
  background: var(--panel-strong);
}
.config-head span {
  font-size: 0.82rem;
  letter-spacing: 0.10em;
  text-transform: uppercase;
}

details {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255,255,255,0.025);
  margin-bottom: 8px;
  overflow: hidden;
}
summary {
  padding: 12px 13px;
  color: var(--ink);
  letter-spacing: 0.03em;
  list-style: none;
  cursor: pointer;
}
summary::-webkit-details-marker { display: none; }
details > :not(summary) { margin: 0 12px 12px; }

.stacked-form,
.login-form { display: grid; gap: 10px; }
label { display: grid; gap: 6px; color: var(--muted); font-size: 0.82rem; }
input,
select {
  width: 100%;
  min-height: 42px;
  border: 1px solid rgba(244,239,227,0.14);
  border-radius: 12px;
  color: var(--ink);
  background: rgba(0,0,0,0.28);
  padding: 0 12px;
  outline: none;
}
input:focus,
select:focus { border-color: rgba(214,255,95,0.58); box-shadow: 0 0 0 3px rgba(214,255,95,0.12); }
select option { color: #111; }

.primary-button,
.plain-button,
.empty-card button {
  border: 1px solid transparent;
  border-radius: 13px;
  min-height: 38px;
  color: var(--ink);
  background: rgba(255,255,255,0.06);
}
.primary-button,
.empty-card button {
  color: var(--accent-ink);
  background: var(--accent);
  border-color: rgba(214,255,95,0.7);
  font-weight: 700;
}
.plain-button { width: 100%; color: var(--muted); }
.plain-button.compact {
  width: auto;
  min-height: 34px;
  padding: 0 12px;
}

.settings-panel { display: grid; gap: 10px; }
.perf-stats {
  display: grid;
  gap: 7px;
  margin-bottom: 10px;
}
.metric-row {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 8px 0;
  border-bottom: 1px solid rgba(244,239,227,0.08);
  color: var(--muted);
  font-size: 0.78rem;
}
.metric-row strong {
  color: var(--ink);
  font-family: var(--mono-font);
  font-weight: 600;
  white-space: nowrap;
}
.range-row {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) 34px 48px;
  align-items: center;
  gap: 8px;
}
.range-row button {
  min-height: 34px;
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--ink);
  background: rgba(255,255,255,0.05);
}
.range-row input {
  min-height: 34px;
  padding: 0;
  accent-color: var(--accent);
}
.range-row output {
  color: var(--accent);
  font-family: var(--mono-font);
  font-size: 0.78rem;
  text-align: right;
}

.provider-list,
.session-list { display: grid; gap: 7px; }
.row-card {
  display: grid;
  gap: 7px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(0,0,0,0.22);
}
.row-card.active { border-color: rgba(214,255,95,0.45); }
.row-main { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.row-title { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.row-meta { color: var(--muted); font-size: 0.75rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.row-actions { display: flex; flex-wrap: wrap; gap: 6px; }
.row-actions button { min-height: 30px; padding: 0 8px; border-radius: 10px; border: 1px solid var(--line); color: var(--muted); background: rgba(255,255,255,0.04); }
.badge { color: var(--accent); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.09em; }
.badge.warn { color: var(--warn); }
.badge.neutral { color: var(--steel); }
.badge.offline { color: var(--danger); }

.toast {
  position: fixed;
  z-index: 30;
  left: 50%;
  bottom: calc(20px + env(safe-area-inset-bottom) + var(--system-keyboard-inset));
  transform: translate(-50%, 18px);
  max-width: min(92vw, 620px);
  padding: 10px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink);
  background: rgba(11, 12, 10, 0.92);
  opacity: 0;
  pointer-events: none;
  transition: opacity 160ms ease, transform 160ms ease;
  box-shadow: var(--shadow);
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

.login-body {
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: 20px;
}
.login-card {
  width: min(100%, 520px);
  padding: clamp(22px, 6vw, 42px);
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(9,10,9,0.82);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}
.form-error { min-height: 1.2em; color: var(--danger); }

@media (min-width: 900px) {
  .app-shell { padding: 0; }
  .workspace {
    grid-template-columns: 1fr;
    grid-template-rows: 50% 50%;
  }
  .drawer {
    position: relative;
    inset: auto;
    max-height: none;
    transform: none;
    border-radius: 0;
    background: var(--panel);
  }
  .drawer-handle { display: none; }
  .terminal-pane { padding: 0; }
}

@media (max-width: 520px) {
  .terminal-dock {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 5px;
    min-height: 44px;
    padding: 5px;
  }
  .dock-actions { gap: 4px; }
  .dock-button {
    min-width: 30px;
    height: 32px;
    padding: 0 7px;
    border-radius: 10px;
    font-size: 0.82rem;
  }
  .tab {
    max-width: min(40vw, 180px);
    min-height: 32px;
    padding: 5px 6px 5px 10px;
    font-size: 0.8rem;
  }
  .terminal-stage { border-radius: 0; }
  .terminal-pane { padding: 0; }
  .virtual-keyboard { padding: 5px; }
  .terminal-dock .virtual-keyboard { padding: 0; }
  .key-strip button {
    min-width: 40px;
    min-height: 38px;
    padding: 0 9px;
    border-radius: 11px;
    font-size: 0.82rem;
  }
  .terminal-dock .key-strip button {
    min-width: 34px;
    min-height: 32px;
    padding: 0 7px;
    font-size: 0.76rem;
  }
}