:root {
  color-scheme: dark;
  --page-bg: #121212;
  --panel-bg: #1a1a1a;
  --panel-bg-deep: #0f0f0f;
  --field-bg: #1c1c1c;
  --border: #333;
  --border-strong: #444;
  --text: #e0e0e0;
  --muted: #9aa0a6;
  --green: #00ff00;
  --green-dim: #0ea86b;
  --cyan: #00ffcc;
  --gold: #ffdc7d;
  --error: #ff6b6b;
  --warning: #ffdc7d;
  --radius: 8px;
  --font-mono: Menlo, "Courier New", Courier, "Liberation Mono", monospace;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

[hidden] {
  display: none !important;
}

html,
body {
  width: 100%;
  min-width: 320px;
  height: 100%;
  min-height: 100%;
  background: var(--page-bg);
  color: var(--text);
  font-family: var(--font-mono);
  letter-spacing: 0;
}

body {
  overflow: hidden;
}

button,
select,
input {
  font: inherit;
}

button,
select,
input {
  min-height: 32px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background: linear-gradient(145deg, #2a2a2a, #1a1a1a);
  color: var(--green);
}

button {
  padding: 0 11px;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

button:hover:not(:disabled),
select:hover:not(:disabled) {
  background: #333;
  box-shadow: 0 0 6px #00ff0044;
}

button:focus-visible,
select:focus-visible,
input:focus-visible {
  outline: none;
  border-color: var(--cyan);
  box-shadow: 0 0 5px #00ffcc44;
}

button:disabled,
select:disabled,
input:disabled {
  cursor: default;
  opacity: 0.48;
}

button:disabled {
  pointer-events: none;
}

button.primary {
  color: #b8ffb8;
  border-color: #2b2b2b;
  background: linear-gradient(135deg, #26332a, #151a17);
  box-shadow: 0 6px 18px rgba(0, 255, 153, 0.08), inset 0 0 8px rgba(0, 0, 0, 0.5);
}

select {
  min-width: 118px;
  padding: 0 34px 0 10px;
  color: #d8ffd8;
}

input {
  width: 100%;
  min-width: 0;
  padding: 0 10px;
  color: #d8ffd8;
}

.app-shell {
  display: flex;
  flex-direction: column;
  height: 100dvh;
  padding: max(6px, env(safe-area-inset-top)) max(6px, env(safe-area-inset-right))
    max(6px, env(safe-area-inset-bottom)) max(6px, env(safe-area-inset-left));
  gap: 6px;
}

.compatibility-banner {
  padding: 12px 14px;
  border: 1px solid #5c4630;
  border-radius: var(--radius);
  background: #18130c;
  color: #f4ddb2;
  line-height: 1.45;
}

.compatibility-banner h2 {
  margin-bottom: 4px;
  color: var(--warning);
  font-size: 1rem;
}

.compatibility-banner a {
  color: #d8ffd8;
}

.tool-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1 1 auto;
  min-height: 0;
}

.brand-mark {
  display: grid;
  flex: 0 0 32px;
  width: 32px;
  height: 32px;
  place-items: center;
  border: 1px solid #2f3a2fa0;
  border-radius: var(--radius);
  background: linear-gradient(145deg, var(--panel-bg), var(--panel-bg-deep));
  color: var(--green);
  font-weight: 900;
  font-size: 0.86rem;
  text-decoration: none;
  box-shadow: inset 0 0 10px #00ff9910;
}

.brand-mark:focus-visible {
  outline: 2px solid #00ffcc88;
  outline-offset: 2px;
}

.toolbar-brand {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  min-height: 32px;
  color: var(--text);
  font-size: 1rem;
  font-weight: 700;
  white-space: nowrap;
}

.toolbar {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  flex-shrink: 0;
  padding: 6px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(145deg, var(--panel-bg), var(--panel-bg-deep));
  box-shadow: inset 0 0 5px #000;
}

.field {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.field {
  flex-direction: column;
  align-items: flex-start;
}

.field span {
  color: var(--muted);
  font-size: 0.76rem;
  line-height: 1;
}

.toolbar-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-left: auto;
}

.tool-home-link {
  color: var(--text);
  text-decoration: none;
}

.tool-home-link:hover,
.tool-home-link:focus-visible {
  color: var(--green);
}

.connection-status {
  min-width: 84px;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1;
}

.terminal-controls {
  display: inline-flex;
  align-items: center;
  height: 26px;
  margin-left: 8px;
  overflow: hidden;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background: #050805;
}

.terminal-controls button,
.terminal-controls select {
  height: 26px;
  min-height: 26px;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.terminal-controls button {
  min-width: 28px;
  padding: 0 7px;
  color: var(--text);
}

.terminal-controls select {
  min-width: 92px;
  max-width: 98px;
  padding: 0 26px 0 8px;
  appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, currentColor 50%),
    linear-gradient(135deg, currentColor 50%, transparent 50%);
  background-position:
    calc(100% - 13px) 50%,
    calc(100% - 8px) 50%;
  background-repeat: no-repeat;
  background-size: 5px 5px, 5px 5px;
  color: var(--text);
  border-right: 1px solid var(--border);
  border-left: 1px solid var(--border);
}

.terminal-controls select.theme-soft {
  color: #d8ddd8;
}

.terminal-controls select.theme-green {
  color: var(--green);
}

.terminal-controls select.theme-contrast {
  color: #ffffff;
  font-weight: 700;
}

.terminal-controls button:hover:not(:disabled),
.terminal-controls select:hover:not(:disabled) {
  background: #252525;
  box-shadow: none;
}

.config-button {
  min-width: 28px;
  min-height: 26px;
  height: 26px;
  padding: 0 7px;
  color: var(--text);
}

.config-status-group {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
  margin-left: 6px;
}

.config-status-group .connection-status {
  min-width: 0;
}

.config-button.is-suggested {
  animation: config-soft-glow 4.8s ease-in-out infinite;
}

@keyframes config-soft-glow {
  0%,
  100% {
    border-color: var(--border-strong);
    box-shadow: 0 0 0 rgba(0, 255, 204, 0);
  }
  50% {
    border-color: #00ffcc88;
    box-shadow: 0 0 8px rgba(0, 255, 204, 0.16);
  }
}

.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(0, 0, 0, 0.58);
}

.config-panel {
  position: fixed;
  top: 50%;
  left: 50%;
  z-index: 101;
  width: min(520px, calc(100vw - 24px));
  max-height: calc(100dvh - 24px);
  padding: 12px;
  overflow: auto;
  transform: translate(-50%, -50%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(145deg, var(--panel-bg), var(--panel-bg-deep));
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.48), inset 0 0 5px #000;
}

.config-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.config-header h2 {
  color: var(--text);
  font-size: 1rem;
  line-height: 1.2;
}

.config-header button {
  min-width: 32px;
  padding: 0 8px;
  color: var(--text);
}

.config-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.config-grid label {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 0;
}

.config-grid span,
.config-check span,
.config-note {
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.35;
}

.config-grid select,
.config-grid input {
  width: 100%;
  min-width: 0;
}

.config-check {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
}

.config-check input {
  width: 16px;
  height: 16px;
  accent-color: var(--green-dim);
}

.config-check.disabled {
  opacity: 0.72;
}

.config-note {
  margin-top: 10px;
}

.terminal-panel {
  display: flex;
  flex: 1 1 auto;
  min-height: 220px;
  height: auto;
  overflow: hidden;
}

@media (max-width: 760px) {
  .app-shell {
    height: 100dvh;
    min-height: 0;
  }

  .toolbar {
    align-items: stretch;
  }

  .toolbar-actions {
    width: 100%;
    margin-left: 0;
    order: 2;
  }

  .toolbar-actions button {
    flex: 1 1 132px;
  }

  .toolbar-brand {
    flex: 1 1 auto;
    order: 1;
  }

  .connection-status {
    text-align: right;
  }

  .terminal-controls {
    margin-left: 0;
  }

  .config-grid {
    grid-template-columns: 1fr;
  }

  .terminal-panel {
    flex: 1 1 auto;
    min-height: 0;
  }
}

@media (max-width: 460px) {
  .toolbar-actions button {
    flex-basis: 108px;
  }
}