/* Arnold — Terminator I/O Web Interface
   Dark theme, terminal-inspired, responsive. */

:root {
  --bg:          #1a1a2e;
  --bg-panel:    #16213e;
  --bg-hover:    #1e2d4a;
  --border:      #2a3a5c;
  --text:        #c8d6e5;
  --text-dim:    #6b7b8d;
  --green:       #2ecc71;
  --green-dim:   #1a7a42;
  --red:         #e74c3c;
  --yellow:      #f39c12;
  --cyan:        #00cec9;
  --accent:      #6c5ce7;
  --accent-light:#a29bfe;
}

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

html, body {
  height: 100%;
  font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', 'Consolas', monospace;
  font-size: 14px;
  background: var(--bg);
  color: var(--text);
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ── Status bar ─────────────────────────────────────────────── */

#status-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 16px;
  background: #0f1527;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  flex-shrink: 0;
  gap: 16px;
  flex-wrap: wrap;
}

#status-devices {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.device-status {
  display: flex;
  align-items: center;
  gap: 6px;
}

.device-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}
.device-dot.connected    { background: var(--green); }
.device-dot.disconnected { background: var(--red); }

#status-message {
  color: var(--yellow);
  font-size: 12px;
  min-height: 1em;
}

/* ── Main panels ────────────────────────────────────────────── */

#panels {
  display: flex;
  flex: 1;
  gap: 0;
  overflow: hidden;
}

.panel {
  flex: 1;
  border-right: 1px solid var(--border);
  padding: 12px 16px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.panel:last-child {
  border-right: none;
}

.panel-wide {
  flex: 2;
}

.panel h2 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 10px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  flex-shrink: 0;
}

.sub-header {
  font-size: 11px;
  font-weight: 400;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin: 10px 0 6px 0;
  padding-bottom: 3px;
  border-bottom: 1px solid var(--border);
}

.empty-msg {
  color: var(--text-dim);
  font-style: italic;
  padding: 8px 0;
}

.hidden { display: none !important; }

/* ── Signal rows ────────────────────────────────────────────── */

.signal-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.signal-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 8px;
  border-radius: 4px;
  min-height: 30px;
}

.signal-row:hover {
  background: var(--bg-hover);
}

/* Indicator dot for digital signals */
.indicator {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}
.indicator.on    { background: var(--green); box-shadow: 0 0 6px var(--green); }
.indicator.off   { background: #3a4a5c; border: 1px solid #4a5a6c; }
.indicator.stale { background: #5a5a5a; }

.signal-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.signal-value {
  font-weight: 600;
  min-width: 40px;
  text-align: right;
}
.signal-value.on  { color: var(--green); }
.signal-value.off { color: var(--text-dim); }
.signal-value.stale { color: var(--text-dim); }
.signal-value.analog { color: var(--cyan); }

/* ── Output controls ────────────────────────────────────────── */

.output-row {
  cursor: pointer;
  user-select: none;
}

.output-row:active {
  background: #2a3d5c;
}

.bulk-actions {
  display: flex;
  gap: 8px;
  margin-bottom: 8px;
}

.bulk-actions button, button.seq-run-btn {
  padding: 4px 12px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  border-radius: 4px;
  cursor: pointer;
  font-family: inherit;
  font-size: 12px;
}

.bulk-actions button:hover, button.seq-run-btn:hover {
  background: var(--bg-hover);
  border-color: var(--accent);
}

.bulk-actions button:active, button.seq-run-btn:active {
  background: var(--accent);
}

/* Analog output controls */
.analog-controls {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}

.analog-controls button {
  width: 28px;
  height: 28px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  border-radius: 4px;
  cursor: pointer;
  font-family: inherit;
  font-size: 16px;
  font-weight: bold;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.analog-controls button:hover {
  border-color: var(--cyan);
  background: var(--bg-hover);
}

.analog-controls button:active {
  background: var(--cyan);
  color: var(--bg);
}

.analog-controls input {
  width: 70px;
  padding: 3px 6px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--cyan);
  font-family: inherit;
  font-size: 13px;
  text-align: right;
  border-radius: 4px;
}

.analog-controls input:focus {
  border-color: var(--cyan);
  outline: none;
}

.analog-controls .write-btn {
  font-size: 12px;
  width: auto;
  padding: 0 8px;
  color: var(--cyan);
}

.analog-controls .write-btn:hover {
  background: var(--cyan);
  color: var(--bg);
}

.analog-controls .pending {
  border-color: var(--yellow);
  color: var(--yellow);
}

/* ── Sequence panel ─────────────────────────────────────────── */

.seq-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 4px;
  margin-bottom: 4px;
}

.seq-item:hover {
  background: var(--bg-hover);
}

.seq-name {
  font-weight: 600;
  flex: 1;
}

.seq-meta {
  color: var(--text-dim);
  font-size: 12px;
}

.seq-desc {
  color: var(--text-dim);
  font-size: 12px;
  padding: 0 10px 6px 10px;
}

button.seq-run-btn {
  border-color: var(--accent);
  color: var(--accent-light);
}

button.seq-run-btn:hover {
  background: var(--accent);
  color: white;
}

button.seq-run-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* Run progress */
#run-header {
  font-weight: 600;
  color: var(--yellow);
  margin-bottom: 8px;
  font-size: 15px;
}

#run-progress-bar {
  height: 6px;
  background: #2a3a5c;
  border-radius: 3px;
  margin-bottom: 12px;
  overflow: hidden;
}

#run-progress-fill {
  height: 100%;
  background: var(--yellow);
  border-radius: 3px;
  transition: width 0.2s ease;
  width: 0%;
}

.step-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 3px 8px;
  border-radius: 3px;
  font-size: 13px;
}

.step-row.current {
  background: rgba(243, 156, 18, 0.15);
  color: var(--yellow);
  font-weight: 600;
}

.step-row.completed {
  color: var(--green-dim);
}

.step-row.pending-step {
  color: var(--text-dim);
}

.step-icon {
  width: 16px;
  text-align: center;
  flex-shrink: 0;
}

.step-time {
  width: 55px;
  text-align: right;
  flex-shrink: 0;
}

.step-action {
  flex: 1;
}

/* Last run summary */
#last-run-summary {
  margin-top: 16px;
  padding: 10px;
  border-top: 1px solid var(--border);
  font-size: 13px;
}

.run-success { color: var(--green); }
.run-failed  { color: var(--red); }
.run-error   { color: var(--red); }

/* ── Footer ─────────────────────────────────────────────────── */

#footer {
  padding: 4px 16px;
  background: #0f1527;
  border-top: 1px solid var(--border);
  font-size: 11px;
  color: var(--text-dim);
  text-align: center;
  flex-shrink: 0;
}

/* ── Responsive ─────────────────────────────────────────────── */

/* Tablet: stack outputs below inputs, sequences full width below */
@media (max-width: 1024px) {
  #panels {
    flex-wrap: wrap;
  }
  .panel {
    flex: 1 1 45%;
    min-width: 280px;
    border-right: none;
    border-bottom: 1px solid var(--border);
    max-height: 50vh;
  }
  .panel-wide {
    flex: 1 1 100%;
    max-height: none;
  }
}

/* Phone: single column */
@media (max-width: 640px) {
  #panels {
    flex-direction: column;
  }
  .panel {
    flex: none;
    max-height: none;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  .panel-wide {
    flex: none;
  }
  #status-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
  .signal-row {
    padding: 6px 8px;
  }
}