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

:root {
  --paper: #232323;
  --paper-2: #2d2d2d;
  --ink: #ffffff;
  --ink-soft: #f0f0f0;
  --line: #ffc60a;
  --accent-yellow: #ffc60a;
  --shadow: #8f6e00;
  --radius: 14px;
  --pill: 999px;
  --page-w: min(980px, 100% - 30px);
}

body {
  min-height: 100vh;
  color: var(--ink);
  font-family: "Anonymous Pro", "Courier New", monospace;
  font-size: 15px;
  background:
    radial-gradient(1200px 560px at 8% -18%, rgba(255, 198, 10, 0.14), transparent 55%),
    radial-gradient(900px 480px at 100% 5%, rgba(255, 198, 10, 0.22), transparent 58%),
    linear-gradient(180deg, var(--paper), var(--paper-2));
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 24px 24px;
  opacity: 0.28;
}

/* ---------------------------------------------------------------------------
   Header
--------------------------------------------------------------------------- */
header {
  position: sticky;
  top: 0;
  z-index: 20;
  padding: 20px 0 14px;
  background: linear-gradient(180deg, rgba(35, 35, 35, 0.96), rgba(45, 45, 45, 0.9));
  backdrop-filter: blur(4px);
  border-bottom: 2px solid rgba(255, 198, 10, 0.5);
  width: var(--page-w);
  margin: 0 auto;
}

h1 {
  display: inline-block;
  font-family: "Modak", Impact, sans-serif;
  font-size: clamp(2.2rem, 5.2vw, 4.2rem);
  font-weight: 400;
  line-height: 1;
  color: var(--accent-yellow);
}

#midi-bar {
  margin-top: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

#midi-bar select,
.btn-small {
  height: 38px;
  border: 2px solid var(--line);
  background: #343434;
  color: var(--ink);
  border-radius: var(--pill);
  padding: 0 14px;
  font: inherit;
}

#midi-bar button,
.btn-small {
  cursor: pointer;
}

#midi-bar button:hover,
.btn-small:hover {
  background: #4a4a4a;
}

#midi-bar select:focus,
#midi-bar button:focus,
.btn-small:focus,
.mode-pill:focus,
label select:focus,
input[type="range"]:focus {
  outline: 3px solid rgba(255, 198, 10, 0.45);
  outline-offset: 1px;
}

.port-label {
  display: inline-flex;
  gap: 6px;
  align-items: center;
  color: var(--ink-soft);
}

#status {
  color: var(--ink-soft);
  padding-left: 2px;
}

/* ---------------------------------------------------------------------------
   Startup gate + global lock
--------------------------------------------------------------------------- */
#startup-gate {
  width: var(--page-w);
  margin: 14px auto 0;
  padding: 14px 16px;
  background: #303030;
  border: 2px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 5px 5px 0 var(--shadow);
}

#startup-gate h2 {
  font-size: 15px;
  color: var(--accent-yellow);
}

#startup-gate p {
  margin-top: 6px;
  font-size: 13px;
  color: var(--ink-soft);
}

.startup-progress-track {
  margin-top: 10px;
  height: 10px;
  border-radius: var(--pill);
  border: 2px solid var(--line);
  background: #1c1c1c;
  overflow: hidden;
}

#startup-progress {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--accent-yellow), #fff1bd);
  transition: width 0.18s ease;
}

#startup-gate[data-state="awaiting"] .startup-progress-track {
  display: none;
}

#startup-gate[data-state="ready"] {
  display: none;
}

body.boot-locked .tab-bar,
body.boot-locked .tab-content {
  opacity: 0.28;
  pointer-events: none;
  user-select: none;
}

/* ---------------------------------------------------------------------------
   Tab navigation
--------------------------------------------------------------------------- */
.tab-bar {
  position: sticky;
  top: calc(20px + 14px + 2rem + 10px + 38px + 2px); /* rough header height */
  z-index: 10;
  display: flex;
  gap: 0;
  width: var(--page-w);
  margin: 0 auto;
  border-bottom: 2px solid var(--line);
  background: rgba(35, 35, 35, 0.96);
  backdrop-filter: blur(4px);
}

.tab {
  padding: 10px 24px;
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  color: var(--ink-soft);
  font: inherit;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: color 0.12s ease, border-color 0.12s ease;
  margin-bottom: -2px;
}

.tab:hover {
  color: var(--ink);
}

.tab.active {
  color: var(--accent-yellow);
  border-bottom-color: var(--accent-yellow);
}

/* ---------------------------------------------------------------------------
   Tab content sections
--------------------------------------------------------------------------- */
.tab-content {
  display: none;
  width: var(--page-w);
  margin: 0 auto;
  padding: 20px 0 40px;
}

.tab-content.active {
  display: block;
}

/* ---------------------------------------------------------------------------
   Scripts tab — slot cards
--------------------------------------------------------------------------- */
#slot-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
  gap: 18px;
}

.slot-card {
  background: #303030;
  border: 2px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 5px 5px 0 var(--shadow);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.slot-header {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.slot-num {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
  white-space: nowrap;
}

.slot-name {
  font-weight: 700;
  color: var(--accent-yellow);
  font-size: 1.05rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.slot-desc {
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.5;
  min-height: 2.8em;
}

.slot-picker {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.slot-picker select {
  flex: 1;
  min-width: 0;
  min-height: 34px;
  border: 2px solid var(--line);
  border-radius: 11px;
  padding: 0 10px;
  font: inherit;
  font-size: 13px;
  color: var(--ink);
  background: #3a3a3a;
  cursor: pointer;
}

.slot-picker select:focus {
  outline: 3px solid rgba(255, 198, 10, 0.45);
  outline-offset: 1px;
}

.file-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 34px;
  border: 2px solid var(--line);
  border-radius: 11px;
  padding: 0 12px;
  font: inherit;
  font-size: 13px;
  color: var(--ink-soft);
  background: #3a3a3a;
  cursor: pointer;
  white-space: nowrap;
}

.file-label:hover {
  background: #4a4a4a;
}

.file-label input[type="file"] {
  display: none;
}

.slot-code {
  display: block;
  width: 100%;
  height: 280px;
  background: #111;
  color: #c8a96e;
  font-family: "Anonymous Pro", "Courier New", monospace;
  font-size: 12px;
  border: 2px solid var(--line);
  border-radius: var(--radius);
  padding: 10px 12px;
  resize: vertical;
  tab-size: 2;
  box-shadow: inset 0 2px 8px rgba(0,0,0,0.4);
}

.slot-code:focus {
  outline: 3px solid rgba(255, 198, 10, 0.45);
  outline-offset: 1px;
}

.slot-footer {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.slot-upload-btn {
  height: 36px;
  background: var(--accent-yellow);
  color: #0d0d0b;
  border: none;
  border-radius: var(--pill);
  padding: 0 18px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: opacity 0.12s ease;
}

.slot-dl-btn {
  height: 36px;
  background: #3a3a3a;
  color: var(--ink);
  border: 2px solid var(--line);
  border-radius: var(--pill);
  padding: 0 18px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: opacity 0.12s ease, background 0.12s ease;
}

.slot-dl-btn:hover { opacity: 0.88; background: #4a4a4a; }
.slot-dl-btn:disabled { opacity: 0.4; cursor: default; }

.slot-upload-btn:hover { opacity: 0.88; }
.slot-upload-btn:disabled { opacity: 0.4; cursor: default; }

.slot-status {
  color: var(--ink-soft);
  font-size: 13px;
}

.api-docs {
  margin-top: 14px;
  font-size: 13px;
}

.api-docs a {
  color: var(--accent-yellow);
}

/* ---------------------------------------------------------------------------
   Controls lock (hidden once device is synced)
--------------------------------------------------------------------------- */
.lock-banner {
  text-align: center;
  padding: 18px 20px;
  background: #303030;
  border: 2px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink-soft);
  font-size: 14px;
}

.lock-banner strong {
  color: var(--accent-yellow);
}

#tab-controls.synced .lock-banner {
  display: none;
}

#tab-controls:not(.synced) #key-banner,
#tab-controls:not(.synced) #mode-picker,
#tab-controls:not(.synced) #shared-params,
#tab-controls:not(.synced) #mode-param {
  opacity: 0.3;
  pointer-events: none;
  user-select: none;
}

/* ---------------------------------------------------------------------------
   Controls tab
--------------------------------------------------------------------------- */
#tab-controls {
  display: none;
  flex-direction: column;
  gap: 14px;
}

#tab-controls.active {
  display: flex;
}

#key-banner {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  padding: 11px 14px;
  background: #303030;
  border: 2px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 5px 5px 0 var(--shadow);
}

#key-actions {
  margin-left: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

#key-info {
  font-weight: 700;
  color: var(--ink);
}

.key-hint {
  color: var(--ink-soft);
  font-size: 13px;
}

#mode-picker {
  padding: 0;
}

#mode-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.mode-pill {
  border: 2px solid var(--line);
  border-radius: var(--pill);
  background: #343434;
  color: var(--ink);
  padding: 7px 18px;
  font: inherit;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background-color 0.12s ease;
}

.mode-pill:hover {
  transform: translateY(-1px);
  box-shadow: 0 3px 0 var(--shadow);
}

.mode-pill.active {
  background: #4a4a4a;
  box-shadow: 0 4px 0 var(--shadow);
}

#mode-desc {
  margin-top: 10px;
  max-width: 760px;
  color: var(--ink-soft);
  line-height: 1.55;
  font-size: 14px;
}

#shared-params,
#mode-param {
  background: #303030;
  border: 2px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 5px 5px 0 var(--shadow);
  padding: 12px;
  display: grid;
  gap: 10px;
}

label {
  display: grid;
  grid-template-columns: 148px 1fr auto;
  gap: 10px;
  align-items: center;
  color: var(--ink-soft);
}

label > span {
  color: var(--ink-soft);
}

label select {
  width: 100%;
  min-height: 36px;
  border: 2px solid var(--line);
  border-radius: 11px;
  padding: 0 10px;
  font: inherit;
  color: var(--ink);
  background: #3a3a3a;
}

output {
  min-width: 34px;
  text-align: right;
  color: var(--ink);
  font-weight: 700;
}

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 9px;
  border-radius: 999px;
  border: 2px solid var(--line);
  background: linear-gradient(90deg, var(--accent-yellow), #6a5520);
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #fff1bd;
  border: 2px solid var(--line);
  box-shadow: 2px 2px 0 var(--shadow);
  cursor: pointer;
}

input[type="range"]::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #fff1bd;
  border: 2px solid var(--line);
  box-shadow: 2px 2px 0 var(--shadow);
  cursor: pointer;
}

@keyframes fade-up {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ---------------------------------------------------------------------------
   Responsive
--------------------------------------------------------------------------- */
/* ---------------------------------------------------------------------------
   Firmware tab
--------------------------------------------------------------------------- */
.fw-panel {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 680px;
}

.fw-server-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: monospace;
  font-size: 0.85rem;
  color: var(--accent-yellow);
  opacity: 0.85;
}

.fw-reload-btn {
  background: none;
  border: 1px solid var(--accent-yellow);
  color: var(--accent-yellow);
  border-radius: 50%;
  width: 24px;
  height: 24px;
  font-size: 0.9rem;
  cursor: pointer;
  opacity: 0.6;
  line-height: 1;
  padding: 0;
  flex-shrink: 0;
}
.fw-reload-btn:hover { opacity: 1; }

.fw-zone {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.fw-file-label {
  display: inline-flex;
  align-items: center;
  height: 38px;
  border: 2px solid var(--line);
  border-radius: var(--pill);
  padding: 0 16px;
  font: inherit;
  font-size: 13px;
  color: var(--ink-soft);
  background: #343434;
  cursor: pointer;
  white-space: nowrap;
  gap: 8px;
}

.fw-file-label:hover {
  background: #4a4a4a;
}

.fw-file-label input[type="file"] {
  display: none;
}

.fw-flash-btn {
  height: 38px;
  background: var(--accent-yellow);
  color: #0d0d0b;
  border: none;
  border-radius: var(--pill);
  padding: 0 20px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: opacity 0.12s ease;
}

.fw-flash-btn:hover  { opacity: 0.88; }
.fw-flash-btn:disabled { opacity: 0.35; cursor: default; }

.fw-abort-btn {
  height: 38px;
  background: #3a3a3a;
  color: var(--ink);
  border: 2px solid var(--line);
  border-radius: var(--pill);
  padding: 0 20px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: opacity 0.12s ease, background 0.12s ease;
}

.fw-abort-btn:hover { background: #4a4a4a; }

.fw-progress-track {
  height: 10px;
  border-radius: var(--pill);
  border: 2px solid var(--line);
  background: #1c1c1c;
  overflow: hidden;
}

#fw-progress-bar {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--accent-yellow), #fff1bd);
  transition: width 0.2s ease;
}

.fw-status-text {
  color: var(--ink-soft);
  font-size: 13px;
  min-height: 1em;
}

.fw-note {
  font-size: 12px;
  color: #888;
  line-height: 1.6;
  border-left: 2px solid #555;
  padding-left: 10px;
}

@media (max-width: 760px) {
  :root {
    --page-w: min(980px, 100% - 22px);
  }

  h1 {
    font-size: clamp(2.3rem, 12vw, 3.4rem);
  }

  label {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  output {
    text-align: left;
  }

  #midi-bar {
    gap: 6px;
  }

  #midi-bar select,
  #midi-bar button,
  .btn-small {
    height: 36px;
    padding: 0 12px;
  }

  #key-actions {
    margin-left: 0;
    width: 100%;
  }

  #slot-cards {
    grid-template-columns: 1fr;
  }
}

.site-footer {
  text-align: center;
  padding: 1.5rem;
  font-size: 0.75rem;
  color: #555;
  letter-spacing: 0.05em;
}