/* ==========================================================================
   SMK-37 FIRMWARE STUDIO & CONVERTER
   Aesthetic: Teenage Engineering (Minimalist Industrial, Fine Lines, Monochromatic)
   ========================================================================== */

:root {
  /* Surfaces & Chassis */
  --bg-canvas: #0c0d10;
  --bg-chassis: #121317;
  --bg-module: #17181f;
  --bg-surface: #1e1f27;
  --bg-control: #0f1014;
  --bg-input: #101116;
  --bg-hover: #262833;
  --bg-active: #ffffff;
  
  /* Hairline Lines & Borders */
  --border-hairline: #262832;
  --border-subtle: #333644;
  --border-strong: #4f5366;
  --border-stark: #ffffff;

  /* Monochromatic Typography */
  --text-pure: #ffffff;
  --text-dim: #a4a9b8;
  --text-muted: #626777;
  --text-faint: #414552;

  /* Teenage Engineering Signature Accent (Microscopic indicator only) */
  --accent-dot: #ff3e00;
  --accent-active: #ffffff;

  /* Typography - Teenage Engineering DIN (OP-1 / OP-Z Aesthetic) */
  --font-mono: 'JetBrains Mono', 'Space Mono', 'SF Mono', Menlo, Monaco, monospace;
  --font-sans: 'DIN Alternate', 'DIN Condensed', 'Barlow Semi Condensed', 'Barlow', 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-din: 'DIN Alternate', 'DIN Condensed', 'Barlow Semi Condensed', 'Barlow', sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--bg-canvas);
  color: var(--text-pure);
  font-family: var(--font-sans);
  font-size: 13px;
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* --------------------------------------------------------------------------
   Header // Top Modular Chassis Bar
   -------------------------------------------------------------------------- */
header {
  background-color: var(--bg-chassis);
  border-bottom: 1px solid var(--border-hairline);
  padding: 0.75rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo-group {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.logo-badge {
  background: #ffffff;
  color: #000000;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 1.0rem;
  padding: 0.24rem 0.62rem;
  border-radius: 3px;
  letter-spacing: 0.08em;
  border: 1px solid #ffffff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  box-shadow: 0 0 12px rgba(255, 255, 255, 0.15);
}

.logo-title-group {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.logo-sub {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  text-transform: uppercase;
}

h1 {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: #ffffff;
}

h1 span {
  color: #ff3e00;
  font-weight: 800;
}

.header-vol-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 800;
  color: #ff3e00;
  background: rgba(255, 62, 0, 0.12);
  border: 1px solid rgba(255, 62, 0, 0.45);
  padding: 2px 8px;
  border-radius: 3px;
  margin-left: 0.6rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  box-shadow: 0 0 8px rgba(255, 62, 0, 0.15);
  transition: all 0.12s ease-out;
}

.header-vol-badge.vol-active {
  background: #ff3e00;
  color: #000000;
  border-color: #ff3e00;
  box-shadow: 0 0 14px rgba(255, 62, 0, 0.8);
  transform: scale(1.04);
}

/* Header Top Navigation Switcher */
.header-nav-group {
  display: flex;
  align-items: center;
  background: var(--bg-control);
  border: 1px solid var(--border-hairline);
  border-radius: 3px;
  padding: 3px;
  gap: 3px;
}

.nav-tab-btn {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.45rem 1rem;
  border-radius: 2px;
  background: transparent;
  color: var(--text-dim);
  border: 1px solid transparent;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.15s ease;
}

.nav-tab-btn:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.06);
}

.nav-tab-btn.active {
  background: #ffffff;
  color: #000000;
  border-color: #ffffff;
  font-weight: 800;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.35);
}

.nav-tab-btn.active svg {
  stroke: #000000;
}

.header-status {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem 0.85rem;
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: var(--bg-control);
  border: 1px solid var(--border-hairline);
  color: var(--text-dim);
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--text-faint);
  display: inline-block;
  flex-shrink: 0;
}

.status-dot.active,
.status-dot.ok {
  background: #00e676;
  box-shadow: 0 0 6px #00e676;
}

.status-dot.warn {
  background: #ffab00;
  box-shadow: 0 0 6px #ffab00;
}

.status-dot.error {
  background: #ff3e00;
  box-shadow: 0 0 6px #ff3e00;
}

/* Model Switcher (SMK-37 PRO / ELITE) */
.model-switch-group {
  display: inline-flex;
  align-items: center;
  background: var(--bg-control);
  border: 1px solid var(--border-hairline);
  border-radius: 3px;
  padding: 3px;
  gap: 3px;
}

.model-switch-btn {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.4rem 0.9rem;
  border-radius: 2px;
  background: transparent;
  color: var(--text-dim);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
}

.model-switch-btn:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.06);
}

.model-switch-btn.active {
  background: #ffffff;
  color: #000000;
  border-color: #ffffff;
  font-weight: 800;
}

/* --------------------------------------------------------------------------
   Buttons // Minimal Tactile TE Style
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.45rem 0.9rem;
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.15s ease;
  border: 1px solid var(--border-hairline);
  text-decoration: none;
}

.btn-primary {
  background: #ffffff;
  color: #000000;
  border-color: #ffffff;
}

.btn-primary:hover {
  background: #e2e4ea;
  border-color: #e2e4ea;
  color: #000000;
}

.btn-primary:active {
  transform: translateY(1px);
}

.btn-secondary {
  background: var(--bg-control);
  color: var(--text-pure);
  border: 1px solid var(--border-subtle);
}

.btn-secondary:hover {
  background: var(--bg-hover);
  border-color: var(--text-dim);
}

.btn-success {
  background: #ffffff;
  color: #000000;
  border: 1px solid #ffffff;
  font-weight: 800;
}

.btn-success:hover {
  background: #eaeaea;
}

.btn-sm {
  padding: 0.3rem 0.65rem;
  font-size: 0.7rem;
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none !important;
}

/* --------------------------------------------------------------------------
   Layout & Modules
   -------------------------------------------------------------------------- */
main {
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
  padding: 1.5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  flex-grow: 1;
}

/* View Modes */
#view-flasher-mapper {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  width: 100%;
}

body.mode-editor main {
  max-width: 100% !important;
  width: 100% !important;
  padding: 0 !important;
  margin: 0 !important;
  height: calc(100vh - 61px);
  overflow: hidden;
}

body.mode-editor footer {
  display: none !important;
}

#view-sound-editor {
  width: 100%;
  height: calc(100vh - 61px);
  display: flex;
  flex-direction: column;
  background: var(--bg-canvas);
}

#sound-editor-frame {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
  flex-grow: 1;
}

.card {
  background: var(--bg-chassis);
  border: 1px solid var(--border-hairline);
  border-radius: 4px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  border-bottom: 1px solid var(--border-hairline);
  padding-bottom: 1rem;
}

.card-title {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.card-title svg {
  color: var(--text-dim);
}

.card-desc {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-top: 0.25rem;
  line-height: 1.4;
}

/* --------------------------------------------------------------------------
   Configuration Forms // Technical Specs
   -------------------------------------------------------------------------- */
.config-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.form-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.form-control {
  background: var(--bg-control);
  border: 1px solid var(--border-hairline);
  color: #ffffff;
  padding: 0.55rem 0.75rem;
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  width: 100%;
  outline: none;
  transition: border-color 0.15s;
}

.form-control:focus {
  border-color: #ffffff;
}

/* --------------------------------------------------------------------------
   Firmware Catalog Grid // Cartridge Style
   -------------------------------------------------------------------------- */
.catalog-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border-hairline);
  padding-top: 1.25rem;
  margin-top: 0.5rem;
}

.catalog-title {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.firmware-catalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 0.85rem;
}

.fw-card {
  background: var(--bg-module);
  border: 1px solid var(--border-hairline);
  border-radius: 3px;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 0.75rem;
  transition: all 0.15s ease;
  position: relative;
  cursor: pointer;
}

.fw-card:hover {
  border-color: var(--border-strong);
  background: var(--bg-surface);
}

.fw-card.active {
  border-color: #ffffff;
  background: #191b22;
}

.fw-card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.5rem;
}

.fw-id-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 0.2rem;
}

.fw-title {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.fw-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--text-dim);
  display: inline-block;
}

.fw-card.active .fw-dot {
  background: #ffffff;
}

.fw-version {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-left: 0.25rem;
}

.fw-category {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.fw-desc {
  font-size: 0.75rem;
  color: var(--text-dim);
  line-height: 1.4;
  flex-grow: 1;
}

.fw-footer {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  border-top: 1px solid var(--border-hairline);
  padding-top: 0.6rem;
  margin-top: 0.25rem;
  font-family: var(--font-mono);
}

.fw-meta-row {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  font-size: 0.65rem;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.fw-meta-row strong {
  color: var(--text-pure);
}

.fw-select-btn {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.25rem 0.55rem;
  border-radius: 2px;
  background: var(--bg-control);
  color: var(--text-dim);
  border: 1px solid var(--border-hairline);
  cursor: pointer;
  transition: all 0.15s;
}

.fw-card.active .fw-select-btn {
  background: #ffffff;
  color: #000000;
  border-color: #ffffff;
  font-weight: 800;
}

.fw-status-badge {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.fw-card.active .fw-status-badge {
  color: #ffffff;
}

/* Custom GitHub Card */
.fw-card.custom-repo-card {
  border-style: dashed;
  border-color: var(--border-strong);
  background: var(--bg-control);
}

.custom-repo-input-group {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: #000000;
  border: 1px solid var(--border-hairline);
  border-radius: 2px;
  padding: 0.25rem 0.45rem;
}

.git-prefix {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 700;
}

.custom-repo-input {
  flex: 1;
  background: transparent;
  border: none;
  color: #ffffff;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  outline: none;
}

.custom-repo-actions {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  margin-top: 0.5rem;
  padding-top: 0.5rem;
  border-top: 1px dashed var(--border-hairline);
}

.btn-compile-custom {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  padding: 0.45rem 0.75rem;
  border-radius: 3px;
  background: #38bdf8;
  color: #000000;
  border: 1px solid #38bdf8;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  transition: all 0.15s ease-in-out;
}

.btn-compile-custom:hover:not(:disabled) {
  background: #7dd3fc;
  border-color: #7dd3fc;
  box-shadow: 0 0 10px rgba(56, 189, 248, 0.4);
}

.btn-compile-custom:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.custom-card-status-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
}

.custom-status-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #f59e0b;
  margin-right: 4px;
}

.custom-status-dot.ready {
  background: #22c55e;
  box-shadow: 0 0 6px #22c55e;
}

.custom-status-dot.building {
  background: #38bdf8;
  box-shadow: 0 0 6px #38bdf8;
  animation: pulse 1s infinite;
}

.custom-status-dot.error {
  background: #ef4444;
  box-shadow: 0 0 6px #ef4444;
}

/* --------------------------------------------------------------------------
   Surface Container & Tabs
   -------------------------------------------------------------------------- */
.surface-container {
  background: var(--bg-chassis);
  border: 1px solid var(--border-hairline);
  border-radius: 4px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.surface-titlebar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  border-bottom: 1px solid var(--border-hairline);
  padding-bottom: 0.85rem;
}

.surface-logo {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #ffffff;
}

.surface-logo span {
  color: var(--text-muted);
  font-weight: 400;
}

.preset-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.pill-btn {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.25rem 0.6rem;
  border-radius: 2px;
  background: var(--bg-control);
  color: var(--text-muted);
  border: 1px solid var(--border-hairline);
  cursor: pointer;
  transition: all 0.15s;
}

.pill-btn:hover {
  color: #ffffff;
  border-color: var(--border-strong);
}

.pill-btn.active {
  background: #ffffff;
  color: #000000;
  border-color: #ffffff;
  font-weight: 800;
}

/* Surface Tabs */
.surface-tabs {
  display: flex;
  gap: 0.4rem;
  border-bottom: 1px solid var(--border-hairline);
  padding-bottom: 0.75rem;
}

.surface-tab-btn {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.45rem 1rem;
  border-radius: 2px;
  background: var(--bg-control);
  color: var(--text-muted);
  border: 1px solid var(--border-hairline);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  transition: all 0.15s;
}

.surface-tab-btn:hover {
  color: #ffffff;
  border-color: var(--border-strong);
}

.surface-tab-btn.active {
  background: #ffffff;
  color: #000000;
  border-color: #ffffff;
  font-weight: 800;
}

/* --------------------------------------------------------------------------
   Hardware Controls // Knobs & Faders (Schematic Minimal TE)
   -------------------------------------------------------------------------- */
.section-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 0.75rem;
}

.hardware-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-bottom: 1.25rem;
}

/* 8x Knobs (Minimalist TE Module Cards) */
.knobs-grid {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 0.65rem;
}

@media (max-width: 1100px) {
  .knobs-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 600px) {
  .knobs-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.knob-item {
  background: var(--bg-module);
  border: 1px solid var(--border-hairline);
  border-radius: 3px;
  padding: 0.65rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  transition: border-color 0.15s;
}

.knob-item:hover {
  border-color: var(--border-strong);
}

.knob-mid-row {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  padding: 0.2rem 0 0.3rem;
}

.knob-smk-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--text-pure);
  line-height: 1;
}

.knob-smk-svg {
  display: block;
  flex-shrink: 0;
  transition: transform 0.15s ease;
}

.knob-item:hover .knob-smk-svg {
  transform: scale(1.05);
}

.knob-select {
  width: 100%;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  background: var(--bg-control);
  color: #ffffff;
  border: 1px solid var(--border-hairline);
  border-radius: 2px;
  padding: 0.25rem 0.25rem;
  outline: none;
}

.knob-select:focus {
  border-color: #ffffff;
}

/* 4x Faders */
.faders-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.65rem;
  background: var(--bg-module);
  border: 1px solid var(--border-hairline);
  padding: 1rem;
  border-radius: 3px;
}

.fader-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.45rem;
}

.fader-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: #ffffff;
}

.fader-track {
  width: 32px;
  height: 72px;
  position: relative;
  display: flex;
  justify-content: center;
}

.fader-scale {
  position: absolute;
  left: 2px;
  top: 0;
  bottom: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.5rem;
  color: var(--text-faint);
  line-height: 1;
}

.fader-slot {
  width: 6px;
  height: 72px;
  background: #090a0d;
  border: 1px solid var(--border-hairline);
  border-radius: 1px;
  position: relative;
}

.fader-cap {
  position: absolute;
  left: -12px;
  width: 28px;
  height: 14px;
  background: #20222a;
  border: 1px solid var(--border-strong);
  border-radius: 1px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.6);
}

.fader-notch {
  width: 14px;
  height: 1px;
  background: #ffffff;
}

.fader-select {
  width: 100%;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  background: var(--bg-control);
  color: #ffffff;
  border: 1px solid var(--border-hairline);
  border-radius: 2px;
  padding: 0.25rem 0.2rem;
  outline: none;
}

.fader-select:focus {
  border-color: #ffffff;
}

/* --------------------------------------------------------------------------
   18 Physical Buttons // OP-1 Chiclet Keycaps
   -------------------------------------------------------------------------- */
.buttons-section {
  margin-bottom: 0.5rem;
}

.buttons-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0.65rem;
}

@media (max-width: 900px) {
  .buttons-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.btn-card {
  background: var(--bg-module);
  border: 1px solid var(--border-hairline);
  border-radius: 3px;
  padding: 0.65rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  transition: border-color 0.15s;
}

.btn-card:hover {
  border-color: var(--border-strong);
}

.btn-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.btn-idx {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.08em;
}

.btn-led-indicator {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--text-faint);
  display: inline-block;
}

.btn-led-indicator.on {
  background: #ffffff;
  box-shadow: 0 0 4px #ffffff;
}

.btn-name {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: #ffffff;
  text-transform: uppercase;
}

.btn-select {
  width: 100%;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  background: var(--bg-control);
  color: #ffffff;
  border: 1px solid var(--border-hairline);
  border-radius: 2px;
  padding: 0.25rem 0.25rem;
  outline: none;
}

.btn-select:focus {
  border-color: #ffffff;
}

/* --------------------------------------------------------------------------
   MIDI Controller Section // Channels & CC Assignment
   -------------------------------------------------------------------------- */
.midi-mapper-block {
  border-top: 1px solid var(--border-hairline);
  padding-top: 1.35rem;
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
}

.midi-mapper-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  border-bottom: 1px solid var(--border-hairline);
  padding-bottom: 0.5rem;
}

.midi-channels-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.65rem;
}

@media (max-width: 900px) {
  .midi-channels-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.midi-ch-card {
  background: var(--bg-module);
  border: 1px solid var(--border-hairline);
  border-radius: 3px;
  padding: 0.65rem 0.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.midi-ch-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #ffffff;
  white-space: nowrap;
}

.midi-ch-card .knob-select {
  width: 90px;
  text-align: center;
  font-weight: 700;
}

.midi-sub-block {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.midi-sub-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.midi-sub-title {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  color: var(--text-dim);
  text-transform: uppercase;
}

.bank-toggle-group {
  display: inline-flex;
  background: var(--bg-module);
  border: 1px solid var(--border-hairline);
  border-radius: 2px;
  padding: 2px;
  gap: 2px;
}

.bank-toggle-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 0.22rem 0.55rem;
  border-radius: 1px;
  cursor: pointer;
  transition: all 0.12s;
}

.bank-toggle-btn:hover {
  color: #ffffff;
}

.bank-toggle-btn.active {
  background: #ffffff;
  color: #000000;
}

.midi-cc-row-8 {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 0.65rem;
}

@media (max-width: 1100px) {
  .midi-cc-row-8 {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 600px) {
  .midi-cc-row-8 {
    grid-template-columns: repeat(2, 1fr);
  }
}

.midi-cc-card {
  background: var(--bg-module);
  border: 1px solid var(--border-hairline);
  border-radius: 3px;
  padding: 0.55rem 0.65rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  transition: border-color 0.15s;
}

.midi-cc-card:hover {
  border-color: var(--border-strong);
}

.midi-cc-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.midi-cc-name {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: #ffffff;
}

.midi-cc-tag {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--text-muted);
  letter-spacing: 0.06em;
}

.midi-cc-field {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  color: var(--text-dim);
}

.midi-num-input {
  width: 100%;
  background: var(--bg-control);
  border: 1px solid var(--border-hairline);
  color: #ffffff;
  border-radius: 2px;
  padding: 0.22rem 0.3rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  text-align: center;
  outline: none;
}

.midi-num-input:focus {
  border-color: #ffffff;
}

/* --------------------------------------------------------------------------
   Code Generation Panel // C Header Box
   -------------------------------------------------------------------------- */
.build-panel {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.code-viewer {
  background: #08090b;
  border: 1px solid var(--border-hairline);
  border-radius: 2px;
  padding: 1rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.6;
  color: var(--text-dim);
  max-height: 240px;
  overflow-y: auto;
  white-space: pre;
}

.build-actions-box {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

/* --------------------------------------------------------------------------
   Web MIDI Flasher // Clean Industrial Transfer
   -------------------------------------------------------------------------- */
.flasher-panel {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.device-card {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-module);
  border: 1px solid var(--border-hairline);
  border-radius: 3px;
  padding: 1rem 1.25rem;
}

.device-info {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.device-icon {
  width: 36px;
  height: 36px;
  border-radius: 2px;
  background: var(--bg-control);
  border: 1px solid var(--border-hairline);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
}

.device-name {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  color: #ffffff;
}

.device-meta {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
}

/* Frameless Right-to-Left Expanding Badge Progress Bar */
.flash-progress-wrapper {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.flash-progress-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.flash-status-text {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex-shrink: 0;
}

.flash-progress-track {
  flex: 1;
  max-width: 50%;
  margin: 0 0 0 auto;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  background: transparent;
  border: none;
  padding: 0;
}

.flash-progress-fill {
  width: 0%;
  min-width: max-content;
  background: #ffffff;
  color: #000000;
  padding: 0.15rem 0.5rem;
  border-radius: 2px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  transition: width 0.2s linear;
}

.flash-percent-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: #000000;
  white-space: nowrap;
}

.flash-controls-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 0.35rem;
}

#flash-detail-text {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
}

.btn-toggle-log {
  background: transparent;
  border: 1px solid var(--border-hairline);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.25rem 0.6rem;
  border-radius: 2px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  transition: all 0.15s;
}

.btn-toggle-log:hover {
  color: #ffffff;
  border-color: var(--border-strong);
}

/* Technical Log Terminal */
.install-log-container {
  background: #08090b;
  border: 1px solid var(--border-hairline);
  border-radius: 2px;
  overflow: hidden;
}

.install-log-container.is-hidden {
  display: none;
}

.log-titlebar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.45rem 0.85rem;
  background: #101115;
  border-bottom: 1px solid var(--border-hairline);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.log-pulse {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #ffffff;
  display: inline-block;
}

.log-clear-btn {
  background: transparent;
  border: 1px solid var(--border-hairline);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  padding: 0.15rem 0.5rem;
  border-radius: 2px;
  cursor: pointer;
}

.log-clear-btn:hover {
  color: #ffffff;
  border-color: var(--border-strong);
}

.install-log-box {
  padding: 0.85rem;
  height: 180px;
  max-height: 180px;
  overflow-y: auto;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.5;
  color: var(--text-dim);
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.log-line { word-break: break-all; }
.log-line.info { color: #8a8f9f; }
.log-line.cmd { color: #ffffff; font-weight: 600; }
.log-line.progress { color: #c5c8d4; }
.log-line.success { color: #ffffff; font-weight: 700; }
.log-line.warning { color: #ffffff; text-decoration: underline; }
.log-line.error { color: #ff3e00; font-weight: 700; }

/* --------------------------------------------------------------------------
   Alerts // Minimal Clean Frames
   -------------------------------------------------------------------------- */
.alert {
  padding: 0.75rem 1rem;
  border-radius: 2px;
  font-size: 0.75rem;
  display: flex;
  gap: 0.65rem;
  align-items: flex-start;
  border: 1px solid var(--border-hairline);
  background: var(--bg-module);
  color: var(--text-dim);
}

.alert strong {
  color: #ffffff;
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.alert-info, .alert-warning {
  border-color: var(--border-subtle);
}

.alert svg {
  color: var(--text-dim);
  flex-shrink: 0;
  margin-top: 2px;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
footer {
  text-align: center;
  padding: 1.75rem 2rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  border-top: 1px solid var(--border-hairline);
  margin-top: auto;
  background: var(--bg-chassis);
}

/* --------------------------------------------------------------------------
   SMK-37 Studio Specific: Firmware Dropzone & Cards
   -------------------------------------------------------------------------- */
.upload-dropzone {
  border: 2px dashed var(--border-subtle);
  border-radius: 6px;
  background: var(--bg-control);
  padding: 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
}
.upload-dropzone:hover, .upload-dropzone.dragover {
  border-color: #00f0ff;
  background: rgba(0, 240, 255, 0.05);
}
.upload-dropzone svg {
  color: #00f0ff;
}
.upload-dropzone-title {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: 0.05em;
}
.upload-dropzone-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
}
.uploaded-file-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(0, 240, 255, 0.15);
  border: 1px solid #00f0ff;
  color: #00f0ff;
  padding: 0.35rem 0.8rem;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
}
.fw-card-selected {
  border-color: #ffffff !important;
}

/* --------------------------------------------------------------------------
   Editor Version Bar (Auto-detection & Switcher)
   -------------------------------------------------------------------------- */
.editor-version-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 16px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-hairline);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  z-index: 10;
}
.editor-ver-left {
  display: flex;
  align-items: center;
  gap: 12px;
}
.editor-ver-title {
  color: var(--text-muted);
  letter-spacing: 0.08em;
  font-weight: 700;
}
.editor-ver-group {
  display: inline-flex;
  align-items: center;
  background: var(--bg-control);
  border: 1px solid var(--border-hairline);
  border-radius: 3px;
  padding: 2px;
  gap: 3px;
}
.editor-ver-btn {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 0.35rem 0.8rem;
  border-radius: 2px;
  background: transparent;
  color: var(--text-dim);
  border: 1px solid transparent;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.15s ease;
}
.editor-ver-btn:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.06);
}
.editor-ver-btn.active {
  background: #ffffff;
  color: #000000;
  border-color: #ffffff;
  font-weight: 800;
}
.editor-ver-btn .ver-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-muted);
}
.editor-ver-btn.active .ver-dot {
  background: #000000;
}
.editor-ver-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0.25rem 0.65rem;
  border-radius: 3px;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  background: rgba(0, 240, 255, 0.12);
  border: 1px solid rgba(0, 240, 255, 0.35);
  color: #00f0ff;
}
.editor-ver-pill.legacy {
  background: rgba(255, 170, 0, 0.12);
  border-color: rgba(255, 170, 0, 0.35);
  color: #ffaa00;
}