/* ========================================================
   RACK4MASTER·AUTO  —  style.css
   ======================================================== */

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

:root {
  --bg:      #09090e;
  --panel:   #0e0f18;
  --panel2:  #121320;
  --border:  #1c1d30;
  --border2: #282a42;
  --amber:   #ffaa00;
  --amber2:  #ff7700;
  --green:   #00ffa3;
  --blue:    #4499ff;
  --red:     #ff3355;
  --text:    #c8ccec;
  --label:   #b2b6d2;
  --dim:     #555878;
  --bright:  #eef0ff;
  --mono:    'Share Tech Mono', 'Courier New', monospace;
  --sans:    'Barlow Condensed', sans-serif;
}

/* ---- Base ---- */
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--mono);
  font-size: 14px;
  padding: 20px;
  min-height: 100vh;
}
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    repeating-linear-gradient(0deg,  transparent, transparent 39px, rgba(255,170,0,.012) 40px),
    repeating-linear-gradient(90deg, transparent, transparent 39px, rgba(255,170,0,.012) 40px);
}

#app { max-width: 1100px; margin: auto; position: relative; z-index: 1; }

/* ---- Header ---- */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 18px;
}
.app-title {
  font-family: 'Orbitron', monospace;
  font-weight: 900;
  font-size: 1.72rem;
  letter-spacing: .06em;
  color: var(--amber);
  text-shadow: 0 0 28px rgba(255,170,0,.35);
}
.app-title .sep { color: var(--border2); }
.app-title .ref { font-size: .55em; color: var(--bright); opacity: .7; }
.app-sub { font-size: .82rem; letter-spacing: .18em; color: var(--label); }

.status-bar { display: flex; align-items: center; gap: 12px; font-size: .74rem; color: var(--dim); }
.s-led { width: 7px; height: 7px; border-radius: 50%; background: var(--dim); transition: .25s; }
.s-led.on { background: var(--amber); box-shadow: 0 0 9px var(--amber); }
.s-led.ok { background: var(--green); box-shadow: 0 0 9px var(--green); }

/* ---- Hamburger menu ---- */
.header-right { display: flex; align-items: center; gap: 14px; }

.menu-wrap { position: relative; }

.hamburger {
  background: transparent;
  border: 1px solid var(--border2);
  color: var(--text);
  font-size: 1.1rem;
  line-height: 1;
  padding: 6px 11px;
  border-radius: 2px;
  cursor: pointer;
  font-family: var(--mono);
  transition: .13s;
}
.hamburger:hover { border-color: var(--amber); color: var(--amber); }

.ham-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  background: var(--panel);
  border: 1px solid var(--border2);
  border-top: 2px solid var(--amber);
  border-radius: 2px;
  min-width: 170px;
  z-index: 9998;
  box-shadow: 0 8px 28px rgba(0,0,0,.6);
}
.ham-menu.hidden { display: none; }

.ham-item {
  display: block;
  padding: 10px 16px;
  font-family: var(--sans);
  font-size: .84rem;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--text);
  text-decoration: none;
  transition: .13s;
}
.ham-item:hover { color: var(--amber); background: rgba(255,170,0,.06); }

.ham-sep { border-top: 1px solid var(--border); margin: 4px 0; }

.ham-lang-label {
  padding: 6px 16px 4px;
  font-family: var(--sans);
  font-size: .7rem;
  letter-spacing: .22em;
  color: var(--dim);
  text-transform: uppercase;
}

.ham-lang { display: flex; gap: 6px; padding: 6px 12px 12px; }

.lang-btn {
  font-family: var(--mono);
  font-size: .76rem;
  letter-spacing: .1em;
  background: transparent;
  border: 1px solid var(--border2);
  color: var(--dim);
  padding: 5px 10px;
  border-radius: 2px;
  cursor: pointer;
  transition: .13s;
  flex: 1;
}
.lang-btn:hover { border-color: var(--amber); color: var(--amber); }
.lang-btn.active { border-color: var(--amber); color: var(--amber); background: rgba(255,170,0,.08); }

/* ---- Rack panels ---- */
.rack {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 3px;
  margin-bottom: 16px;
  border-top: 3px solid var(--green);
}
.rack-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 20px;
  background: var(--panel2);
  border-bottom: 1px solid var(--border);
  font-family: var(--sans);
  font-size: .78rem;
  letter-spacing: .22em;
  text-transform: uppercase;
}
.rack-body { padding: 12px 18px 14px; }

/* ---- LEDs ---- */
.led { width: 7px; height: 7px; border-radius: 50%; background: #3a0010; border: 1px solid #400010; }
.led.loaded { background: var(--amber); box-shadow: 0 0 5px rgba(255,170,0,.5); }
.led.playing { background: var(--green); box-shadow: 0 0 9px var(--green); }

.track-info {
  margin-left: auto;
  font-family: var(--mono);
  font-size: .68rem;
  color: var(--dim);
  max-width: 420px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ---- Waveform / Spectrum ---- */
.wave-drop {
  position: relative;
  border: 1px solid var(--border);
  border-radius: 2px 2px 0 0;
  background: #060609;
  cursor: pointer;
  transition: border-color .2s, box-shadow .2s;
}
.wave-drop.loaded  { cursor: default; }
.wave-drop.drag-over {
  border-color: var(--amber) !important;
  box-shadow: 0 0 0 2px rgba(255,170,0,.22), inset 0 0 20px rgba(255,170,0,.06);
}
.wave-drop canvas { display: block; width: 100%; height: 90px; }
.wave-hint {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .7rem;
  letter-spacing: .18em;
  color: var(--dim);
  pointer-events: none;
}
.wave-drop.loaded .wave-hint { display: none; }

.spec-wrap {
  border: 1px solid var(--border);
  border-top: none;
  border-radius: 0 0 2px 2px;
  background: #040508;
  margin-bottom: 11px;
}
.spec-wrap canvas { display: block; width: 100%; height: 66px; }

/* ---- Seek bar ---- */
.seek-wrap {
  padding: 0;
  background: #060609;
  border: 1px solid var(--border);
  border-top: none;
  margin-bottom: 11px;
}
.seek-bar {
  width: 100%;
  height: 4px;
  -webkit-appearance: none;
  appearance: none;
  background: var(--border2);
  display: block;
  cursor: pointer;
  outline: none;
  border: none;
}
.seek-bar::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--amber);
  cursor: pointer;
  box-shadow: 0 0 6px rgba(255,170,0,.5);
}
.seek-bar.out-seek::-webkit-slider-thumb {
  background: var(--green);
  box-shadow: 0 0 6px rgba(0,255,163,.5);
}
.seek-time {
  display: flex;
  justify-content: space-between;
  padding: 2px 8px 3px;
  font-size: .63rem;
  color: var(--dim);
  font-family: var(--mono);
}

/* ---- Buttons ---- */
.btn {
  font-family: var(--sans);
  font-size: .84rem;
  font-weight: 700;
  letter-spacing: .14em;
  background: transparent;
  border: 1px solid var(--border2);
  color: var(--text);
  padding: 7px 16px;
  border-radius: 2px;
  cursor: pointer;
  transition: .13s;
}
.btn:hover { border-color: var(--dim); color: var(--bright); }
.btn-green { border-color: var(--green); color: var(--green); }
.btn-green:hover { background: var(--green); color: #000; }
.btn-amber { border-color: var(--amber2); color: var(--amber); }
.btn-amber:hover { background: var(--amber); color: #000; }
.btn-dl { border-color: var(--blue); color: var(--blue); }
.btn-dl:hover { background: var(--blue); color: #000; }
.btn-preset { border-color: #9966ff; color: #9966ff; }
.btn-preset:hover { background: #9966ff; color: #000; }
.btn-gray { border-color: var(--border2); color: var(--dim); }
.btn-gray:hover { border-color: var(--dim); color: var(--text); }
.btn-red { border-color: var(--red); color: var(--red); }
.btn-red:hover { background: var(--red); color: #000; }
.btn:disabled { opacity: .3; cursor: not-allowed; }
.btn-loop-active {
  border-color: var(--green) !important;
  color: var(--green) !important;
  background: rgba(0,255,163,.08) !important;
}

/* A/B two-button selector */
.ab-group {
  display: inline-flex;
  border: 1px solid var(--border2);
  border-radius: 2px;
  overflow: hidden;
}
.btn-ab-sel {
  background: transparent;
  border: none;
  color: var(--dim);
  font-family: var(--mono);
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .12em;
  padding: 7px 14px;
  cursor: pointer;
  transition: .13s;
}
.btn-ab-sel + .btn-ab-sel { border-left: 1px solid var(--border2); }
.btn-ab-sel:hover { color: var(--text); background: rgba(255,255,255,.05); }
.btn-ab-sel.ab-a-active { color: var(--amber); background: rgba(255,170,0,.12); }
.btn-ab-sel.ab-b-active { color: var(--green); background: rgba(0,255,163,.10); }

/* Monitoring status badge */
.mon-status {
  font-family: var(--sans);
  font-size: .76rem;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--dim);
  align-self: center;
  padding: 0 4px;
  transition: color .2s;
}
.mon-status.mon-a { color: var(--amber); }
.mon-status.mon-b { color: var(--green); }

/* ---- Analyze button ---- */
.analyze-zone { text-align: center; padding: 8px 0 16px; }
.btn-analyze {
  font-family: var(--sans);
  font-size: 1.18rem;
  font-weight: 700;
  letter-spacing: .22em;
  background: linear-gradient(135deg, var(--amber2), var(--amber));
  color: #000;
  border: none;
  border-radius: 3px;
  padding: 14px 48px;
  cursor: pointer;
  box-shadow: 0 2px 22px rgba(255,170,0,.3);
  transition: .2s;
}
.btn-analyze:hover { transform: translateY(-1px); box-shadow: 0 6px 28px rgba(255,170,0,.55); }

/* ---- Modules grid ---- */
.modules-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
@media (max-width: 600px) { .modules-row { grid-template-columns: 1fr; } }

.module { background: #09090e; border: 1px solid var(--border); border-radius: 2px; padding: 14px; }
.mod-title {
  font-family: var(--sans);
  font-size: .8rem;
  letter-spacing: .24em;
  color: var(--amber);
  text-transform: uppercase;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 6px;
}

/* ---- Sliders ---- */
.slider-row { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.slider-row label {
  width: 130px;
  flex-shrink: 0;
  font-family: var(--sans);
  font-size: .84rem;
  font-weight: 600;
  color: var(--label);
  text-align: right;
}
.slider-row input {
  flex: 1;
  height: 3px;
  -webkit-appearance: none;
  background: var(--border2);
  border-radius: 2px;
}
.slider-row input::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--amber);
  cursor: pointer;
}
.sval { width: 72px; text-align: right; font-family: var(--mono); font-size: .8rem; color: var(--bright); }

/* ---- Transport / action rows ---- */
.transport { display: flex; gap: 8px; }
.action-row { display: flex; gap: 12px; padding: 14px 0 6px; flex-wrap: wrap; justify-content: flex-end; }

/* ---- Badges ---- */
.live-badge {
  font-size: .68rem;
  color: var(--green);
  background: rgba(0,255,163,.07);
  border: 1px solid rgba(0,255,163,.2);
  padding: 3px 9px;
  border-radius: 2px;
}

/* ---- Analysis table ---- */
.atbl { width: 100%; border-collapse: collapse; margin-top: 10px; font-size: .75rem; }
.atbl th { background: #0a0b12; color: var(--amber); padding: 7px 10px; text-align: left; font-family: var(--sans); border-bottom: 1px solid var(--border2); }
.atbl td { padding: 6px 10px; border-bottom: 1px solid var(--border); font-family: var(--mono); }
.atbl .cat-row td { background: var(--panel2); color: var(--dim); font-family: var(--sans); letter-spacing: .2em; padding: 5px 10px; }

/* ---- Modal ---- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.85);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
}
.modal-overlay.hidden { display: none; }
.modal-box {
  background: var(--panel);
  border: 1px solid var(--border2);
  border-top: 3px solid var(--red);
  border-radius: 3px;
  padding: 28px 32px;
  max-width: 400px;
}
.modal-title { font-family: var(--sans); font-weight: 900; color: var(--red); text-transform: uppercase; margin-bottom: 10px; }
.modal-msg { font-size: .8rem; margin-bottom: 24px; line-height: 1.6; white-space: pre-line; }
.modal-btns { display: flex; gap: 12px; justify-content: flex-end; }

/* ---- Footer ---- */
.app-footer {
  margin-top: 22px;
  padding: 14px 0;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  font-size: .7rem;
  color: var(--dim);
}

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 4px; height: 4px; }