/* ============================================================================
   RACK SKIN — Re-Production Studio (§247c)
   ----------------------------------------------------------------------------
   A purely additive visual layer that turns the studio into studio hardware:
   metal chassis, LED step lamps, push-buttons, recessed wells and a phosphor
   waveform display.

   RULES OF ENGAGEMENT
   - This file is loaded LAST. It never renames an id or class.
   - It never changes display/visibility of interactive elements.
   - It never touches layout order, only surfaces, colour, depth and type.
   - Anything that could affect hit-testing is left alone.
   ============================================================================ */

/* ---------------------------------------------------------------------------
   1. TOKENS
   --------------------------------------------------------------------------- */
:root{
  --rk-metal-1:#252a34;
  --rk-metal-2:#1b1f27;
  --rk-metal-3:#14171d;
  --rk-edge:#0a0c10;
  --rk-hi:rgba(255,255,255,.075);
  --rk-hi-2:rgba(255,255,255,.035);
  --rk-lo:rgba(0,0,0,.55);
  --rk-led-off:#333a46;
  --rk-phos:#35ff9e;
  --rk-phos-dim:#1f6b45;
  --rk-amber:#ff6b35;
  --rk-screen-1:#080b0e;
  --rk-screen-2:#0d1116;
  --rk-groove:rgba(0,0,0,.42);
}

/* ---------------------------------------------------------------------------
   2. BASE / BENCH
   --------------------------------------------------------------------------- */
body{
  background:
    radial-gradient(1200px 620px at 50% -12%, #1b2029 0%, rgba(15,17,21,0) 62%),
    radial-gradient(900px 500px at 92% 6%, rgba(255,107,53,.05), transparent 60%),
    #0b0d11;
  background-attachment: fixed;
}

/* The bench: a faint brushed-metal texture behind everything. */
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  opacity:.5;
  background:
    repeating-linear-gradient(90deg, rgba(255,255,255,.014) 0 1px, transparent 1px 3px),
    repeating-linear-gradient(0deg, rgba(0,0,0,.10) 0 1px, transparent 1px 4px);
  mix-blend-mode:overlay;
}
body > *{ position:relative; z-index:1; }

/* ---------------------------------------------------------------------------
   3. CHASSIS — every .panel becomes a milled metal faceplate
   --------------------------------------------------------------------------- */
section.panel{
  position:relative;
  background:
    linear-gradient(180deg, #2b313c 0%, #22272f 8%, #1b1f27 46%, #15181e 82%, #12151a 100%);
  border:1px solid #07090c;
  border-radius:16px;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.10),
    inset 0 2px 0 rgba(255,255,255,.03),
    inset 0 -1px 0 rgba(0,0,0,.75),
    inset 1px 0 0 rgba(255,255,255,.025),
    inset -1px 0 0 rgba(0,0,0,.4),
    0 1px 0 rgba(255,255,255,.04),
    0 22px 50px -20px rgba(0,0,0,.9),
    0 3px 8px rgba(0,0,0,.55);
}
/* corner screws — four machined fasteners */
section.panel::before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  border-radius:16px;
  background:
    radial-gradient(circle at 13px 13px, #4a5262 0 3.2px, #1b1f27 3.6px, transparent 4.6px),
    radial-gradient(circle at calc(100% - 13px) 13px, #4a5262 0 3.2px, #1b1f27 3.6px, transparent 4.6px),
    radial-gradient(circle at 13px calc(100% - 13px), #4a5262 0 3.2px, #1b1f27 3.6px, transparent 4.6px),
    radial-gradient(circle at calc(100% - 13px) calc(100% - 13px), #4a5262 0 3.2px, #1b1f27 3.6px, transparent 4.6px);
  opacity:.85;
}
/* top edge highlight strip */
section.panel::after{
  content:"";
  position:absolute;
  left:18px; right:18px; top:0;
  height:1px;
  background:linear-gradient(90deg, transparent, rgba(255,255,255,.22), transparent);
  pointer-events:none;
  border-radius:16px 16px 0 0;
}

/* Sub-cards inside a panel get a shallower, recessed treatment. */
.rp-section,
.sa-block,
.mx-card,
.vc-card,
.tk-step{
  background:linear-gradient(180deg, rgba(255,255,255,.035), rgba(0,0,0,.18));
  border:1px solid rgba(0,0,0,.55);
  border-radius:12px;
  box-shadow:inset 0 1px 0 var(--rk-hi-2), inset 0 -1px 0 rgba(0,0,0,.4);
}

/* Panel headings read like silkscreened legends. */
section.panel > h2,
section.panel > h3,
section.panel h2.section-title{
  letter-spacing:.02em;
}
section.panel h2 .step-num{
  background:linear-gradient(180deg,#3a4150,#20242c);
  border:1px solid var(--rk-edge);
  box-shadow:inset 0 1px 0 var(--rk-hi), 0 1px 2px rgba(0,0,0,.6);
  color:var(--rk-phos);
}

/* ---------------------------------------------------------------------------
   4. THE STEP RAIL — hardware buttons with LED lamps
   --------------------------------------------------------------------------- */
.flow-progress{
  background:linear-gradient(180deg,#20252f 0%, #171a21 55%, #12151a 100%);
  border:1px solid var(--rk-edge);
  border-radius:14px;
  box-shadow:
    inset 0 1px 0 var(--rk-hi),
    inset 0 -1px 0 rgba(0,0,0,.7),
    0 10px 30px -12px rgba(0,0,0,.9);
  padding:12px 14px 10px;
}
.flow-progress-head h2{
  font-size:11px;
  font-weight:800;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:#868f9d;
}
.flow-progress-head .flow-sub{
  font-size:10px;
  font-weight:700;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:#868f9d;
}

.flow-steps{ gap:8px; }

/* Each step is a raised metal key. */
.flow-step{
  flex-direction:row;
  justify-content:center;
  align-items:center;
  gap:8px;
  min-width:0;
  padding:9px 12px;
  border-radius:9px;
  background:linear-gradient(180deg,#242935 0%, #1a1e26 100%);
  border:1px solid var(--rk-edge);
  box-shadow:
    inset 0 1px 0 var(--rk-hi),
    inset 0 -1px 0 rgba(0,0,0,.55),
    0 2px 4px rgba(0,0,0,.5);
  color:#8b93a1;
  font-size:9.5px;
  font-weight:800;
  letter-spacing:.13em;
  text-transform:uppercase;
  transition:color .16s ease, box-shadow .16s ease, border-color .16s ease, transform .08s ease;
}
/* kill the old connector line — the keys now sit in a row like a rack */
.flow-step::before{ display:none !important; }

.flow-step .flow-label{
  font-size:9.5px;
  font-weight:800;
  letter-spacing:.13em;
  max-width:none;
  white-space:nowrap;
}

/* the number becomes an LED lamp */
.flow-step .flow-dot{
  width:7px;
  height:7px;
  min-width:7px;
  border-radius:50%;
  font-size:0;
  line-height:0;
  overflow:hidden;
  background:var(--rk-led-off);
  border:1px solid #0a0c10;
  color:transparent;
  box-shadow:inset 0 1px 1px rgba(255,255,255,.12), inset 0 -1px 1px rgba(0,0,0,.6);
  transition:background .18s ease, box-shadow .18s ease;
}

.flow-step:hover{
  color:#c9d1d9;
  border-color:#2f3644;
}
.flow-step:hover .flow-dot{
  background:#4a5464;
  border-color:#0a0c10;
}

.flow-step.done{
  color:#9aa0ac;
}
.flow-step.done .flow-dot{
  background:var(--rk-phos);
  border-color:#0a2a1c;
  box-shadow:0 0 8px rgba(53,255,158,.85), 0 0 2px rgba(53,255,158,.9);
}

.flow-step.active{
  color:#fff;
  background:linear-gradient(180deg,#3d2b22 0%, #261a14 100%);
  border-color:#5c2f1c;
  box-shadow:
    inset 0 1px 0 rgba(255,150,90,.22),
    inset 0 -1px 0 rgba(0,0,0,.6),
    0 0 0 1px rgba(255,107,53,.32),
    0 0 22px -4px rgba(255,107,53,.55),
    0 2px 6px rgba(0,0,0,.55);
}
.flow-step.active .flow-dot{
  background:var(--rk-amber);
  border-color:#4a1c08;
  box-shadow:0 0 10px rgba(255,107,53,.95), 0 0 3px rgba(255,107,53,1);
}
.flow-step.active:hover{ color:#fff; }

.flow-step.locked{ opacity:.5; }

/* ---------------------------------------------------------------------------
   5. CONTROLS — push-buttons, ghost keys, recessed wells
   --------------------------------------------------------------------------- */
/* generic secondary key */
.sr-btn,
.sa-mini,
.mx-btn,
.vc-btn,
.rp-btn,
.btn,
button.ghost,
.mini{
  border-radius:8px;
  border:1px solid var(--rk-edge);
  background:linear-gradient(180deg,#252a35 0%, #1a1e26 100%);
  box-shadow:
    inset 0 1px 0 var(--rk-hi),
    inset 0 -1px 0 rgba(0,0,0,.5),
    0 2px 4px rgba(0,0,0,.45);
  color:#a8b0bd;
  font-weight:800;
  letter-spacing:.06em;
  transition:background .14s ease, box-shadow .14s ease, color .14s ease, transform .06s ease;
}
.sr-btn:hover,
.sa-mini:hover,
.mx-btn:hover,
.vc-btn:hover,
.rp-btn:hover,
.btn:hover,
button.ghost:hover,
.mini:hover{
  background:linear-gradient(180deg,#2c323e 0%, #1f242d 100%);
  color:#e8eaed;
  border-color:#343b49;
}
.sr-btn:active,
.sa-mini:active,
.mx-btn:active,
.vc-btn:active,
.rp-btn:active,
.btn:active,
button.ghost:active,
.mini:active{
  transform:translateY(1px);
  box-shadow:inset 0 2px 5px rgba(0,0,0,.7), inset 0 -1px 0 rgba(255,255,255,.03);
}

/* primary key = the orange one */
.primary,
.sr-btn.primary,
.mx-btn.primary,
.rp-btn.primary,
.btn.primary,
.vc-btn.primary{
  background:linear-gradient(180deg,#ffb08a 0%, #ff7a45 48%, #ef5a24 100%);
  border-color:#7a2d0f;
  color:#1a0e07;
  text-shadow:0 1px 0 rgba(255,255,255,.28);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.5),
    inset 0 -2px 0 rgba(120,40,10,.45),
    0 6px 18px -6px rgba(255,107,53,.75),
    0 2px 4px rgba(0,0,0,.4);
}
.primary:hover,
.sr-btn.primary:hover,
.mx-btn.primary:hover,
.rp-btn.primary:hover,
.btn.primary:hover,
.vc-btn.primary:hover{
  background:linear-gradient(180deg,#ffc3a4 0%, #ff8a5a 48%, #ff6b35 100%);
  color:#1a0e07;
  border-color:#8a3312;
}
.primary:active,
.sr-btn.primary:active,
.mx-btn.primary:active,
.rp-btn.primary:active,
.btn.primary:active,
.vc-btn.primary:active{
  box-shadow:inset 0 3px 8px rgba(90,25,0,.55), inset 0 -1px 0 rgba(255,255,255,.2);
}

/* recessed wells for text fields and selects */
input[type="text"],
input[type="number"],
input[type="search"],
input[type="email"],
input[type="password"],
textarea,
select{
  background:linear-gradient(180deg,#0c0f13 0%, #12161c 100%) !important;
  border:1px solid #05070a !important;
  border-radius:8px !important;
  box-shadow:
    inset 0 2px 5px rgba(0,0,0,.85),
    inset 0 -1px 0 rgba(255,255,255,.04),
    0 1px 0 rgba(255,255,255,.05);
  color:#dfe4ea !important;
}
input:focus,
textarea:focus,
select:focus{
  outline:none !important;
  border-color:rgba(255,107,53,.55) !important;
  box-shadow:
    inset 0 2px 5px rgba(0,0,0,.85),
    0 0 0 3px rgba(255,107,53,.16) !important;
}

/* segmented switches (Song / Lead vocal / One take …) */
.sa-seg,
.seg-btn,
.path-tab{
  background:linear-gradient(180deg,#1c2028,#141820);
  border:1px solid var(--rk-edge);
  box-shadow:inset 0 1px 0 var(--rk-hi-2);
  color:#8b93a1;
  font-weight:800;
  letter-spacing:.1em;
  text-transform:uppercase;
  font-size:9.5px;
}
.sa-seg.is-on,
.seg-btn.is-on,
.path-tab.is-on{
  background:linear-gradient(180deg,#3d2b22,#261a14);
  border-color:#5c2f1c;
  color:#fff;
  box-shadow:inset 0 1px 0 rgba(255,150,90,.2), 0 0 14px -4px rgba(255,107,53,.7);
}

/* ---------------------------------------------------------------------------
   6. THE DISPLAY — phosphor screen for the arrangement / waveforms
   --------------------------------------------------------------------------- */
.sa-daw,
.mx-wave-wrap,
.rp-wave-wrap,
.sa-daw-lanes{
  background:
    radial-gradient(120% 90% at 50% 0%, rgba(53,255,158,.045), transparent 62%),
    linear-gradient(180deg, var(--rk-screen-1) 0%, var(--rk-screen-2) 100%) !important;
  border:1px solid #000 !important;
  border-radius:12px;
  box-shadow:
    inset 0 0 0 1px rgba(255,255,255,.04),
    inset 0 16px 46px rgba(0,0,0,.92),
    inset 0 -10px 30px rgba(0,0,0,.6),
    0 4px 14px rgba(0,0,0,.55) !important;
}
/* scanlines + glass glare over the display */
.sa-daw{ position:relative; overflow:hidden; }
.sa-daw::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  border-radius:12px;
  background:
    repeating-linear-gradient(0deg, rgba(0,0,0,.22) 0 1px, transparent 1px 3px),
    linear-gradient(160deg, rgba(255,255,255,.05) 0%, transparent 26%);
  mix-blend-mode:multiply;
  opacity:.55;
}

/* lane tags read as silkscreen on the bezel */
.sa-lane-tag{
  font-size:8.5px !important;
  font-weight:800 !important;
  letter-spacing:.16em !important;
  text-transform:uppercase;
  color:#7d8694 !important;
}

/* the DAW bar is the bezel above the screen */
.sa-daw-bar{
  background:linear-gradient(180deg,#232833,#1a1e26);
  border-bottom:1px solid #000;
  box-shadow:inset 0 1px 0 var(--rk-hi);
}
.sa-daw-title{
  font-size:9.5px !important;
  font-weight:800 !important;
  letter-spacing:.18em !important;
  text-transform:uppercase;
  color:#8b93a1 !important;
}
.sa-daw-time{
  font-variant-numeric:tabular-nums;
  color:var(--rk-phos) !important;
  text-shadow:0 0 8px rgba(53,255,158,.45);
  letter-spacing:.06em;
}

/* transport + tools sit on a lower bezel */
.sa-daw-transport,
.sa-daw-tools{
  background:linear-gradient(180deg,#1a1e26,#141820);
  border-top:1px solid #000;
  box-shadow:inset 0 1px 0 var(--rk-hi-2);
}

/* meters glow phosphor */
.meter-fill{
  background:linear-gradient(90deg,#1f6b45,var(--rk-phos)) !important;
  box-shadow:0 0 8px rgba(53,255,158,.5);
}
.meter-track{
  background:#080b0e !important;
  border:1px solid #000 !important;
  box-shadow:inset 0 2px 4px rgba(0,0,0,.9);
}
.meter-label,
.meter-value{
  font-variant-numeric:tabular-nums;
  letter-spacing:.1em;
}

/* ---------------------------------------------------------------------------
   7. KNOBS — milled aluminium with an amber pointer
   --------------------------------------------------------------------------- */
.knob,
.knob-dial,
.dial{
  background:conic-gradient(from 210deg,#3d4553 0 62%, #1d2129 62% 100%) !important;
  border-radius:50%;
  box-shadow:
    0 0 0 3px #12151a,
    0 0 0 4px #2b323d,
    inset 0 2px 4px rgba(255,255,255,.13),
    inset 0 -4px 9px rgba(0,0,0,.7),
    0 4px 10px rgba(0,0,0,.55) !important;
}
.knob-row .ctrl,
.knob-row .desc{
  letter-spacing:.1em;
}
.knob-val,
.val{
  font-variant-numeric:tabular-nums;
  color:var(--rk-phos) !important;
  text-shadow:0 0 8px rgba(53,255,158,.35);
}

/* ---------------------------------------------------------------------------
   8. QUIET THE PROSE — notes become small silkscreen captions
   --------------------------------------------------------------------------- */
.small-note,
.sa-note,
.vc-note,
.mx-rack-note,
.mx-tuner-note,
.mx-headphone-note,
.plan-banner-note{
  color:#868f9d !important;
  font-size:11.5px !important;
  line-height:1.55 !important;
  letter-spacing:.005em;
}
.small-note b,
.sa-note b,
.vc-note b{ color:#9aa0ac; font-weight:700; }

/* section labels */
.sa-block-head h4,
.mx-card-title,
.rp-section h3{
  font-size:10px !important;
  font-weight:800 !important;
  letter-spacing:.18em !important;
  text-transform:uppercase;
  color:#8b93a1 !important;
}
.sa-step-num{
  background:linear-gradient(180deg,#3a4150,#20242c);
  border:1px solid var(--rk-edge);
  box-shadow:inset 0 1px 0 var(--rk-hi);
  color:var(--rk-phos);
  font-weight:800;
}

/* badges / chips */
.badge,
.pro-badge,
.plan-chip{
  border-radius:6px;
  border:1px solid var(--rk-edge);
  background:linear-gradient(180deg,#232833,#1a1e26);
  box-shadow:inset 0 1px 0 var(--rk-hi-2);
  font-weight:800;
  letter-spacing:.1em;
  text-transform:uppercase;
  font-size:9px;
}

/* ---------------------------------------------------------------------------
   9. WIZARD NAV — a hardware transport bar
   --------------------------------------------------------------------------- */
.wizard-nav{
  background:linear-gradient(180deg,#20252f 0%, #14171d 100%) !important;
  border:1px solid var(--rk-edge) !important;
  border-radius:12px !important;
  box-shadow:
    inset 0 1px 0 var(--rk-hi),
    inset 0 -1px 0 rgba(0,0,0,.7),
    0 16px 40px -16px rgba(0,0,0,.9) !important;
}
.wz-step{
  font-size:9.5px !important;
  font-weight:800 !important;
  letter-spacing:.18em !important;
  text-transform:uppercase;
  color:#868f9d !important;
}
.wz-progress{
  background:#080b0e !important;
  border:1px solid #000 !important;
  box-shadow:inset 0 2px 4px rgba(0,0,0,.9);
}
.wz-progress > i{
  background:linear-gradient(90deg,var(--rk-phos),var(--rk-amber)) !important;
  box-shadow:0 0 12px rgba(255,107,53,.55) !important;
}

/* ---------------------------------------------------------------------------
   10. ACCOUNT BAR / HEADER — brushed top plate
   --------------------------------------------------------------------------- */
.account-bar{
  border-radius:10px;
  background:linear-gradient(180deg,rgba(255,255,255,.03),rgba(0,0,0,.2));
  border:1px solid rgba(0,0,0,.5);
  box-shadow:inset 0 1px 0 var(--rk-hi-2);
}
.app-header .brand-name{
  letter-spacing:-.02em;
}

/* ---------------------------------------------------------------------------
   11. FOCUS VISIBILITY (accessibility must survive the reskin)
   --------------------------------------------------------------------------- */
.flow-step:focus-visible,
.sr-btn:focus-visible,
.sa-mini:focus-visible,
.mx-btn:focus-visible,
.vc-btn:focus-visible,
.rp-btn:focus-visible,
.btn:focus-visible,
button:focus-visible{
  outline:2px solid var(--rk-amber);
  outline-offset:2px;
}

/* ---------------------------------------------------------------------------
   12. REDUCED MOTION
   --------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce){
  .flow-step,
  .sr-btn, .sa-mini, .mx-btn, .vc-btn, .rp-btn, .btn, button.ghost, .mini{
    transition:none !important;
  }
}

/* ---------------------------------------------------------------------------
   13. RESPONSIVE — the rack gets shallower, never wider
   --------------------------------------------------------------------------- */
@media (max-width:900px){
  section.panel{ border-radius:13px; }
  .flow-progress{ padding:10px 10px 8px; }
  .flow-steps{ gap:6px; }
  .flow-step{
    flex:0 0 auto;
    padding:8px 10px;
    font-size:8.5px;
    letter-spacing:.1em;
  }
  .flow-step .flow-label{ font-size:8.5px; letter-spacing:.1em; }
  .flow-progress-head h2{ font-size:9.5px; letter-spacing:.16em; }
  .flow-progress-head .flow-sub{ font-size:9px; letter-spacing:.1em; }
}

@media (max-width:560px){
  .flow-step{ padding:7px 8px; gap:6px; }
  .flow-step .flow-label{ font-size:8px; }
  section.panel{ border-radius:12px; }
  /* the scanline overlay is expensive on small screens — drop it */
  .sa-daw::after{ display:none; }
}

/* Print: flatten the metal so the studio prints legibly. */
@media print{
  body::before,
  .sa-daw::after{ display:none !important; }
  .panel{
    background:#fff !important;
    border:1px solid #ccc !important;
    box-shadow:none !important;
  }
}