/* ══════════════════════════════════════════════════════════════
   WEIRDMAKER v2 COMPONENTS — Hardware UI Library
   Panels, jacks, buttons, faders, LEDs, knobs, rack rails.
   Requires: tokens-v2.css, base-v2.css
══════════════════════════════════════════════════════════════ */


/* ══════════════════════════════════════════
   PANELS (replaces .card)
   Module panels — rectangular, sharp, brushed metal, screw holes
═══════════════════════════════════════════ */

.hw-panel {
  position: relative;
  background: var(--hw-bg-panel);
  border: var(--hw-border);
  border-radius: var(--hw-radius-none);
  padding: 24px;
  box-shadow: var(--hw-shadow-panel);
  transition: box-shadow var(--hw-duration) var(--hw-ease),
              border-color var(--hw-duration) var(--hw-ease);
}
.hw-panel:hover {
  border-color: var(--hw-metal);
  box-shadow: var(--hw-shadow-deep);
}

/* Panel with screw holes (decorative) */
.hw-panel--screws::before,
.hw-panel--screws::after {
  content: '';
  position: absolute;
  width: 6px;
  height: 6px;
  border-radius: var(--hw-radius-round);
  background: var(--hw-metal-dark);
  border: 1px solid var(--hw-bg-inset);
  box-shadow: var(--hw-shadow-inset);
}
.hw-panel--screws::before { top: 8px; left: 8px; }
.hw-panel--screws::after  { top: 8px; right: 8px; }

/* Panel header label (silk-screened) */
.hw-panel__label {
  font-family: var(--hw-font-brand);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--hw-tracking-ultra);
  color: var(--hw-text-dim);
  margin-bottom: 16px;
}

/* Panel variants */
.hw-panel--raised {
  background: var(--hw-bg-raised);
  box-shadow: var(--hw-shadow-raised);
}
.hw-panel--inset {
  background: var(--hw-bg-inset);
  box-shadow: var(--hw-shadow-inset);
  border-color: var(--hw-bg);
}
.hw-panel--interactive {
  cursor: pointer;
}
.hw-panel--interactive:hover {
  transform: translateY(-1px);
}

/* ══════════════════════════════════════════
   JACK BUTTONS (primary actions)
   Circular, inset, LED ring on hover/active
═══════════════════════════════════════════ */

.hw-jack {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--hw-radius-round);
  background: var(--hw-bg-inset);
  border: 2px solid var(--hw-metal-dark);
  box-shadow: var(--hw-shadow-inset),
              0 0 0 3px var(--hw-bg-panel);
  color: var(--hw-text-dim);
  font-size: 1.25rem;
  cursor: pointer;
  transition: all var(--hw-duration) var(--hw-ease);
  position: relative;
}
.hw-jack:hover {
  border-color: var(--hw-metal-light);
  color: var(--hw-text);
  box-shadow: var(--hw-shadow-inset),
              0 0 0 3px var(--hw-bg-panel),
              0 0 var(--led-glow) var(--led-active);
}
.hw-jack:active {
  transform: scale(0.95);
}
.hw-jack--sm { width: 36px; height: 36px; font-size: 1rem; }
.hw-jack--lg { width: 56px; height: 56px; font-size: 1.5rem; }

/* Jack with text label (wider) */
.hw-jack--labeled {
  width: auto;
  height: auto;
  padding: 10px 24px;
  border-radius: 24px;
  font-family: var(--hw-font-brand);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--hw-tracking-wide);
  gap: 8px;
}

/* Jack LED color variants */
.hw-jack--active:hover  { box-shadow: var(--hw-shadow-inset), 0 0 0 3px var(--hw-bg-panel), 0 0 var(--led-glow) var(--led-active); }
.hw-jack--warn:hover    { box-shadow: var(--hw-shadow-inset), 0 0 0 3px var(--hw-bg-panel), 0 0 var(--led-glow) var(--led-warn); }
.hw-jack--alert:hover   { box-shadow: var(--hw-shadow-inset), 0 0 0 3px var(--hw-bg-panel), 0 0 var(--led-glow) var(--led-alert); }
.hw-jack--signal:hover  { box-shadow: var(--hw-shadow-inset), 0 0 0 3px var(--hw-bg-panel), 0 0 var(--led-glow) var(--led-signal); }

/* ══════════════════════════════════════════
   STANDARD BUTTONS (secondary actions)
   Flat silk-screen label, subtle metal gradient
═══════════════════════════════════════════ */

.hw-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  border-radius: var(--hw-radius-md);
  font-family: var(--hw-font-brand);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: var(--hw-tracking-wide);
  text-transform: uppercase;
  border: var(--hw-border);
  background: var(--hw-bg-raised);
  color: var(--hw-text);
  cursor: pointer;
  transition: all var(--hw-duration) var(--hw-ease);
}
.hw-btn:hover {
  background: var(--hw-metal-dark);
  border-color: var(--hw-metal);
  color: #fff;
}
.hw-btn:active {
  transform: translateY(1px);
  box-shadow: var(--hw-shadow-inset);
}

/* Primary: brighter, stands out */
.hw-btn--primary {
  background: var(--hw-metal-dark);
  border-color: var(--hw-metal);
  color: #fff;
}
.hw-btn--primary:hover {
  background: var(--hw-metal);
  border-color: var(--hw-metal-light);
}

/* Ghost: minimal */
.hw-btn--ghost {
  background: transparent;
  border-color: transparent;
  color: var(--hw-text-dim);
}
.hw-btn--ghost:hover {
  background: var(--hw-accent-dim);
  color: var(--hw-text);
  border-color: transparent;
}

/* Destructive */
.hw-btn--alert {
  border-color: rgba(255,68,68,0.3);
  color: var(--led-alert);
}
.hw-btn--alert:hover {
  background: var(--led-alert-dim);
  border-color: var(--led-alert);
}

/* Sizes */
.hw-btn--sm { padding: 6px 16px; font-size: 0.7rem; }
.hw-btn--lg { padding: 14px 32px; font-size: 0.875rem; }

/* Disabled state */
.hw-btn:disabled, .hw-jack:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  pointer-events: none;
}

/* ══════════════════════════════════════════
   LED INDICATORS (replaces .badge, .spinner)
   Small glowing circles for status
═══════════════════════════════════════════ */

.hw-led {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: var(--hw-radius-round);
  background: var(--hw-metal-dark);
  border: 1px solid var(--hw-bg-inset);
  transition: all var(--hw-duration) var(--hw-ease);
}
.hw-led--active {
  background: var(--led-active);
  box-shadow: 0 0 var(--led-glow) var(--led-active);
}
.hw-led--warn {
  background: var(--led-warn);
  box-shadow: 0 0 var(--led-glow) var(--led-warn);
}
.hw-led--alert {
  background: var(--led-alert);
  box-shadow: 0 0 var(--led-glow) var(--led-alert);
}
.hw-led--signal {
  background: var(--led-signal);
  box-shadow: 0 0 var(--led-glow) var(--led-signal);
}

/* LED sizes */
.hw-led--sm { width: 5px; height: 5px; }
.hw-led--lg { width: 12px; height: 12px; }

/* Pulsing LED (replaces spinner) */
.hw-led--pulse {
  animation: led-pulse 1.5s ease-in-out infinite;
}
@keyframes led-pulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.3; }
}

/* LED badge (LED + text label) */
.hw-led-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  font-family: var(--hw-font-brand);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--hw-tracking-wide);
  color: var(--hw-text-dim);
  background: var(--hw-bg-inset);
  border: 1px solid var(--hw-metal-dark);
  border-radius: var(--hw-radius-sm);
}
.hw-led-badge--active { color: var(--led-active); border-color: rgba(68,255,136,0.2); }
.hw-led-badge--warn   { color: var(--led-warn);   border-color: rgba(255,170,51,0.2); }
.hw-led-badge--alert  { color: var(--led-alert);  border-color: rgba(255,68,68,0.2); }
.hw-led-badge--signal { color: var(--led-signal); border-color: rgba(68,136,255,0.2); }

/* ══════════════════════════════════════════
   FADERS (replaces range sliders)
   Track groove with metal cap
═══════════════════════════════════════════ */

.hw-fader {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  background: var(--hw-bg-inset);
  border: 1px solid var(--hw-metal-dark);
  border-radius: 3px;
  outline: none;
  cursor: pointer;
}
.hw-fader::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 24px;
  background: linear-gradient(180deg, var(--hw-metal-light) 0%, var(--hw-metal-dark) 100%);
  border: 1px solid var(--hw-metal-bright);
  border-radius: var(--hw-radius-sm);
  box-shadow: var(--hw-shadow-raised);
  cursor: grab;
}
.hw-fader::-webkit-slider-thumb:active {
  cursor: grabbing;
  background: linear-gradient(180deg, var(--hw-metal-bright) 0%, var(--hw-metal) 100%);
}
.hw-fader::-moz-range-thumb {
  width: 16px;
  height: 24px;
  background: linear-gradient(180deg, var(--hw-metal-light) 0%, var(--hw-metal-dark) 100%);
  border: 1px solid var(--hw-metal-bright);
  border-radius: var(--hw-radius-sm);
  box-shadow: var(--hw-shadow-raised);
  cursor: grab;
}

/* Fader with label */
.hw-fader-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.hw-fader-group__label {
  font-family: var(--hw-font-brand);
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--hw-tracking-ultra);
  color: var(--hw-text-dim);
}
.hw-fader-group__value {
  font-family: var(--hw-font-mono);
  font-size: 0.75rem;
  color: var(--hw-text-faint);
  text-align: right;
}

/* ══════════════════════════════════════════
   KNOBS (CSS-rendered position indicators)
═══════════════════════════════════════════ */

.hw-knob {
  position: relative;
  width: 40px;
  height: 40px;
  border-radius: var(--hw-radius-round);
  background: radial-gradient(circle at 40% 35%,
    var(--hw-metal-light) 0%,
    var(--hw-metal-dark) 60%,
    var(--hw-bg-inset) 100%);
  border: 2px solid var(--hw-metal-dark);
  box-shadow: var(--hw-shadow-raised),
              inset 0 1px 2px rgba(255,255,255,0.05);
  cursor: grab;
}
/* Knob indicator line */
.hw-knob::after {
  content: '';
  position: absolute;
  top: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 10px;
  background: var(--hw-text);
  border-radius: 1px;
}
.hw-knob--sm { width: 28px; height: 28px; }
.hw-knob--sm::after { top: 3px; height: 7px; }
.hw-knob--lg { width: 56px; height: 56px; }
.hw-knob--lg::after { top: 6px; height: 14px; }

/* Knob with label */
.hw-knob-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}
.hw-knob-group__label {
  font-family: var(--hw-font-brand);
  font-size: 0.6rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--hw-tracking-ultra);
  color: var(--hw-text-dim);
}

/* ══════════════════════════════════════════
   RACK RAILS (section framing)
   Horizontal bars like Eurorack case rails
═══════════════════════════════════════════ */

.hw-rail {
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg,
    transparent 0%,
    var(--hw-metal-dark) 10%,
    var(--hw-metal-dark) 90%,
    transparent 100%);
  border-radius: 2px;
}
.hw-rail--thick {
  height: 8px;
  background: linear-gradient(180deg,
    var(--hw-metal) 0%,
    var(--hw-metal-dark) 100%);
  box-shadow: var(--hw-shadow-raised);
}

/* Rail with screw holes at edges */
.hw-rail--screws {
  position: relative;
}
.hw-rail--screws::before,
.hw-rail--screws::after {
  content: '';
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 10px;
  height: 10px;
  border-radius: var(--hw-radius-round);
  background: var(--hw-metal-dark);
  border: 1px solid var(--hw-bg-inset);
  box-shadow: var(--hw-shadow-inset);
}
.hw-rail--screws::before { left: 12px; }
.hw-rail--screws::after  { right: 12px; }

/* ══════════════════════════════════════════
   FORM INPUTS (hardware-styled)
═══════════════════════════════════════════ */

.hw-input {
  background: var(--hw-bg-inset);
  border: var(--hw-border);
  border-radius: var(--hw-radius-md);
  color: var(--hw-text);
  font-family: var(--hw-font-mono);
  font-size: 0.875rem;
  padding: 10px 16px;
  width: 100%;
  transition: border-color var(--hw-duration) var(--hw-ease),
              box-shadow var(--hw-duration) var(--hw-ease);
}
.hw-input:focus {
  outline: none;
  border-color: var(--hw-accent);
  box-shadow: 0 0 0 2px var(--hw-accent-dim);
}
.hw-input::placeholder {
  color: var(--hw-text-faint);
  font-family: var(--hw-font-brand);
  text-transform: uppercase;
  letter-spacing: var(--hw-tracking-wide);
  font-size: 0.75rem;
}

/* Textarea */
.hw-textarea {
  background: var(--hw-bg-inset);
  border: var(--hw-border);
  border-radius: var(--hw-radius-md);
  color: var(--hw-text);
  font-family: var(--hw-font-mono);
  font-size: 0.875rem;
  padding: 12px 16px;
  width: 100%;
  min-height: 120px;
  resize: vertical;
  transition: border-color var(--hw-duration) var(--hw-ease);
}
.hw-textarea:focus {
  outline: none;
  border-color: var(--hw-accent);
  box-shadow: 0 0 0 2px var(--hw-accent-dim);
}

/* ══════════════════════════════════════════
   MODALS / OVERLAYS
═══════════════════════════════════════════ */

.hw-overlay {
  position: fixed;
  inset: 0;
  background: var(--hw-bg-overlay);
  backdrop-filter: blur(4px);
  z-index: var(--hw-z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
}

.hw-modal {
  background: var(--hw-bg-panel);
  border: var(--hw-border);
  box-shadow: var(--hw-shadow-deep);
  max-width: 480px;
  width: 90%;
  max-height: 85vh;
  overflow-y: auto;
  padding: 32px;
}

/* ══════════════════════════════════════════
   UTILITY ANIMATIONS
═══════════════════════════════════════════ */

@keyframes hw-fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes hw-slide-up {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes hw-power-on {
  0%   { opacity: 0; filter: brightness(0); }
  60%  { opacity: 1; filter: brightness(1.5); }
  100% { opacity: 1; filter: brightness(1); }
}

.animate-fade-in  { animation: hw-fade-in var(--hw-duration-slow) var(--hw-ease) both; }
.animate-slide-up { animation: hw-slide-up var(--hw-duration-slow) var(--hw-ease) both; }
.animate-power-on { animation: hw-power-on var(--hw-duration-reveal) var(--hw-ease) both; }