/* ─────────────────────────────────────────────────────────────────
   EMTIR Design System v2 · Spectral Cards
   Loaded after inline app.html styles to refine existing components
   to the v2 (Spectral Cards) direction. Icons are intentionally
   left untouched per spec.
   ───────────────────────────────────────────────────────────────── */

/* ─────────── Sidebar: anchored top-left of canvas, 20% smaller buttons ─────────── */
@media (min-width: 769px) {
  /* Anchored INSIDE the canvas (stageInner). When the canvas extends beyond
     the viewport, --canvas-top-overflow / --canvas-bottom-overflow are set by
     JS to push the UI inward so it stays in the visible canvas area. */
  .settings-sidebar {
    position: absolute !important;
    top: calc(12px + var(--canvas-top-overflow, 0px)) !important;
    left: 12px !important;
    bottom: calc(12px + var(--canvas-bottom-overflow, 0px)) !important;
    max-height: none !important;
    height: auto !important;
    align-items: flex-start;
    justify-content: flex-start;
  }
  .sidebar-btn {
    width: 36px !important;
    height: 36px !important;
    min-height: 36px !important;
    flex-shrink: 0;
    flex-grow: 0;
    padding: 7px !important;
  }
  .settings-panel-container {
    position: absolute !important;
    top: calc(12px + var(--canvas-top-overflow, 0px)) !important;
    left: 60px !important;
    bottom: calc(12px + var(--canvas-bottom-overflow, 0px)) !important;
    max-height: none !important;
    height: auto !important;
  }
}

/* ─────────── Sidebar buttons · v2 spectral card surface (matches panels) ─────────── */
.sidebar-btn {
  background:
    linear-gradient(180deg,
      rgba(var(--btn-glow-rgb), 0.14),
      rgba(var(--btn-glow-rgb), 0.04)),
    rgba(16, 18, 22, 0.88) !important;
  border-width: 1px !important;
  border-color: rgba(var(--btn-glow-rgb), 0.28) !important;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    0 1px 2px rgba(0, 0, 0, 0.3) !important;
  filter: none;
}
.sidebar-btn:hover {
  border-color: rgba(var(--btn-glow-rgb), 0.7) !important;
}
.sidebar-btn.active,
.sidebar-btn[data-panel].active {
  border-color: rgba(var(--btn-glow-rgb), 0.78) !important;
}
/* Fullscreen / neutral-glow button idle — match spec 0.5 */
.sidebar-btn.fullscreen {
  border-color: rgba(255, 255, 255, 0.5) !important;
}
.sidebar-btn.fullscreen:hover {
  border-color: rgba(255, 255, 255, 0.7) !important;
}
.sidebar-btn.fullscreen.active {
  border-color: rgba(255, 255, 255, 0.78) !important;
}

/* ─────────── Panels: hue-flooded spectral cards ─────────── */
.settings-panel-container .panel {
  border-radius: 16px;
  border-width: 1px;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    0 2px 6px rgba(0, 0, 0, 0.35);
  filter: none;
  overflow: hidden;
}

.panel[data-panel="particles"],
.panel[data-panel="emitter"],
.panel[data-panel="forces"],
.panel[data-panel="shading"],
.panel[data-panel="camera"],
.panel[data-panel="background"],
.panel[data-panel="animation"],
.panel[data-panel="export"],
.panel[data-panel="presets"],
.panel[data-panel="save"],
.panel[data-panel="compositions"] {
  background:
    linear-gradient(180deg,
      rgba(var(--panel-glow-rgb), 0.14),
      rgba(var(--panel-glow-rgb), 0.04)),
    rgba(16, 18, 22, 0.88);
  border-color: rgba(var(--panel-glow-rgb), 0.28);
}

/* ─────────── Panel header: Figtree 600, hue-tinted title, no heavy divider ─────────── */
.panel .panel-header {
  padding: 14px 16px 12px;
  border-bottom: 1px solid rgba(var(--panel-glow-rgb), 0.14);
}
.panel .panel-header span {
  font-family: "Figtree", "Inter", system-ui, sans-serif;
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.98);
}

/* Per-panel soften: remove the loud 2px accent divider from inline CSS */
.panel[data-panel="particles"] .panel-header,
.panel[data-panel="emitter"] .panel-header,
.panel[data-panel="forces"] .panel-header,
.panel[data-panel="shading"] .panel-header,
.panel[data-panel="camera"] .panel-header,
.panel[data-panel="background"] .panel-header,
.panel[data-panel="animation"] .panel-header,
.panel[data-panel="export"] .panel-header,
.panel[data-panel="presets"] .panel-header {
  border-bottom-color: rgba(var(--panel-glow-rgb), 0.18);
  border-bottom-width: 1px;
}

/* ─────────── Desktop: spectral-card slider ─────────── */
@media (min-width: 769px) and (hover: hover) and (pointer: fine) {
  .panel .control input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 16px;
    background: transparent;
    border: 0;
    margin: 4px 0;
    cursor: pointer;
  }
  .panel .control input[type="range"]::-webkit-slider-runnable-track {
    height: 6px;
    border-radius: 999px;
    background:
      linear-gradient(90deg,
        rgba(var(--panel-glow-rgb), 0.70),
        rgba(var(--panel-glow-rgb), 0.35)),
      rgba(255, 255, 255, 0.08);
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.4);
  }
  .panel .control input[type="range"]::-moz-range-track {
    height: 6px;
    border-radius: 999px;
    border: 0;
    background:
      linear-gradient(90deg,
        rgba(var(--panel-glow-rgb), 0.70),
        rgba(var(--panel-glow-rgb), 0.35)),
      rgba(255, 255, 255, 0.08);
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.4);
  }
  .panel .control input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px; height: 16px;
    border-radius: 50%;
    background: #fff;
    border: 0;
    margin-top: -5px;
    box-shadow:
      0 0 0 4px rgba(var(--panel-glow-rgb), 0.18),
      0 0 14px rgba(var(--panel-glow-rgb), 0.70);
    cursor: pointer;
    transition: box-shadow 120ms ease;
  }
  .panel .control input[type="range"]::-moz-range-thumb {
    width: 16px; height: 16px;
    border-radius: 50%;
    background: #fff;
    border: 0;
    box-shadow:
      0 0 0 4px rgba(var(--panel-glow-rgb), 0.18),
      0 0 14px rgba(var(--panel-glow-rgb), 0.70);
    cursor: pointer;
  }
  .panel .control input[type="range"]:hover::-webkit-slider-thumb {
    box-shadow:
      0 0 0 5px rgba(var(--panel-glow-rgb), 0.22),
      0 0 18px rgba(var(--panel-glow-rgb), 0.90);
  }
  .panel .control input[type="range"]:focus {
    outline: none;
  }
  .panel .control input[type="range"]:focus::-webkit-slider-thumb {
    box-shadow:
      0 0 0 5px rgba(var(--panel-glow-rgb), 0.28),
      0 0 18px rgba(var(--panel-glow-rgb), 1);
  }
}

/* ─────────── Pill toggle · 38×22 round switch ─────────── */
.panel .pill-toggle {
  width: 38px;
  height: 22px;
  border-radius: 999px;
  border: 0;
  background: rgba(255, 255, 255, 0.10);
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.25);
  transition: background 160ms ease, box-shadow 160ms ease;
}
.panel .pill-toggle::before {
  top: 2px;
  left: 2px;
  width: 18px;
  height: 18px;
  background: #fff;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.28);
}
.panel .pill-toggle[data-state="on"]::before {
  transform: translateX(16px);
  background: #fff;
}

/* Category-tinted "on" state (specificity matches inline per-panel rules) */
.panel[data-panel="particles"] .pill-toggle[data-state="on"],
.panel[data-panel="emitter"] .pill-toggle[data-state="on"],
.panel[data-panel="forces"] .pill-toggle[data-state="on"],
.panel[data-panel="shading"] .pill-toggle[data-state="on"],
.panel[data-panel="camera"] .pill-toggle[data-state="on"],
.panel[data-panel="background"] .pill-toggle[data-state="on"],
.panel[data-panel="animation"] .pill-toggle[data-state="on"],
.panel[data-panel="export"] .pill-toggle[data-state="on"] {
  background: rgba(var(--panel-glow-rgb), 0.95);
  border-color: transparent;
  box-shadow: 0 0 16px rgba(var(--panel-glow-rgb), 0.50);
}

/* ─────────── Action buttons (export, etc.) · Spectral-card CTA ─────────── */
.panel .export-btn {
  padding: 11px 18px;
  background: linear-gradient(135deg,
    rgba(var(--panel-glow-rgb), 0.95),
    rgba(var(--panel-glow-rgb), 0.70));
  border: 0;
  border-radius: 10px;
  color: #fff;
  font-family: "Figtree", "Inter", system-ui, sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  box-shadow: 0 4px 20px -4px rgba(var(--panel-glow-rgb), 0.70);
  transition: filter 120ms ease, transform 120ms ease, box-shadow 120ms ease;
}
.panel .export-btn:hover {
  filter: brightness(1.08);
  background: linear-gradient(135deg,
    rgba(var(--panel-glow-rgb), 1),
    rgba(var(--panel-glow-rgb), 0.80));
  border: 0;
  box-shadow: 0 6px 24px -4px rgba(var(--panel-glow-rgb), 0.85);
}
.panel .export-btn:active {
  transform: scale(0.98);
}
.panel .export-btn:disabled {
  opacity: 0.5;
  filter: saturate(0.6);
}
.panel .export-btn svg {
  color: #fff;
}
/* Preserve the red "recording" variant */
.panel .export-btn.recording {
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.95), rgba(239, 68, 68, 0.70));
  box-shadow: 0 4px 20px -4px rgba(239, 68, 68, 0.75);
  color: #fff;
}

/* ─────────── Editable value · mono chip ─────────── */
.panel .editable-value {
  font-family: "JetBrains Mono", ui-monospace, Menlo, Consolas, monospace;
  font-weight: 500;
  font-size: 10.5px;
  background: rgba(255, 255, 255, 0.08);
  border-color: transparent;
  color: #fff;
}
.panel .editable-value.editing {
  background: rgba(255, 255, 255, 0.16);
  border-color: rgba(255, 255, 255, 0.28);
}

/* ─────────── Error modal · v2 spectral-card, Red (error) hue ─────────── */
/* Card surface is set inline from gate-ui.js; here we style title, body, and actions. */
.gate-card--error .gate-title {
  font-family: "Figtree", "Inter", system-ui, sans-serif !important;
  font-weight: 600 !important;
  font-size: 20px !important;
  line-height: 1.2 !important;
  letter-spacing: 0.02em !important;
  color: rgba(254, 202, 202, 1) !important; /* red-200 */
  margin-bottom: 10px !important;
  padding-right: 44px !important;
}
.gate-card--error .gate-message {
  font-family: "DM Sans", "Inter", system-ui, sans-serif !important;
  font-size: 14px !important;
  line-height: 1.55 !important;
  color: rgba(255, 255, 255, 0.82) !important;
  opacity: 1 !important;
  margin-bottom: 14px !important;
}
/* Details pre block inside error */
.gate-card--error pre {
  font-family: "JetBrains Mono", ui-monospace, Menlo, Consolas, monospace !important;
  font-size: 11px !important;
  line-height: 1.5 !important;
  background: rgba(0, 0, 0, 0.35) !important;
  border: 1px solid rgba(239, 68, 68, 0.18) !important;
  border-radius: 8px !important;
  color: rgba(255, 255, 255, 0.72) !important;
  padding: 10px 12px !important;
}
/* Close button inside error · v2 gradient action button in Red */
.gate-card--error .gate-btn {
  padding: 11px 18px !important;
  border: 0 !important;
  border-radius: 10px !important;
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.95), rgba(239, 68, 68, 0.70)) !important;
  color: #fff !important;
  font-family: "Figtree", "Inter", system-ui, sans-serif !important;
  font-size: 11px !important;
  font-weight: 600 !important;
  letter-spacing: 0.14em !important;
  text-transform: uppercase !important;
  box-shadow: 0 4px 20px -4px rgba(239, 68, 68, 0.70) !important;
  transition: filter 120ms ease, box-shadow 120ms ease, transform 120ms ease !important;
  min-width: 96px;
}
.gate-card--error .gate-btn:hover {
  filter: brightness(1.08) !important;
  box-shadow: 0 6px 24px -4px rgba(239, 68, 68, 0.85) !important;
}
.gate-card--error .gate-btn:active {
  transform: scale(0.98);
}
/* Close (X) icon button in corner · subtle red tint */
.gate-card--error button[aria-label="Close"],
.gate-card--error button[aria-label="close"] {
  color: rgba(254, 202, 202, 0.72) !important;
}
.gate-card--error button[aria-label="Close"]:hover,
.gate-card--error button[aria-label="close"]:hover {
  color: #fff !important;
  background: rgba(239, 68, 68, 0.15) !important;
}

/* ─────────── Header chrome · Upgrade to Pro · Hamburger ─────────── */

/* Upgrade button · v2 brand gradient (red→pink→violet→indigo→sky→teal→green) */
.headerUpgradeBtn {
  height: 34px;
  padding: 0 16px !important;
  border-radius: 10px !important;
  border: 1.5px solid transparent !important;
  background:
    linear-gradient(rgba(10, 15, 20, 0.82), rgba(10, 15, 20, 0.82)) padding-box,
    var(--brand-gradient) border-box !important;
  font-family: "Figtree", "Inter", system-ui, sans-serif !important;
  font-size: 11px !important;
  font-weight: 600 !important;
  letter-spacing: 0.14em !important;
  text-transform: uppercase !important;
  box-shadow: 0 4px 20px -6px rgba(168, 85, 247, 0.45) !important;
  transition: filter 120ms ease, box-shadow 120ms ease, transform 120ms ease !important;
}
.headerUpgradeBtn > span {
  background: var(--brand-gradient) !important;
  -webkit-background-clip: text !important;
  background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
  color: transparent !important;
}
.headerUpgradeBtn:hover {
  filter: brightness(1.08);
  box-shadow: 0 6px 26px -6px rgba(168, 85, 247, 0.70) !important;
}
.headerUpgradeBtn:active {
  transform: scale(0.98);
}

/* Hamburger · v2 neutral sidebar-btn (white glow variant) */
#accountMenuBtn,
.account-menu-btn {
  border: 2px solid rgba(255, 255, 255, 0.5) !important;
  background:
    linear-gradient(rgba(10, 15, 20, 0.78), rgba(10, 15, 20, 0.78)),
    rgba(255, 255, 255, 0.06) !important;
  color: rgba(255, 255, 255, 0.92) !important;
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.06),
    0 0 14px rgba(255, 255, 255, 0.10) !important;
}
#accountMenuBtn:hover,
.account-menu-btn:hover {
  border-color: rgba(255, 255, 255, 0.7) !important;
  background:
    linear-gradient(rgba(10, 15, 20, 0.86), rgba(10, 15, 20, 0.86)),
    rgba(255, 255, 255, 0.10) !important;
}

/* ─────────── Account menu dropdown · v2 neutral surface ─────────── */
#accountMenu {
  border-radius: 16px !important;
  border: 1px solid rgba(255, 255, 255, 0.10) !important;
  background: rgba(16, 18, 22, 0.92) !important;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    0 20px 60px rgba(0, 0, 0, 0.55) !important;
  backdrop-filter: blur(20px) saturate(160%) !important;
  -webkit-backdrop-filter: blur(20px) saturate(160%) !important;
  color: rgba(255, 255, 255, 0.86) !important;
}
#accountMenuHeader {
  padding: 16px 18px !important;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06) !important;
  gap: 12px !important;
}
#accountMenuName {
  font-family: "Figtree", "Inter", system-ui, sans-serif !important;
  font-weight: 600 !important;
  font-size: 13px !important;
  letter-spacing: 0.02em !important;
  color: #fff !important;
}

/* Menu items · v2 spacing/typography */
.account-menu-item {
  padding: 11px 14px !important;
  border-radius: 10px !important;
  font-family: "Inter", system-ui, sans-serif !important;
  font-size: 12.5px !important;
  font-weight: 500 !important;
  letter-spacing: 0.02em !important;
  color: rgba(255, 255, 255, 0.86) !important;
  gap: 12px !important;
}
.account-menu-item:hover {
  background: rgba(255, 255, 255, 0.06) !important;
  color: #fff !important;
  transform: none !important;
}

/* Plan badge · Pro uses v2 brand gradient, Free stays neutral */
.account-plan-badge {
  font-family: "Figtree", "Inter", system-ui, sans-serif !important;
  font-size: 9.5px !important;
  font-weight: 600 !important;
  letter-spacing: 0.16em !important;
  padding: 3px 9px !important;
  border-radius: 999px !important;
}
.account-plan-free {
  background: rgba(255, 255, 255, 0.08) !important;
  color: rgba(255, 255, 255, 0.62) !important;
}
.account-plan-pro {
  background: var(--brand-gradient) !important;
  color: rgba(0, 0, 0, 0.88) !important;
  box-shadow: 0 0 14px -2px rgba(168, 85, 247, 0.40) !important;
}

/* Upgrade item in menu · upgrade icon fill uses full v2 spectrum */
#accountMenuUpgrade span {
  font-family: "Figtree", "Inter", system-ui, sans-serif !important;
  font-weight: 600 !important;
  letter-spacing: 0.04em !important;
}

/* ─────────── Get-Started overlay · Presets (Green) spectral cards ─────────── */
#getStartedWizard .landingTagline {
  font-family: "Figtree", "Inter", system-ui, sans-serif;
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.44);
  margin: 0 0 clamp(24px, 4vw, 48px);
}

#getStartedWizard .get-started-grid .card {
  --sc: 23, 118, 157; /* Blue (Background) */
  border-radius: 16px;
  border: 1px solid rgba(var(--sc), 0.28);
  background:
    linear-gradient(180deg, rgba(var(--sc), 0.14), rgba(var(--sc), 0.04)),
    rgba(16, 18, 22, 0.92);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    0 12px 40px rgba(0, 0, 0, 0.5),
    0 0 32px -8px rgba(var(--sc), 0.32);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
}
/* Replace the sky/violet/pink drift glow with a category-hue glow */
#getStartedWizard .get-started-grid .card::before {
  border-radius: 18px;
  background:
    radial-gradient(420px 240px at 50% 30%, rgba(var(--sc), 0.40), transparent 70%),
    radial-gradient(520px 260px at 50% 90%, rgba(var(--sc), 0.24), transparent 74%);
  background-size: 200% 200%, 220% 220%;
}
#getStartedWizard .get-started-grid .card:hover,
#getStartedWizard .get-started-grid .card:focus-visible {
  --ry: 0deg;
  --scale: 1.02;
  border-color: rgba(var(--sc), 0.55);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    0 20px 60px rgba(0, 0, 0, 0.55),
    0 0 48px -8px rgba(var(--sc), 0.55);
}
#getStartedWizard .get-started-grid .media {
  border-radius: 16px 16px 0 0;
}
#getStartedWizard .get-started-grid .title {
  font-family: "Figtree", "Inter", system-ui, sans-serif;
  font-weight: 500;
  letter-spacing: 0.06em;
  font-size: clamp(16px, 1.9vw, 20px);
  color: #fff;
}
#getStartedWizard .get-started-grid .desc {
  font-family: "DM Sans", "Inter", system-ui, sans-serif;
  color: rgba(255, 255, 255, 0.64);
  font-size: 13px;
  line-height: 1.5;
}

/* "Explore on my own" · v2 ghost action button */
#getStartedWizard .gsPill {
  padding: 11px 22px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.10);
  color: rgba(255, 255, 255, 0.82);
  font-family: "Figtree", "Inter", system-ui, sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
#getStartedWizard .gsPill::before {
  display: none;
}
#getStartedWizard .gsPill:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.20);
  color: #fff;
}

/* "Don't show at startup" toggle · dimensions set inline via main.js to match v2 pill toggle */

/* ─────────── Select controls · tinted chip look to match card ─────────── */
.panel[data-panel] select {
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(var(--panel-glow-rgb), 0.28);
  border-radius: 8px;
  padding: 8px 10px;
  color: #fff;
  -webkit-text-fill-color: #fff;
  transition: border-color 120ms ease, background 120ms ease;
}
.panel[data-panel] select:hover {
  border-color: rgba(var(--panel-glow-rgb), 0.55);
  background: rgba(0, 0, 0, 0.35);
}
.panel[data-panel] select:focus {
  outline: none;
  border-color: rgba(var(--panel-glow-rgb), 0.78);
  box-shadow: 0 0 0 3px rgba(var(--panel-glow-rgb), 0.18);
}