/* Hallmark · shared tool surface · genre: dark utility · theme: studied-DNA
 * states: default · hover · focus · active · disabled · loading · error · success
 * contrast: pass
 */
:root {
  --j5-paper: #0f0f13;
  --j5-panel: #17171f;
  --j5-card: #1a1a24;
  --j5-raised: #242431;
  --j5-accent: #ff9ef7;
  --j5-accent-dark: #e181da;
  --j5-accent-soft: rgba(255, 158, 247, 0.12);
  --j5-accent-glow: rgba(255, 158, 247, 0.24);
  --j5-ink: #f5f3f6;
  --j5-muted: #a9a4b0;
  --j5-rule: #343140;
  --j5-success: #6ee7a8;
  --j5-error: #fb7185;
  --j5-radius-sm: 0.5rem;
  --j5-radius-md: 0.75rem;
  --j5-radius-lg: 1rem;
  --j5-shadow: 0 18px 48px rgba(0, 0, 0, 0.42);
  --j5-ease: cubic-bezier(0.16, 1, 0.3, 1);
}

/* Shared product header used by every full-screen tool. */
.j5-toolbar {
  position: relative;
  z-index: 100;
  flex: 0 0 68px;
  min-height: 68px;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem clamp(1rem, 4vw, 2.5rem);
  border-bottom: 1px solid var(--j5-rule);
  background: rgba(15, 15, 19, 0.9);
  backdrop-filter: blur(14px);
}

.j5-tool-brand,
.j5-tool-back {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  font-weight: 700;
}

.j5-tool-brand {
  min-width: 0;
  gap: 0.55rem;
  color: var(--j5-ink);
  white-space: nowrap;
}

.j5-tool-logo {
  width: 38px;
  height: 38px;
  flex: 0 0 38px;
  object-fit: contain;
  filter: drop-shadow(0 0 10px var(--j5-accent-glow));
}

.j5-tool-back {
  gap: 0.5rem;
  padding: 0.55rem 0.8rem;
  border: 1px solid var(--j5-rule);
  border-radius: var(--j5-radius-sm);
  color: var(--j5-muted);
  font-size: 0.875rem;
  white-space: nowrap;
  transition: color 160ms var(--j5-ease), border-color 160ms var(--j5-ease), background-color 160ms var(--j5-ease);
}

.j5-tool-back:hover {
  color: var(--j5-accent);
  border-color: var(--j5-accent);
  background: var(--j5-accent-soft);
}

.j5-tool-back:active {
  transform: translateY(1px);
}

.j5-tool-shell {
  min-width: 0;
  min-height: 0;
  flex: 1 1 auto;
}

@media (max-width: 520px) {
  .j5-toolbar {
    padding-inline: 0.85rem;
  }

  .j5-tool-brand {
    font-size: 0.82rem;
  }

  .j5-tool-logo {
    width: 32px;
    height: 32px;
    flex-basis: 32px;
  }

  .j5-tool-back span:last-child {
    display: none;
  }
}

html {
  background: var(--j5-paper);
}

body {
  background-color: var(--j5-paper) !important;
  background-image: radial-gradient(circle at 50% 0%, var(--j5-accent-soft), transparent 46%) !important;
  color: var(--j5-ink) !important;
  font-family: "Noto Sans TC", "Segoe UI", sans-serif !important;
}

::-webkit-scrollbar-track {
  background: var(--j5-paper) !important;
}

::-webkit-scrollbar-thumb {
  background: var(--j5-rule) !important;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--j5-accent) !important;
}

#sidebar,
aside,
.sidebar {
  background-color: rgba(23, 23, 31, 0.96) !important;
  border-color: var(--j5-rule) !important;
  box-shadow: var(--j5-shadow) !important;
  backdrop-filter: blur(14px);
}

#status-bar,
.panel,
.card,
[class*="bg-neutral-9"],
[class*="bg-slate-9"],
[class*="bg-slate-8"] {
  background-color: var(--j5-card) !important;
  border-color: var(--j5-rule) !important;
}

#loading {
  background-color: var(--j5-paper) !important;
  color: var(--j5-accent) !important;
  text-shadow: 0 0 18px var(--j5-accent-glow) !important;
}

.theme-bg,
.bg-theme,
.btn,
#sidebar-toggle,
[class*="bg-blue-"],
[class*="bg-indigo-"],
[class*="bg-pink-"] {
  background-color: var(--j5-accent) !important;
  color: var(--j5-paper) !important;
}

.theme-text,
.text-theme,
[class*="text-blue-"],
[class*="text-indigo-"],
[class*="text-pink-"] {
  color: var(--j5-accent) !important;
}

.theme-border,
.border-theme,
.border-theme-strong,
[class*="border-blue-"],
[class*="border-indigo-"],
[class*="border-pink-"] {
  border-color: var(--j5-accent) !important;
}

button,
.btn,
input,
textarea,
select {
  border-radius: var(--j5-radius-sm) !important;
  transition: transform 160ms var(--j5-ease), border-color 160ms var(--j5-ease), background-color 160ms var(--j5-ease), color 160ms var(--j5-ease), opacity 160ms var(--j5-ease) !important;
}

input:not([type="range"]):not([type="color"]):not([type="checkbox"]),
textarea,
select {
  background-color: var(--j5-paper) !important;
  border: 1px solid var(--j5-rule) !important;
  color: var(--j5-ink) !important;
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--j5-accent) !important;
  outline: none !important;
  box-shadow: 0 0 0 3px var(--j5-accent-soft) !important;
}

button:hover:not(:disabled),
.btn:hover:not(:disabled) {
  transform: translateY(-1px);
}

button:focus-visible,
.btn:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 3px solid var(--j5-accent) !important;
  outline-offset: 3px !important;
}

button:active:not(:disabled),
.btn:active:not(:disabled) {
  transform: translateY(0);
}

button:disabled,
.btn:disabled {
  cursor: not-allowed !important;
  opacity: 0.48 !important;
}

input[type="range"],
input[type="checkbox"] {
  accent-color: var(--j5-accent) !important;
}

.rounded,
.rounded-lg,
.rounded-xl,
.rounded-2xl {
  border-radius: var(--j5-radius-md) !important;
}

.shadow-theme,
.shadow-theme-glow,
[class*="shadow-"] {
  --tw-shadow-color: var(--j5-accent-glow) !important;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 50ms !important;
    animation-duration: 50ms !important;
  }
}