:root { --show-sun: block; --show-moon: none; }
:root[data-theme="dark"] { --show-sun: none; --show-moon: block; }
@media (prefers-color-scheme: dark) { :root:not([data-theme]) { --show-sun: none; --show-moon: block; } }
.theme-toggle { border: 1px solid var(--neutral); border-radius: 999px; background: transparent; color: var(--ink); padding: .35rem .5rem; line-height: 0; cursor: pointer; transition: border-color .2s ease, color .2s ease; }
.theme-toggle:hover { border-color: var(--primary); color: var(--primary); }
.theme-toggle svg { width: 1.05rem; height: 1.05rem; display: block; }
.theme-toggle .icon-sun { display: var(--show-sun); }
.theme-toggle .icon-moon { display: var(--show-moon); }

:root {
  --forge-primary: var(--primary, #39D353);
  --forge-primary-content: var(--primary-content, #0B1F3B);
  --forge-secondary: var(--secondary, #00D1C1);
  --forge-secondary-content: var(--secondary-content, #0B1F3B);
  --forge-accent: var(--accent, #FF3B2E);
  --forge-bg: var(--base-1, #FAF8F4);
  --forge-surface: var(--base-2, #f0ede5);
  --forge-fg: var(--base-1-content, #0B1F3B);
  --forge-muted: var(--neutral-content, #475569);
  --forge-border: var(--base-1-content, #0B1F3B);
  --forge-success: var(--success, #39D353);
  --forge-warning: var(--warning, #f59e0b);
  --forge-error: var(--error, #FF3B2E);
  --forge-radius: 10px;
  --forge-pop-border: 2px solid var(--forge-border);
  --forge-pop-shadow: 3px 3px 0px var(--forge-border);
  --forge-pop-shadow-sm: 2px 2px 0px var(--forge-border);
  --forge-font-sans: Inter, system-ui, -apple-system, sans-serif;
  --forge-font-mono: ui-monospace, SFMono-Regular, Menlo, monospace;
}

[data-theme="dark"], .dark {
  --forge-primary: var(--primary, #39D353);
  --forge-primary-content: var(--primary-content, #0B1F3B);
  --forge-secondary: var(--secondary, #00D1C1);
  --forge-secondary-content: var(--secondary-content, #0B1F3B);
  --forge-accent: var(--accent, #FF3B2E);
  --forge-bg: var(--base-1, #0B1F3B);
  --forge-surface: var(--base-2, #112646);
  --forge-fg: var(--base-1-content, #FAF8F4);
  --forge-muted: var(--neutral-content, #8fa2bc);
  --forge-border: var(--base-1-content, #FAF8F4);
  --forge-success: var(--success, #39D353);
  --forge-warning: var(--warning, #fbbf24);
  --forge-error: var(--error, #FF3B2E);
}

.forge-app {
  font-family: var(--forge-font-sans);
  background: var(--forge-bg);
  color: var(--forge-fg);
  line-height: 1.5;
  min-height: 100vh;
}

/* Widgets */
.forge-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.55rem 1.15rem;
  font-size: 0.875rem;
  font-weight: 700;
  border-radius: var(--forge-radius);
  border: var(--forge-pop-border);
  box-shadow: var(--forge-pop-shadow-sm);
  background: var(--forge-surface);
  color: var(--forge-fg);
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}
.forge-btn:hover {
  transform: translate(-1px, -1px);
  box-shadow: var(--forge-pop-shadow);
}
.forge-btn-primary {
  background: var(--forge-primary);
  color: var(--forge-primary-content);
}
.forge-btn-secondary {
  background: var(--forge-secondary);
  color: var(--forge-secondary-content);
}
.forge-btn-error {
  background: var(--forge-error);
  color: #ffffff;
}
.forge-btn-sm { padding: 0.35rem 0.75rem; font-size: 0.78rem; }
.forge-btn-lg { padding: 0.75rem 1.6rem; font-size: 1rem; }

.forge-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem 0.6rem;
  font-size: 0.75rem;
  font-weight: 800;
  border-radius: 999px;
  border: 1.5px solid var(--forge-border);
  background: var(--forge-surface);
  color: var(--forge-fg);
  font-family: var(--forge-font-mono);
}
.forge-badge-primary { background: var(--forge-primary); color: var(--forge-primary-content); }
.forge-badge-secondary { background: var(--forge-secondary); color: var(--forge-secondary-content); }
.forge-badge-success { background: var(--forge-success); color: var(--forge-primary-content); }
.forge-badge-warning { background: var(--forge-warning); color: #000; }
.forge-badge-error { background: var(--forge-error); color: #fff; }

.forge-card {
  background: var(--forge-bg);
  border: var(--forge-pop-border);
  border-radius: var(--forge-radius);
  box-shadow: var(--forge-pop-shadow);
  padding: 1.25rem;
}
.forge-card-header {
  border-bottom: 1.5px solid var(--forge-border);
  padding-bottom: 0.75rem;
  margin-bottom: 1rem;
}
.forge-card-title {
  font-size: 1.15rem;
  font-weight: 800;
  margin: 0;
}
.forge-card-desc {
  font-size: 0.85rem;
  color: var(--forge-muted);
  margin: 0.25rem 0 0;
}

.forge-alert {
  padding: 0.9rem 1.2rem;
  border-radius: var(--forge-radius);
  border: var(--forge-pop-border);
  box-shadow: var(--forge-pop-shadow-sm);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
  font-size: 0.9rem;
  font-weight: 600;
}
.forge-alert-info { background: color-mix(in srgb, var(--forge-secondary) 25%, var(--forge-bg)); }
.forge-alert-success { background: color-mix(in srgb, var(--forge-success) 25%, var(--forge-bg)); }
.forge-alert-warning { background: color-mix(in srgb, var(--forge-warning) 25%, var(--forge-bg)); }
.forge-alert-error { background: color-mix(in srgb, var(--forge-error) 25%, var(--forge-bg)); }

/* Forms */
.forge-form {
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
}
.forge-field-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.forge-label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--forge-fg);
}
.forge-required {
  color: var(--forge-error);
}
.forge-input, .forge-select, .forge-textarea {
  width: 100%;
  padding: 0.6rem 0.85rem;
  font-size: 0.9rem;
  font-family: inherit;
  border-radius: calc(var(--forge-radius) - 2px);
  border: var(--forge-pop-border);
  background: var(--forge-surface);
  color: var(--forge-fg);
  box-shadow: inset 1px 1px 0px rgba(0,0,0,0.1);
  outline: none;
  box-sizing: border-box;
}
.forge-input:focus, .forge-select:focus, .forge-textarea:focus {
  border-color: var(--forge-primary);
  box-shadow: 0 0 0 2px var(--forge-primary);
}
.forge-field-error {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--forge-error);
  margin-top: 0.2rem;
}
.forge-field-help {
  font-size: 0.78rem;
  color: var(--forge-muted);
}

/* Panels */
.forge-panel {
  border: var(--forge-pop-border);
  border-radius: var(--forge-radius);
  background: var(--forge-bg);
  box-shadow: var(--forge-pop-shadow);
  overflow: hidden;
}
.forge-panel-head {
  padding: 1rem 1.25rem;
  background: var(--forge-surface);
  border-bottom: var(--forge-pop-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.forge-panel-title {
  font-size: 1.1rem;
  font-weight: 800;
  margin: 0;
}
.forge-panel-body {
  padding: 1.25rem;
}

/* Stats */
.forge-stat {
  padding: 1.25rem;
  border: var(--forge-pop-border);
  border-radius: var(--forge-radius);
  background: var(--forge-bg);
  box-shadow: var(--forge-pop-shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.forge-stat-label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--forge-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.forge-stat-value {
  font-size: 1.75rem;
  font-weight: 900;
  color: var(--forge-fg);
}
.forge-stat-change {
  font-size: 0.8rem;
  font-weight: 700;
}
.forge-stat-change.up { color: var(--forge-success); }
.forge-stat-change.down { color: var(--forge-error); }

/* Tables */
.forge-table-wrap {
  width: 100%;
  overflow-x: auto;
  border: var(--forge-pop-border);
  border-radius: var(--forge-radius);
  background: var(--forge-bg);
}
.forge-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.875rem;
}
.forge-table th {
  padding: 0.75rem 1rem;
  background: var(--forge-surface);
  font-weight: 800;
  border-bottom: var(--forge-pop-border);
  color: var(--forge-fg);
}
.forge-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--forge-border);
}
.forge-table tr:hover {
  background: var(--forge-surface);
}

/* Layouts */
.forge-stack-v { display: flex; flex-direction: column; gap: 1rem; }
.forge-stack-h { display: flex; flex-direction: row; align-items: center; gap: 1rem; flex-wrap: wrap; }
.forge-grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1rem; }
.forge-grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1rem; }
.forge-grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; }

/* Scrollbar — pop-brutalist, theme-driven (auto light/dark). */
:root {
  --forge-scrollbar-size: 12px;
  --forge-scrollbar-track: var(--forge-surface);
  --forge-scrollbar-thumb: var(--forge-primary);
  --forge-scrollbar-thumb-hover: var(--forge-secondary);
  --forge-scrollbar-border: var(--forge-border);
}
html {
  scrollbar-color: var(--forge-scrollbar-thumb) var(--forge-scrollbar-track);
  scrollbar-width: thin;
}
::-webkit-scrollbar {
  width: var(--forge-scrollbar-size);
  height: var(--forge-scrollbar-size);
}
::-webkit-scrollbar-track {
  background: var(--forge-scrollbar-track);
  border-left: 2px solid var(--forge-scrollbar-border);
}
::-webkit-scrollbar-thumb {
  background: var(--forge-scrollbar-thumb);
  border: 2px solid var(--forge-scrollbar-border);
  border-radius: 0;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--forge-scrollbar-thumb-hover);
}
::-webkit-scrollbar-corner {
  background: var(--forge-scrollbar-track);
}