/* ══════════════════════════════════════════
   COMPONENTS
   Buttons, copy button, GitHub star,
   theme toggle, modal, rules table,
   scrollbar.
══════════════════════════════════════════ */

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 13px;
  border-radius: var(--r-md);
  font-size: 12.5px;
  font-weight: 500;
  font-family: var(--font-ui);
  cursor: pointer;
  border: 1px solid transparent;
  transition: all .15s ease;
  text-decoration: none;
  white-space: nowrap;
  line-height: 1;
}
.btn:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; }

.btn-secondary {
  background: var(--surface);
  color: var(--text-secondary);
  border-color: var(--border);
  box-shadow: var(--shadow-xs);
}
.btn-secondary:hover {
  background: var(--surface-raised);
  border-color: var(--border-strong);
  color: var(--text);
  box-shadow: var(--shadow-sm);
}
.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border-color: transparent;
}
.btn-ghost:hover {
  background: var(--bg);
  color: var(--text-secondary);
  border-color: var(--border);
}
.btn-icon { font-size: 14px; line-height: 1; }

/* ── Copy button ── */
.copy-btn {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 9px;
  border-radius: var(--r-md);
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text-muted);
  font-size: 11.5px;
  font-weight: 500;
  font-family: var(--font-ui);
  cursor: pointer;
  transition: all .15s;
  flex-shrink: 0;
}
.copy-btn:hover {
  background: var(--surface-raised);
  border-color: var(--border-strong);
  color: var(--text-secondary);
  box-shadow: var(--shadow-xs);
}
.copy-btn.copied {
  background: var(--success-bg);
  border-color: var(--success-border);
  color: var(--success);
}
.copy-btn:disabled { opacity: .45; cursor: default; }

/* ── GitHub star button ── */
.gh-star {
  display: inline-flex;
  align-items: center;
  gap: 0;
  text-decoration: none;
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.18);
  font-size: 12px;
  font-weight: 600;
  font-family: var(--font-ui);
  flex-shrink: 0;
  position: relative;
  z-index: 1;
  transition: border-color .2s, box-shadow .2s;
  box-shadow: 0 1px 3px rgba(0,0,0,.2);
}
.gh-star:hover {
  border-color: rgba(255,255,255,.32);
  box-shadow: 0 2px 8px rgba(0,0,0,.3);
}
.gh-star-main {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 11px;
  background: rgba(255,255,255,.1);
  color: rgba(255,255,255,.92);
  transition: background .2s;
}
.gh-star:hover .gh-star-main { background: rgba(255,255,255,.16); }
.gh-star-icon { flex-shrink: 0; line-height: 1; }
.gh-star-sep {
  width: 1px;
  align-self: stretch;
  background: rgba(255,255,255,.18);
  flex-shrink: 0;
}
.gh-star-count {
  padding: 5px 10px;
  background: rgba(255,255,255,.07);
  color: rgba(255,255,255,.8);
  min-width: 32px;
  text-align: center;
  transition: background .2s;
  font-family: var(--font-code);
  font-size: 11.5px;
}
.gh-star:hover .gh-star-count { background: rgba(255,255,255,.12); }

/* ── Theme toggle ── */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--r-md);
  cursor: pointer;
  font-size: 16px;
  transition: background .2s, border-color .2s, transform .15s;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
  line-height: 1;
}
.theme-toggle:hover {
  background: rgba(255,255,255,.14);
  border-color: rgba(255,255,255,.2);
  transform: scale(1.05);
}
.theme-toggle:active { transform: scale(.96); }
.theme-toggle .icon-sun  { display: none; }
.theme-toggle .icon-moon { display: block; }
[data-theme="dark"] .theme-toggle .icon-sun  { display: block; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-toggle .icon-sun  { display: block; }
  :root:not([data-theme="light"]) .theme-toggle .icon-moon { display: none; }
}

/* ── Dark scrollbar ── */
[data-theme="dark"] ::-webkit-scrollbar-thumb { background: var(--border-strong); }

/* ════════════════════════════════════════
   MODAL
════════════════════════════════════════ */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15,25,35,.55);
  backdrop-filter: blur(4px);
  z-index: 100;
  align-items: center;
  justify-content: center;
  animation: fadeIn .15s ease;
}
.modal-overlay.open { display: flex; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.modal {
  background: var(--surface);
  border-radius: var(--r-2xl);
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(0,0,0,.06);
  width: 700px;
  max-width: 95vw;
  max-height: 82vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: slideUp .2s cubic-bezier(.34,1.4,.64,1);
}
@keyframes slideUp { from { transform: translateY(16px); opacity: 0; } to { transform: none; opacity: 1; } }

.modal-header {
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--surface);
}
.modal-header-icon {
  width: 36px; height: 36px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}
.modal-header h2 { font-size: 16px; font-weight: 700; flex: 1; letter-spacing: -.2px; }
.modal-close {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  cursor: pointer;
  font-size: 14px;
  color: var(--text-muted);
  padding: 0;
  width: 30px; height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .15s;
}
.modal-close:hover { background: var(--error-bg); border-color: var(--error-border); color: var(--error); }
.modal-body { overflow-y: auto; padding: 16px 24px 24px; }

/* ── Rules table inside modal ── */
.rule-section { margin-bottom: 20px; }
.rule-section-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .8px;
  margin-bottom: 8px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
}
.rule-section-title.errors   { color: var(--error); }
.rule-section-title.warnings { color: var(--warning); }
.rule-section-title.infos    { color: var(--info); }

.rule-row {
  display: grid;
  grid-template-columns: 180px 72px 1fr;
  gap: 10px;
  align-items: start;
  padding: 8px 0;
  border-bottom: 1px solid var(--bg);
  font-size: 12.5px;
}
.rule-row:last-child { border-bottom: none; }
.rule-id {
  font-family: var(--font-code);
  font-size: 11.5px;
  color: var(--text-secondary);
  background: var(--bg);
  padding: 2px 7px;
  border-radius: var(--r-sm);
  border: 1px solid var(--border);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.rule-sev {
  font-size: 10.5px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 99px;
  text-transform: uppercase;
  letter-spacing: .4px;
  text-align: center;
}
.sev-error   { background: var(--error-bg);   color: var(--error);   border: 1px solid var(--error-border); }
.sev-warning { background: var(--warning-bg); color: var(--warning); border: 1px solid var(--warning-border); }
.sev-info    { background: var(--info-bg);    color: var(--info);    border: 1px solid var(--info-border); }
.rule-desc { color: var(--text-muted); line-height: 1.5; }

/* ════════════════════════════════════════
   SCROLLBAR
════════════════════════════════════════ */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-strong); }