/**
 * UI density tokens — compact by default; comfortable via body.density-comfortable.
 * FILE_PATH: public/assets/css/density.css
 */
:root,
body.density-compact {
  --control-height: 34px;
  --control-pad-y: 0.35rem;
  --control-pad-x: 0.65rem;
  --section-pad: 2.25rem;
  --panel-pad: 0.85rem;
  --form-gap: 0.75rem;
  --radius-sm: 10px;
  --header-min-height: 52px;
  --nav-control-min: 34px;
}

body.density-comfortable {
  --control-height: 40px;
  --control-pad-y: 0.5rem;
  --control-pad-x: 0.85rem;
  --section-pad: 3rem;
  --panel-pad: 1.1rem;
  --form-gap: 1rem;
  --radius-sm: 12px;
  --header-min-height: 60px;
  --nav-control-min: 40px;
}

/* Buttons */
.btn {
  min-height: var(--control-height);
  padding: var(--control-pad-y) var(--control-pad-x);
  border-radius: var(--radius-sm);
}
.btn-quiet,
.product-row .btn-quiet,
.btn-quiet-light {
  min-height: var(--control-height);
}

/* Forms */
.form-row {
  margin: 0 0 var(--form-gap);
}
.form-row input[type="text"],
.form-row input[type="email"],
.form-row input[type="password"],
.form-row input[type="url"],
.form-row input[type="number"],
.form-row input[type="datetime-local"],
.form-row input[type="search"],
.form-row input[type="tel"],
.form-row select,
.form-row textarea {
  min-height: var(--control-height);
  padding: var(--control-pad-y) var(--control-pad-x);
  border-radius: var(--radius-sm);
}
.form-row textarea {
  min-height: calc(var(--control-height) * 3.2);
}
.form-row input[type="checkbox"],
.form-row input[type="radio"],
.admin-main input[type="checkbox"],
.admin-main input[type="radio"] {
  width: 1rem;
  height: 1rem;
  min-width: 1rem;
  min-height: 1rem;
  max-width: 1rem;
  max-height: 1rem;
  margin: 0.2rem 0 0;
  padding: 0;
  flex: 0 0 auto;
}

/* Sections & panels */
.section {
  padding: var(--section-pad) 0;
}
.section.stacked {
  padding-top: calc(var(--section-pad) * 0.85);
  padding-bottom: calc(var(--section-pad) * 0.85);
}
.panel {
  padding: var(--panel-pad);
  border-radius: var(--radius-sm);
}
.content-panel {
  padding: calc(var(--panel-pad) * 1.55) calc(var(--panel-pad) * 1.65) calc(var(--panel-pad) * 1.4);
}

/* Public header */
.header-inner {
  min-height: var(--header-min-height);
}
.nav-toggle {
  min-height: var(--nav-control-min);
  padding: var(--control-pad-y) var(--control-pad-x);
  border-radius: var(--radius-sm);
}

/* Admin nav density */
.admin-nav-group-toggle {
  min-height: var(--nav-control-min);
  padding: var(--control-pad-y) 0.7rem;
}
.admin-side a {
  min-height: var(--nav-control-min);
  padding: 0.4rem 0.65rem;
}
.admin-collapse-summary {
  min-height: calc(var(--control-height) + 8px);
  padding: 0.65rem 0.85rem;
}
.webhook-events-grid label {
  min-height: var(--control-height);
}
.admin-main .btn,
.admin-main .form-row input[type="text"],
.admin-main .form-row input[type="email"],
.admin-main .form-row input[type="password"],
.admin-main .form-row input[type="url"],
.admin-main .form-row input[type="number"],
.admin-main .form-row input[type="datetime-local"],
.admin-main .form-row input[type="search"],
.admin-main .form-row input[type="tel"],
.admin-main .form-row select,
.admin-main .form-row textarea {
  min-height: var(--control-height);
}

/* Blog quiet buttons inherit density */
.blog-card .btn-quiet {
  min-height: var(--control-height);
  padding: var(--control-pad-y) 0.9rem;
  border-radius: var(--radius-sm);
}

/* Header auth links */
.header-auth-nav {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  margin-left: 0.35rem;
  padding-left: 0.75rem;
  border-left: 1px solid rgba(159, 231, 239, 0.25);
}
.header-auth-nav a {
  color: #cfe9ee;
  text-decoration: none;
  text-transform: uppercase;
  font-size: 0.76rem;
  letter-spacing: 0.07em;
  font-weight: 700;
}
.header-auth-nav a:hover { color: #fff; }

@media (max-width: 640px) {
  .content-panel {
    padding: calc(var(--panel-pad) * 1.25) calc(var(--panel-pad) * 1.15);
  }
  .header-auth-nav {
    border-left: 0;
    padding-left: 0;
    margin-left: 0;
    width: 100%;
  }
}