/* Demo-page component styles (.pkg-*) shared with the download package.
   Extracted from the package stylesheet; global resets deliberately omitted. */
:root {
  --pkg-bg: #f5f7fb;
  --pkg-surface: #ffffff;
  --pkg-surface-muted: #eef5ff;
  --pkg-border: #d7e3f4;
  --pkg-text: #102038;
  --pkg-text-muted: #4e627e;
  --pkg-primary: #0f9ec7;
  --pkg-primary-dark: #0b7fa1;
  --pkg-code-bg: #0f172a;
  --pkg-code-text: #d9e7ff;
  --pkg-success: #138a52;
  --pkg-warning: #b7791f;
  --pkg-shadow: 0 18px 44px rgba(15, 32, 56, 0.08);
  --pkg-radius-lg: 24px;
  --pkg-radius-md: 18px;
  --pkg-radius-sm: 12px;
}

.pkg-shell {width: min(1120px, calc(100% - 2rem));
    margin: 0 auto;}
.pkg-header {padding: 2.5rem 0 1rem;}
.pkg-topbar {display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;}
.pkg-brand {display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--pkg-text-muted);}
.pkg-brand-badge {display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.75rem;
    height: 2.75rem;
    padding: 0 0.85rem;
    border-radius: 999px;
    background: var(--pkg-primary);
    color: #fff;
    box-shadow: var(--pkg-shadow);}
.pkg-nav {display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;}
.pkg-nav a,
.pkg-chip {display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    padding: 0.65rem 1rem;
    border: 1px solid var(--pkg-border);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.78);
    color: var(--pkg-text);
    text-decoration: none;
    font-weight: 600;}
.pkg-nav a:hover,
.pkg-chip:hover {border-color: rgba(15, 158, 199, 0.45);
    box-shadow: 0 10px 24px rgba(15, 158, 199, 0.12);}
.pkg-hero {display: grid;
    gap: 1.5rem;
    grid-template-columns: minmax(0, 1.6fr) minmax(280px, 0.9fr);
    align-items: stretch;
    padding: 1rem 0 2rem;}
.pkg-card {background: var(--pkg-surface);
    border: 1px solid var(--pkg-border);
    border-radius: var(--pkg-radius-lg);
    box-shadow: var(--pkg-shadow);}
.pkg-card-body {padding: 1.6rem;}
.pkg-hero-main {padding: 2rem;}
.pkg-eyebrow {display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin-bottom: 1rem;
    color: var(--pkg-primary-dark);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;}
.pkg-hero h1,
.pkg-section h1,
.pkg-section h2,
.pkg-section h3 {margin: 0 0 0.75rem;
    line-height: 1.15;}
.pkg-hero h1,
.pkg-section h1 {font-size: clamp(2rem, 4vw, 3.25rem);}
.pkg-lead {margin: 0;
    color: var(--pkg-text-muted);
    font-size: 1.08rem;}
.pkg-hero-actions,
.pkg-stack {display: flex;
    flex-wrap: wrap;
    gap: 0.85rem;}
.pkg-hero-actions {margin-top: 1.5rem;}
.pkg-btn {display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    min-height: 3rem;
    padding: 0.8rem 1.2rem;
    border-radius: 999px;
    border: 1px solid var(--pkg-border);
    background: #fff;
    color: var(--pkg-text);
    text-decoration: none;
    font-weight: 700;}
.pkg-btn-primary {border-color: transparent;
    background: linear-gradient(135deg, var(--pkg-primary) 0%, #28b2dd 100%);
    color: #fff;
    box-shadow: 0 16px 32px rgba(15, 158, 199, 0.24);}
.pkg-grid {display: grid;
    gap: 1rem;}
.pkg-grid-2 {grid-template-columns: repeat(2, minmax(0, 1fr));}
.pkg-grid-3 {grid-template-columns: repeat(3, minmax(0, 1fr));}
.pkg-section {padding: 0 0 2rem;}
.pkg-section-title {margin-bottom: 1.25rem;}
.pkg-section-title p {margin: 0;
    color: var(--pkg-text-muted);}
.pkg-list {margin: 0;
    padding-left: 1.25rem;}
.pkg-list li + li {margin-top: 0.5rem;}
.pkg-table-wrap {overflow-x: auto;
    border-radius: var(--pkg-radius-md);
    border: 1px solid var(--pkg-border);
    background: var(--pkg-surface);}
.pkg-table {width: 100%;
    border-collapse: collapse;
    min-width: 760px;}
.pkg-table th,
.pkg-table td {padding: 0.85rem 1rem;
    border-bottom: 1px solid rgba(215, 227, 244, 0.85);
    text-align: left;
    vertical-align: top;}
.pkg-table th {background: #f7fbff;
    font-size: 0.92rem;}
.pkg-code {padding: 1rem 1.1rem;
    border-radius: var(--pkg-radius-md);
    background: var(--pkg-code-bg);
    color: var(--pkg-code-text);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);}
.pkg-code + .pkg-code,
.pkg-card + .pkg-card {margin-top: 1rem;}
.pkg-note,
.pkg-callout {padding: 1rem 1.1rem;
    border-radius: var(--pkg-radius-md);
    border: 1px solid var(--pkg-border);
    background: var(--pkg-surface-muted);}
.pkg-callout-warning {background: #fff8ee;
    border-color: #f1d3a0;}
.pkg-note strong,
.pkg-callout strong {display: inline-block;
    margin-right: 0.35rem;}
.pkg-kicker {color: var(--pkg-success);
    font-weight: 700;}
.pkg-demo-shell {display: grid;
    gap: 1rem;
    grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.85fr);}
.pkg-log {min-height: 18rem;
    max-height: 28rem;
    overflow: auto;
    padding: 1rem;
    border-radius: var(--pkg-radius-md);
    background: var(--pkg-code-bg);
    color: #d6ecff;
    font-size: 0.9rem;}
.pkg-log-entry + .pkg-log-entry {margin-top: 0.45rem;}
.pkg-muted {color: var(--pkg-text-muted);}
.pkg-footer {padding: 0 0 3rem;
    color: var(--pkg-text-muted);
    font-size: 0.95rem;}
.pkg-subnav {margin-top: 1rem;}
.pkg-subnav a {margin-right: 0.5rem;}
.pkg-inline-code {display: inline-block;
    padding: 0.1rem 0.4rem;
    border-radius: 0.45rem;
    background: rgba(15, 32, 56, 0.08);
    color: var(--pkg-text);}
.pkg-demo-controls {display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1rem;}
.pkg-field {display: grid;
    gap: 0.35rem;
    min-width: 150px;
    color: var(--pkg-text-muted);
    font-size: 0.9rem;}
.pkg-field input,
.pkg-field select {min-height: 2.5rem;
    padding: 0.55rem 0.75rem;
    border: 1px solid var(--pkg-border);
    border-radius: 0.8rem;
    font: inherit;
    color: var(--pkg-text);
    background: #fff;}
.pkg-stat-grid {display: grid;
    gap: 0.85rem;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));}
.pkg-stat {padding: 0.9rem 1rem;
    border-radius: var(--pkg-radius-md);
    border: 1px solid var(--pkg-border);
    background: #fff;}
.pkg-stat strong {display: block;
    font-size: 1.35rem;
    color: var(--pkg-text);}
.pkg-breadcrumbs {margin-bottom: 1rem;
    color: var(--pkg-text-muted);
    font-size: 0.95rem;}
.pkg-breadcrumbs a {text-decoration: none;}
@media (max-width: 920px) {
  .pkg-hero,
    .pkg-demo-shell,
    .pkg-grid-2,
    .pkg-grid-3 {grid-template-columns: 1fr;}
}
@media (max-width: 640px) {
  .pkg-shell {width: min(100% - 1rem, 1120px);}
  .pkg-hero-main,
    .pkg-card-body {padding: 1.2rem;}
  .pkg-nav {width: 100%;}
  .pkg-nav a {flex: 1 1 calc(50% - 0.65rem);}
}
.pkg-copy-btn {position: absolute; top: .5rem; right: .5rem;
    padding: .28rem .6rem; font-size: .68rem; font-weight: 700;
    color: #cbd5e1; background: rgba(15,23,42,.7);
    border: 1px solid rgba(148,163,184,.25); border-radius: .4rem;
    cursor: pointer; opacity: 0; transition: opacity .2s, background .2s;
    font-family: system-ui, sans-serif;}
.pkg-code:hover .pkg-copy-btn, .pkg-copy-btn:focus {opacity: 1;}
.pkg-copy-btn:hover {background: rgba(30,41,59,.92); color: #fff;}
.pkg-copy-btn.is-copied {color: #34d399; border-color: rgba(52,211,153,.5); opacity: 1;}
.pkg-expect {display: flex; gap: .6rem; align-items: flex-start;
    margin: 1rem 0 .25rem; padding: .7rem .9rem; border-radius: .6rem;
    border: 1px solid rgba(8,145,178,.25); background: rgba(8,145,178,.06);
    font-size: .83rem; line-height: 1.55; color: #155e75;}
.pkg-expect::before {content: "\1F441"; flex: none; font-size: .95rem; line-height: 1.4;}
.pkg-expect strong {color: #0e7490;}