/* ==========================================================================
   Automagio – base.css
   Reset, Typografie, Hilfsklassen und die beiden Seitengerüste:
   .layout-site (öffentliche Website) und .layout-app (Dashboard).
   ========================================================================== */

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--font-sans);
    font-size: var(--fs-base);
    line-height: 1.55;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { margin: 0 0 0.5em; line-height: 1.2; font-weight: 600; letter-spacing: -0.01em; color: var(--text); }
h1 { font-size: var(--fs-2xl); }
h2 { font-size: var(--fs-xl); }
h3 { font-size: var(--fs-lg); }
h4 { font-size: var(--fs-md); }

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

a { color: var(--c-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

img, svg { display: inline-block; vertical-align: middle; }
.icon { flex: none; }

button { font: inherit; color: inherit; }

:focus-visible { outline: none; box-shadow: var(--focus); border-radius: var(--radius-sm); }

.skip-link {
    position: absolute; left: -9999px; top: 8px; z-index: 1000;
    padding: 8px 14px; background: var(--c-primary); color: var(--c-on-primary); border-radius: var(--radius);
}
.skip-link:focus { left: 8px; }

/* Hilfsklassen */
.container { max-width: var(--container); margin: 0 auto; padding: 0 var(--space-6); }
.text-2 { color: var(--text-2); }
.text-sm { font-size: var(--fs-sm); }
.text-xs { font-size: var(--fs-xs); }
.tnum { font-variant-numeric: tabular-nums; }
.stack > * + * { margin-top: var(--stack-gap, var(--space-4)); }
.row { display: flex; align-items: center; gap: var(--space-3); flex-wrap: wrap; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

/* Elemente, die nur in einem Modus sichtbar sind (z. B. Sonne/Mond im Umschalter) */
.only-dark { display: none; }
[data-theme="dark"] .only-dark { display: inline-flex; }
[data-theme="dark"] .only-light { display: none; }
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .only-dark { display: inline-flex; }
    :root:not([data-theme="light"]) .only-light { display: none; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { transition: none !important; animation: none !important; }
    html { scroll-behavior: auto; }
}

/* ==========================================================================
   Website (layout-site)
   ========================================================================== */

.site-header {
    position: sticky; top: 0; z-index: 50;
    height: var(--header-h);
    background: var(--surface);
    border-bottom: 1px solid var(--border);
}
.site-header-inner { display: flex; align-items: center; gap: var(--space-6); height: 100%; }

.brand {
    display: inline-flex; align-items: center; gap: 6px;
    font-weight: 600; font-size: 19px; letter-spacing: -0.02em;
    color: var(--c-primary); text-decoration: none;
}
.brand:hover { text-decoration: none; }
.brand .icon { color: var(--c-primary); }

.site-nav { margin-left: auto; display: flex; align-items: center; gap: var(--space-5); }
.site-nav > a:not(.btn) {
    color: var(--text-2); font-weight: 500; font-size: var(--fs-sm);
    padding: 6px 2px; border-bottom: 2px solid transparent;
}
.site-nav > a:not(.btn):hover { color: var(--text); text-decoration: none; }
.site-nav > a.is-active { color: var(--text); border-bottom-color: var(--c-primary); }
.site-header .nav-toggle { display: none; }

.site-main { min-height: 60vh; }
.section { padding: var(--space-9) 0; }
.section-alt { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-head { max-width: 640px; margin-bottom: var(--space-7); }
.section-head p { color: var(--text-2); font-size: var(--fs-md); }

.site-footer { border-top: 1px solid var(--border); background: var(--surface); padding: var(--space-8) 0 var(--space-6); margin-top: var(--space-9); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: var(--space-7); }
.footer-grid h4 { font-size: var(--fs-sm); margin-bottom: var(--space-3); }
.footer-grid a { display: block; color: var(--text-2); font-size: var(--fs-sm); padding: 3px 0; }
.footer-grid a:hover { color: var(--text); }
.footer-brand p { font-size: var(--fs-sm); color: var(--text-2); max-width: 32ch; }
.footer-host { display: inline-flex; align-items: center; gap: 6px; font-size: var(--fs-xs); color: var(--text-2); padding: 4px 10px; border: 1px solid var(--border); border-radius: 999px; }
.footer-bottom { border-top: 1px solid var(--border); margin-top: var(--space-7); padding-top: var(--space-5); font-size: var(--fs-sm); color: var(--text-2); display: flex; justify-content: space-between; gap: var(--space-4); flex-wrap: wrap; }

@media (max-width: 860px) {
    .site-header .nav-toggle { display: inline-flex; margin-left: auto; }
    .site-nav {
        display: none; position: absolute; left: 0; right: 0; top: var(--header-h);
        flex-direction: column; align-items: stretch; gap: var(--space-2);
        padding: var(--space-4) var(--space-6) var(--space-5);
        background: var(--surface); border-bottom: 1px solid var(--border);
    }
    .site-nav.is-open { display: flex; }
    .site-nav > a:not(.btn) { padding: 8px 0; border-bottom: 0; font-size: var(--fs-base); }
    .site-nav .btn { justify-content: center; }
    .site-nav .lang-switch, .site-nav .icon-btn { align-self: flex-start; }
    .section { padding: var(--space-8) 0; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) {
    .footer-grid { grid-template-columns: 1fr; }
}

/* ==========================================================================
   App / Dashboard (layout-app)
   ========================================================================== */

.app-topbar {
    position: fixed; top: 0; left: 0; right: 0; z-index: 60;
    height: var(--topbar-h);
    display: flex; align-items: center; gap: var(--space-4);
    padding: 0 var(--space-5);
    background: var(--surface); border-bottom: 1px solid var(--border);
}
.app-topbar .brand { font-size: 18px; }

.tenant-switch {
    display: inline-flex; align-items: center; gap: 6px;
    height: 34px; padding: 0 10px; border: 0; border-radius: var(--radius);
    background: transparent; color: var(--text-2); font-size: var(--fs-sm); font-weight: 500; cursor: pointer;
}
.tenant-switch:hover { background: var(--surface-2); color: var(--text); }

.topbar-search {
    display: flex; align-items: center; gap: 8px; flex: 1; max-width: 360px;
    height: 36px; padding: 0 12px; margin: 0;
    border: 1px solid var(--border); border-radius: var(--radius);
    background: var(--bg); color: var(--text-3);
}
.topbar-search:focus-within { border-color: var(--c-primary); box-shadow: var(--focus); }
.topbar-search input { flex: 1; min-width: 0; border: 0; outline: 0; background: transparent; font: inherit; font-size: var(--fs-sm); color: var(--text); }
.topbar-search input::placeholder { color: var(--text-3); }
.topbar-actions { margin-left: auto; display: flex; align-items: center; gap: var(--space-1); }

.app-rail {
    position: fixed; top: var(--topbar-h); left: 0; bottom: 0; z-index: 55;
    width: var(--rail-w);
    display: flex; flex-direction: column;
    padding: var(--space-3) var(--space-2);
    background: var(--surface); border-right: 1px solid var(--border);
    overflow: hidden;
    transition: width 0.18s ease;
}
.app-rail:hover, .rail-pinned .app-rail { width: var(--rail-w-open); }
.app-rail ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 2px; }
.app-rail li a, .rail-pin {
    display: flex; align-items: center; gap: 12px;
    height: 40px; padding: 0 10px; border-radius: var(--radius);
    color: var(--text-2); font-size: var(--fs-sm); font-weight: 500; white-space: nowrap;
}
.app-rail li a:hover, .rail-pin:hover { background: var(--surface-2); color: var(--text); text-decoration: none; }
.app-rail li a.is-active { background: var(--c-primary-soft); color: var(--c-primary); }
.app-rail .icon { width: 20px; height: 20px; }
.rail-label { opacity: 0; transition: opacity 0.12s ease; }
.app-rail:hover .rail-label, .rail-pinned .rail-label { opacity: 1; }
.rail-sep { border-top: 1px solid var(--border); margin: var(--space-3) var(--space-2); }
.rail-pin { margin-top: auto; border: 0; background: transparent; cursor: pointer; text-align: left; }
.rail-pin .icon { transition: transform 0.18s ease; }
.rail-pinned .rail-pin .icon { transform: rotate(45deg); }
.rail-pin .rail-label-unpin { display: none; }
.rail-pinned .rail-pin .rail-label-pin { display: none; }
.rail-pinned .rail-pin .rail-label-unpin { display: inline; }

.app-main {
    margin-left: var(--rail-w);
    padding: calc(var(--topbar-h) + var(--space-6)) var(--space-6) var(--space-8);
    min-height: 100vh;
    transition: margin-left 0.18s ease;
}
.rail-pinned .app-main { margin-left: var(--rail-w-open); }

.app-footer {
    margin-left: var(--rail-w);
    padding: var(--space-4) var(--space-6);
    display: flex; gap: var(--space-4); flex-wrap: wrap;
    font-size: var(--fs-xs); color: var(--text-3);
    transition: margin-left 0.18s ease;
}
.app-footer a { color: var(--text-3); }
.app-footer a:hover { color: var(--text); }
.rail-pinned .app-footer { margin-left: var(--rail-w-open); }
.dev-badge { display: inline-flex; align-items: center; gap: 6px; padding: 2px 8px; border-radius: 999px; background: var(--c-warning-soft); color: var(--c-warning); font-weight: 500; }

.app-topbar .app-menu-btn { display: none; }
.rail-backdrop { display: none; }

/* Seitenkopf und Widget-Raster */
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: var(--space-4); margin-bottom: var(--space-6); flex-wrap: wrap; }
.page-head h1 { font-size: var(--fs-lg); margin: 0; }
.page-head .page-sub { font-size: var(--fs-sm); color: var(--text-2); margin: 2px 0 0; }
.page-actions { display: flex; gap: var(--space-2); }

.widget-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: var(--space-4); }
.span-3  { grid-column: span 3; }
.span-4  { grid-column: span 4; }
.span-6  { grid-column: span 6; }
.span-8  { grid-column: span 8; }
.span-12 { grid-column: span 12; }

@media (max-width: 1100px) {
    .span-3 { grid-column: span 6; }
    .span-4 { grid-column: span 6; }
    .span-8 { grid-column: span 12; }
}
@media (max-width: 860px) {
    .app-rail { transform: translateX(-100%); width: var(--rail-w-open); transition: transform 0.18s ease; }
    .app-rail:hover { width: var(--rail-w-open); }
    .rail-open .app-rail { transform: none; }
    .rail-label { opacity: 1; }
    .app-main, .app-footer, .rail-pinned .app-main, .rail-pinned .app-footer { margin-left: 0; }
    .app-main { padding-left: var(--space-4); padding-right: var(--space-4); }
    .app-topbar .app-menu-btn { display: inline-flex; }
    .rail-pin, .tenant-switch, .topbar-search { display: none; }
    .rail-open .rail-backdrop { display: block; position: fixed; left: 0; right: 0; top: var(--topbar-h); bottom: 0; z-index: 54; background: rgba(15, 17, 23, 0.45); }
}
@media (max-width: 720px) {
    .span-3, .span-4, .span-6, .span-8 { grid-column: span 12; }
}