/*!
 * Kündigungshilfe – Designsystem
 *
 * Alle Farben, Radien, Schatten und Schriften sind als CSS-Variablen (Tokens) definiert.
 * Themes (?theme=…) und Partner-Stylesheets überschreiben nur diese Variablen.
 * Bewährte Klassennamen (btn-primary, form-control, panel, has-error, alert …) bleiben erhalten,
 * damit bestehende Partner-Anpassungen und die in der Datenbank hinterlegten Selektoren
 * (sparten_optionen.hide_elements) weiterhin greifen.
 */

@font-face {
    font-family: "Inter";
    font-style: normal;
    font-display: swap;
    font-weight: 100 900;
    src: url("../fonts/inter-latin-wght-normal.woff2") format("woff2");
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
    font-family: "Inter";
    font-style: normal;
    font-display: swap;
    font-weight: 100 900;
    src: url("../fonts/inter-latin-ext-wght-normal.woff2") format("woff2");
    unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

:root {
    color-scheme: light;

    /* Marke */
    --kh-primary: #0a77b3;
    --kh-primary-hover: #08618f;
    --kh-primary-strong: #0d4a7a;
    --kh-primary-soft: #e7f3fa;
    --kh-on-primary: #ffffff;
    --kh-accent: #f59e0b;
    --kh-accent-hover: #d98706;
    --kh-on-accent: #1f1300;

    /* Flächen & Text */
    --kh-bg: #f4f7fa;
    --kh-surface: #ffffff;
    --kh-surface-2: #f8fafc;
    --kh-surface-3: #eef3f7;
    --kh-text: #152331;
    --kh-muted: #5b6b7c;
    --kh-border: #dbe3eb;
    --kh-border-strong: #b9c6d3;
    --kh-header-bg: #ffffff;
    --kh-header-text: var(--kh-text);
    --kh-footer-bg: #0f2233;
    --kh-footer-text: #c9d5e1;
    --kh-hero-from: #0d4a7a;
    --kh-hero-to: #0a8fcf;

    /* Status */
    --kh-success: #16895a;
    --kh-success-soft: #e5f6ee;
    --kh-danger: #cf3b31;
    --kh-danger-soft: #fdecea;
    --kh-warning: #b86e00;
    --kh-warning-soft: #fff4e0;
    --kh-info: var(--kh-primary);
    --kh-info-soft: var(--kh-primary-soft);

    /* Form */
    --kh-font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --kh-font-heading: var(--kh-font);
    --kh-font-letter: "Helvetica Neue", Helvetica, Arial, sans-serif;
    --kh-font-size: 16px;
    --kh-radius: 14px;
    --kh-radius-sm: 9px;
    --kh-radius-btn: 10px;
    --kh-shadow-sm: 0 1px 2px rgba(16, 36, 56, .06), 0 1px 3px rgba(16, 36, 56, .08);
    --kh-shadow: 0 2px 6px rgba(16, 36, 56, .06), 0 10px 28px rgba(16, 36, 56, .08);
    --kh-shadow-lg: 0 24px 60px rgba(16, 36, 56, .22);
    --kh-focus: 0 0 0 3px color-mix(in srgb, var(--kh-primary) 30%, transparent);
    --kh-container: 1140px;
    --kh-gutter: 16px;
}

/* ---------- Basis ---------- */

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

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

body {
    margin: 0;
    font-family: var(--kh-font);
    font-size: var(--kh-font-size);
    line-height: 1.55;
    color: var(--kh-text);
    background: var(--kh-bg);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main { flex: 1 0 auto; }

h1, h2, h3, h4 {
    font-family: var(--kh-font-heading);
    line-height: 1.2;
    margin: 0 0 .6em;
    letter-spacing: -.015em;
    color: var(--kh-text);
}
h1 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); font-weight: 750; }
h2 { font-size: clamp(1.35rem, 2.4vw, 1.75rem); font-weight: 700; }
h3 { font-size: 1.2rem; font-weight: 650; }
h4 { font-size: 1.05rem; font-weight: 650; }

p { margin: 0 0 1em; }

a { color: var(--kh-primary); text-underline-offset: 2px; }
a:hover { color: var(--kh-primary-hover); }

img, svg { max-width: 100%; }

hr { border: 0; border-top: 1px solid var(--kh-border); margin: 2rem 0; }

small, .small { font-size: .875em; }

.text-muted { color: var(--kh-muted) !important; }
.text-danger { color: var(--kh-danger) !important; }
.text-success { color: var(--kh-success) !important; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.hidden, [hidden] { display: none !important; }

.visually-hidden {
    position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}

:focus-visible { outline: none; box-shadow: var(--kh-focus); }

.container {
    width: 100%;
    max-width: var(--kh-container);
    margin: 0 auto;
    padding: 0 var(--kh-gutter);
}

@media (min-width: 768px) {
    :root { --kh-gutter: 24px; }
}

/* ---------- Header ---------- */

.kh-header {
    background: var(--kh-header-bg);
    color: var(--kh-header-text);
    border-bottom: 1px solid var(--kh-border);
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: saturate(1.4) blur(8px);
}

.kh-header .container {
    display: flex;
    align-items: center;
    gap: 16px;
    min-height: 68px;
}

.kh-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: inherit;
    font-weight: 750;
    font-size: 1.15rem;
    letter-spacing: -.02em;
    margin-right: auto;
}
.kh-brand:hover { color: inherit; }
.kh-brand svg { width: 52px; height: auto; flex: none; }
.kh-brand small { display: block; font-weight: 500; font-size: .72rem; color: var(--kh-muted); letter-spacing: 0; }

.kh-nav { display: flex; gap: 4px; }
.kh-nav a {
    text-decoration: none;
    color: var(--kh-muted);
    font-weight: 550;
    font-size: .95rem;
    padding: 8px 12px;
    border-radius: 999px;
    transition: background .15s, color .15s;
}
.kh-nav a:hover { color: var(--kh-text); background: var(--kh-surface-3); }
.kh-nav a.sel, .kh-nav a[aria-current="page"] { color: var(--kh-primary); background: var(--kh-primary-soft); }
.kh-nav a.kh-nav-cta { background: var(--kh-primary); color: var(--kh-on-primary); }
.kh-nav a.kh-nav-cta:hover { background: var(--kh-primary-hover); }

.kh-nav-toggle { display: none; }

@media (max-width: 700px) {
    .kh-nav-toggle {
        display: inline-flex;
        background: none;
        border: 1px solid var(--kh-border);
        border-radius: 10px;
        padding: 8px 10px;
        color: var(--kh-text);
        cursor: pointer;
    }
    .kh-nav {
        display: none;
        position: absolute;
        left: 0; right: 0; top: 100%;
        background: var(--kh-header-bg);
        border-bottom: 1px solid var(--kh-border);
        flex-direction: column;
        padding: 8px var(--kh-gutter) 16px;
        box-shadow: var(--kh-shadow);
    }
    .kh-nav.open { display: flex; }
    .kh-nav a { padding: 12px 14px; }
}

/* ---------- Footer ---------- */

.kh-footer {
    background: var(--kh-footer-bg);
    color: var(--kh-footer-text);
    margin-top: 56px;
    padding: 40px 0 28px;
    font-size: .92rem;
}
.kh-footer a { color: #fff; }
.kh-footer .container { display: grid; gap: 28px; grid-template-columns: 1fr; }
@media (min-width: 800px) {
    .kh-footer .container { grid-template-columns: 2fr 1fr 1fr; }
}
.kh-footer h4 { color: #fff; font-size: .95rem; margin-bottom: .5em; }
.kh-footer ul { list-style: none; margin: 0; padding: 0; }
.kh-footer li { margin: 0 0 .4em; }
.kh-footer .kh-copy {
    grid-column: 1 / -1;
    border-top: 1px solid rgba(255, 255, 255, .12);
    padding-top: 18px;
    font-size: .82rem;
    opacity: .8;
}

/* ---------- Buttons ---------- */

.btn {
    --btn-bg: var(--kh-surface);
    --btn-fg: var(--kh-text);
    --btn-border: var(--kh-border-strong);
    --btn-bg-hover: var(--kh-surface-3);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5em;
    font: inherit;
    font-weight: 600;
    font-size: .98rem;
    line-height: 1.25;
    padding: .72em 1.2em;
    border-radius: var(--kh-radius-btn);
    border: 1px solid var(--btn-border);
    background: var(--btn-bg);
    color: var(--btn-fg);
    text-decoration: none;
    cursor: pointer;
    transition: background .15s, border-color .15s, box-shadow .15s, transform .05s;
    white-space: normal;
    text-align: center;
    -webkit-tap-highlight-color: transparent;
}
.btn:hover { background: var(--btn-bg-hover); color: var(--btn-fg); }
.btn:active { transform: translateY(1px); }
.btn:disabled, .btn.disabled { opacity: .55; cursor: not-allowed; transform: none; }
.btn svg { width: 1.15em; height: 1.15em; flex: none; }

.btn-primary { --btn-bg: var(--kh-primary); --btn-fg: var(--kh-on-primary); --btn-border: var(--kh-primary); --btn-bg-hover: var(--kh-primary-hover); }
.btn-accent, .btn-warning { --btn-bg: var(--kh-accent); --btn-fg: var(--kh-on-accent); --btn-border: var(--kh-accent); --btn-bg-hover: var(--kh-accent-hover); }
.btn-success { --btn-bg: var(--kh-success); --btn-fg: #fff; --btn-border: var(--kh-success); --btn-bg-hover: color-mix(in srgb, var(--kh-success) 85%, #000); }
.btn-danger { --btn-bg: var(--kh-surface); --btn-fg: var(--kh-danger); --btn-border: color-mix(in srgb, var(--kh-danger) 45%, transparent); --btn-bg-hover: var(--kh-danger-soft); }
.btn-info { --btn-bg: var(--kh-primary-soft); --btn-fg: var(--kh-primary-strong); --btn-border: transparent; --btn-bg-hover: color-mix(in srgb, var(--kh-primary-soft) 70%, var(--kh-primary) 12%); }
.btn-default, .btn-secondary { --btn-bg: var(--kh-surface); --btn-fg: var(--kh-text); }
.btn-ghost, .btn-link { --btn-bg: transparent; --btn-border: transparent; --btn-bg-hover: var(--kh-surface-3); --btn-fg: var(--kh-primary); }
.btn-lg { font-size: 1.06rem; padding: .9em 1.5em; }
.btn-sm, .btn-xs { font-size: .85rem; padding: .45em .8em; border-radius: 8px; }
.btn-block { display: flex; width: 100%; }

.btn-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.btn-row.end { justify-content: flex-end; }
.btn-row.between { justify-content: space-between; }

/* ---------- Karten / Panels ---------- */

.card, .panel {
    background: var(--kh-surface);
    border: 1px solid var(--kh-border);
    border-radius: var(--kh-radius);
    box-shadow: var(--kh-shadow-sm);
}
.card-body, .panel-body { padding: 20px; }
@media (min-width: 768px) { .card-body, .panel-body { padding: 24px 28px; } }
.panel-heading, .card-header {
    padding: 16px 20px 0;
    display: flex;
    align-items: center;
    gap: 10px;
    justify-content: space-between;
    flex-wrap: wrap;
}
@media (min-width: 768px) { .panel-heading, .card-header { padding: 20px 28px 0; } }
.panel-title { font-size: 1.08rem; font-weight: 700; margin: 0; }
.panel-heading + .panel-body { padding-top: 14px; }

.panel-info { background: var(--kh-info-soft); border-color: color-mix(in srgb, var(--kh-primary) 20%, transparent); box-shadow: none; }

/* ---------- Formulare ---------- */

label, .label { display: block; font-weight: 600; font-size: .92rem; margin: 0 0 6px; color: var(--kh-text); }
label small, .label small { font-weight: 450; }

.form-group, .div { margin-bottom: 16px; position: relative; }

.form-control {
    display: block;
    width: 100%;
    font: inherit;
    font-size: 1rem;
    line-height: 1.4;
    color: var(--kh-text);
    background: var(--kh-surface);
    border: 1px solid var(--kh-border-strong);
    border-radius: var(--kh-radius-sm);
    padding: .68em .85em;
    min-height: 46px;
    transition: border-color .15s, box-shadow .15s;
    appearance: none;
}
.form-control::placeholder { color: color-mix(in srgb, var(--kh-muted) 75%, transparent); }
.form-control:focus { outline: none; border-color: var(--kh-primary); box-shadow: var(--kh-focus); }
.form-control[readonly] { background: var(--kh-surface-2); }
textarea.form-control { resize: vertical; min-height: 110px; }

select.form-control {
    padding-right: 2.4em;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%235b6b7c' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m4 6 4 4 4-4'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right .8em center;
    cursor: pointer;
}

.form-row { display: grid; gap: 0 14px; grid-template-columns: 1fr; }
@media (min-width: 560px) {
    .form-row.cols-2 { grid-template-columns: 1fr 1fr; }
    .form-row.plz-ort { grid-template-columns: 9rem 1fr; }
}

.input-group { display: flex; align-items: stretch; position: relative; }
.input-group > .form-control { flex: 1 1 auto; min-width: 0; }
.input-group > .form-control:not(:last-child) { border-top-right-radius: 0; border-bottom-right-radius: 0; }
.input-group-addon {
    display: flex;
    align-items: center;
    padding: 0 .8em;
    background: var(--kh-surface-2);
    border: 1px solid var(--kh-border-strong);
    border-left: 0;
    color: var(--kh-muted);
    font-size: .92rem;
}
.input-group-addon:last-child { border-radius: 0 var(--kh-radius-sm) var(--kh-radius-sm) 0; }
.input-group > .btn { border-radius: 0 var(--kh-radius-sm) var(--kh-radius-sm) 0; }

/* Validierung */
.field-state {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 18px; height: 18px;
    pointer-events: none;
    opacity: 0;
    transition: opacity .15s;
}
.has-field-state { position: relative; }
.has-field-state .form-control { padding-right: 2.4em; }
.has-success .field-state.ok, .has-error.touched .field-state.err { opacity: 1; }
.field-state.ok { color: var(--kh-success); }
.field-state.err { color: var(--kh-danger); }

.has-error.touched .form-control { border-color: var(--kh-danger); }
.has-error.touched .form-control:focus { box-shadow: 0 0 0 3px color-mix(in srgb, var(--kh-danger) 22%, transparent); }
.has-success .form-control { border-color: color-mix(in srgb, var(--kh-success) 70%, var(--kh-border-strong)); }

.field-hint { display: block; margin-top: 6px; font-size: .84rem; color: var(--kh-muted); }
.field-error { display: none; margin-top: 6px; font-size: .84rem; color: var(--kh-danger); }
.has-error.touched .field-error { display: block; }

.checking::after {
    content: "";
    position: absolute;
    right: 12px; top: 50%;
    width: 16px; height: 16px; margin-top: -8px;
    border: 2px solid var(--kh-border-strong);
    border-top-color: var(--kh-primary);
    border-radius: 50%;
    animation: kh-spin .7s linear infinite;
}

/* ---------- Hinweise ---------- */

.alert {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    padding: 14px 16px;
    border-radius: var(--kh-radius-sm);
    border: 1px solid transparent;
    font-size: .94rem;
    margin-bottom: 16px;
}
.alert svg { flex: none; width: 20px; height: 20px; margin-top: 1px; }
.alert > div > :last-child { margin-bottom: 0; }
.alert-info { background: var(--kh-info-soft); color: var(--kh-primary-strong); border-color: color-mix(in srgb, var(--kh-primary) 18%, transparent); }
.alert-success { background: var(--kh-success-soft); color: color-mix(in srgb, var(--kh-success) 80%, #000); border-color: color-mix(in srgb, var(--kh-success) 25%, transparent); }
.alert-warning { background: var(--kh-warning-soft); color: color-mix(in srgb, var(--kh-warning) 85%, #000); border-color: color-mix(in srgb, var(--kh-warning) 25%, transparent); }
.alert-danger { background: var(--kh-danger-soft); color: color-mix(in srgb, var(--kh-danger) 85%, #000); border-color: color-mix(in srgb, var(--kh-danger) 25%, transparent); }

.badge {
    display: inline-flex; align-items: center; gap: .35em;
    font-size: .78rem; font-weight: 650;
    padding: .25em .7em; border-radius: 999px;
    background: var(--kh-primary-soft); color: var(--kh-primary-strong);
}

/* ---------- Tabs ---------- */

.tabs {
    display: flex;
    gap: 4px;
    padding: 4px;
    background: var(--kh-surface-3);
    border-radius: 12px;
    margin-bottom: 20px;
    overflow-x: auto;
}
.tabs button {
    flex: 1 1 0;
    display: inline-flex; align-items: center; justify-content: center; gap: .45em;
    font: inherit; font-weight: 600; font-size: .92rem;
    padding: .6em .9em;
    border: 0; border-radius: 9px;
    background: transparent; color: var(--kh-muted);
    cursor: pointer; white-space: nowrap;
}
.tabs button svg { width: 18px; height: 18px; flex: none; }
.tabs button[aria-selected="true"] { background: var(--kh-surface); color: var(--kh-text); box-shadow: var(--kh-shadow-sm); }

/* ---------- Dialog ---------- */

dialog.kh-modal {
    border: 0;
    padding: 0;
    width: min(620px, calc(100vw - 24px));
    max-height: calc(100dvh - 24px);
    border-radius: 18px;
    background: var(--kh-surface);
    color: var(--kh-text);
    box-shadow: var(--kh-shadow-lg);
}
dialog.kh-modal::backdrop { background: rgba(10, 22, 34, .55); backdrop-filter: blur(3px); }
dialog.kh-modal[open] { animation: kh-pop .18s ease-out; }
.kh-modal-header {
    display: flex; align-items: center; justify-content: space-between; gap: 12px;
    padding: 18px 22px 0;
}
.kh-modal-header h3 { margin: 0; font-size: 1.15rem; display: flex; align-items: center; gap: .5em; }
.kh-modal-close {
    border: 0; background: var(--kh-surface-3); color: var(--kh-muted);
    width: 36px; height: 36px; border-radius: 50%;
    display: inline-flex; align-items: center; justify-content: center; cursor: pointer; flex: none;
}
.kh-modal-close:hover { color: var(--kh-text); }
.kh-modal-body { padding: 16px 22px 22px; }
.kh-modal-body > :last-child { margin-bottom: 0; }

@media (max-width: 560px) {
    dialog.kh-modal {
        width: 100vw; max-width: 100vw; max-height: 92dvh;
        margin: auto 0 0; border-radius: 18px 18px 0 0;
    }
}

/* ---------- Toast ---------- */

.kh-toast-stack {
    position: fixed; z-index: 100;
    left: 50%; bottom: 20px; transform: translateX(-50%);
    display: grid; gap: 8px; width: min(440px, calc(100vw - 24px));
}
.kh-toast {
    background: #10212f; color: #fff;
    padding: 12px 16px; border-radius: 12px;
    box-shadow: var(--kh-shadow-lg);
    font-size: .94rem;
    animation: kh-pop .2s ease-out;
    display: flex; gap: 10px; align-items: center;
}
.kh-toast.success { background: var(--kh-success); }
.kh-toast.error { background: var(--kh-danger); }

/* ---------- Spinner ---------- */

.spinner {
    display: inline-block;
    width: 1.1em; height: 1.1em;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: kh-spin .7s linear infinite;
    vertical-align: -.15em;
}
.loading-block { display: flex; align-items: center; justify-content: center; gap: 12px; padding: 24px; color: var(--kh-muted); }

@keyframes kh-spin { to { transform: rotate(360deg); } }
@keyframes kh-pop { from { opacity: 0; transform: translateY(8px) scale(.98); } to { opacity: 1; transform: none; } }
@keyframes kh-fade-in { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}

/* ---------- Inhaltsseiten ---------- */

.page-hero {
    background: linear-gradient(135deg, var(--kh-hero-from), var(--kh-hero-to));
    color: #fff;
    padding: 44px 0 40px;
}
.page-hero h1 { color: #fff; margin: 0; }
.page-hero p { color: rgba(255, 255, 255, .85); margin: .6em 0 0; max-width: 720px; }

.page-content { padding: 36px 0 0; }
.page-content .card-body > :last-child { margin-bottom: 0; }

.prose { max-width: 820px; }
.prose h2, .prose h3 { margin-top: 1.6em; }
.prose h1:first-child, .prose h2:first-child, .prose h3:first-child { margin-top: 0; }
.prose pre, pre {
    background: #0f1d2a; color: #d6e2ee;
    padding: 16px 18px; border-radius: 12px;
    overflow: auto; font-size: .84rem; line-height: 1.5;
    max-width: 100%;
}
code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .9em; }
:not(pre) > code { background: var(--kh-surface-3); padding: .1em .4em; border-radius: 6px; }

table.table { width: 100%; border-collapse: collapse; font-size: .94rem; }
.table th, .table td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--kh-border); vertical-align: top; }
.table th { font-weight: 650; color: var(--kh-muted); font-size: .82rem; text-transform: uppercase; letter-spacing: .04em; }
.table tbody tr:hover { background: var(--kh-surface-2); }
.table-wrap { overflow-x: auto; }

/* ---------- IFrame-Modus ---------- */

body.iframe { min-height: 0; }
body.iframe .kh-header, body.iframe .kh-footer { display: none; }

html.in-iframe body { min-height: 0; }

/* Honeypot-Felder (Spamschutz) – für Menschen unsichtbar */
.hp-field { position: absolute !important; left: -10000px; width: 1px; height: 1px; overflow: hidden; }