/* Wählbare Themen. Das Standard-Thema «Klar» steht in app.css; hier stehen nur die Abweichungen.
   Jedes Thema hängt an <html data-theme="…">. Das Blau bleibt überall die tragende Farbe. */

/* ============================================================================================
   VERLAG – wie ein gut gesetztes Buch
   ============================================================================================ */

html[data-theme="verlag"] {
    --bg: #fbf8f2;
    --bg-tint: #f2ecdf;
    --surface: #fffdf8;
    --line: #e2d9c8;
    --muted: #645f55;
    --blue-soft: #e6ebf0;
    --radius: 6px;
    --radius-small: 4px;
    --shadow: 0 1px 0 rgba(13, 27, 42, .04), 0 14px 30px -18px rgba(13, 27, 42, .3);
    --header-bg: rgba(251, 248, 242, .93);
    --font-head: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
}
html[data-theme="verlag"] h1, html[data-theme="verlag"] h2 { font-weight: 600; letter-spacing: -.012em; }
html[data-theme="verlag"] h1 { line-height: 1.1; }
html[data-theme="verlag"] .brand { font-family: var(--font-head); font-size: 1.3rem; font-weight: 600; letter-spacing: 0; }
html[data-theme="verlag"] .site-header { border-bottom: 1px solid var(--line); box-shadow: 0 3px 0 -2px var(--line); }
html[data-theme="verlag"] .nav a,
html[data-theme="verlag"] .konto-bar nav a { border-radius: 3px; }
html[data-theme="verlag"] .nav a[aria-current] { background: none; color: var(--blue); box-shadow: inset 0 -2px 0 var(--accent-strong); border-radius: 0; }
html[data-theme="verlag"] .btn { border-radius: 4px; padding: 13px 22px; letter-spacing: .01em; }
html[data-theme="verlag"] .btn--big { padding: 16px 28px; }
html[data-theme="verlag"] .chip,
html[data-theme="verlag"] .tag,
html[data-theme="verlag"] .qty input,
html[data-theme="verlag"] .cart-line__qty input,
html[data-theme="verlag"] .check-chip,
html[data-theme="verlag"] .check-type,
html[data-theme="verlag"] .check-tag,
html[data-theme="verlag"] .cart-link { border-radius: 4px; }
html[data-theme="verlag"] .eyebrow { letter-spacing: .16em; font-size: .74rem; }
html[data-theme="verlag"] .hero { background: var(--blue); border-bottom: 5px solid var(--accent); }
html[data-theme="verlag"] .hero h1 { font-weight: 500; }
html[data-theme="verlag"] .lead { font-family: var(--font-head); font-size: clamp(1.15rem, 1.7vw, 1.35rem); line-height: 1.5; }
html[data-theme="verlag"] .hero__portrait img,
html[data-theme="verlag"] .split__image,
html[data-theme="verlag"] .figure img,
html[data-theme="verlag"] .offer,
html[data-theme="verlag"] .product__cover,
html[data-theme="verlag"] .check-card,
html[data-theme="verlag"] .check-cta,
html[data-theme="verlag"] .check-scale__btn { border-radius: 6px; }
html[data-theme="verlag"] .section__head { padding-bottom: 14px; border-bottom: 1px solid var(--line); }
html[data-theme="verlag"] .section__head h2 { position: relative; }
html[data-theme="verlag"] .section__head h2::after { content: ""; position: absolute; left: 0; bottom: -16px; width: 56px; height: 3px; background: var(--accent-strong); }
html[data-theme="verlag"] .module__no,
html[data-theme="verlag"] .course-module__no { border-radius: 3px; font-family: var(--font-head); }
html[data-theme="verlag"] .module__no { background: none; border: 1.5px solid var(--blue); color: var(--blue); }
html[data-theme="verlag"] .entry h2, html[data-theme="verlag"] .entry h3,
html[data-theme="verlag"] .quote blockquote,
html[data-theme="verlag"] .check-question { font-family: var(--font-head); }
html[data-theme="verlag"] .quote blockquote { font-size: 1.15rem; font-style: italic; }
html[data-theme="verlag"] .product-card h3 { font-family: var(--font-head); font-size: 1.12rem; font-weight: 600; }
html[data-theme="verlag"] .price { font-family: var(--font-head); }
html[data-theme="verlag"] .site-footer { background: var(--blue); color: #fff; border-top: 5px solid var(--accent); margin-top: 0; }
html[data-theme="verlag"] .site-footer .brand,
html[data-theme="verlag"] .site-footer .muted { color: #fff; }
html[data-theme="verlag"] .site-footer .muted { opacity: .7; }
html[data-theme="verlag"] .site-footer__nav a { color: rgba(255, 255, 255, .78); }
html[data-theme="verlag"] .site-footer__nav a:hover { color: #fff; }
html[data-theme="verlag"] .konto-bar { border-bottom: 3px solid var(--blue); }
html[data-theme="verlag"] .course__main h1 { font-weight: 600; }

/* ============================================================================================
   MARKANT – laut, kantig, viel Blau
   ============================================================================================ */

html[data-theme="markant"] {
    --bg-tint: #eaf0f6;
    --blue-soft: #dbe6f0;
    --line: #c6d3df;
    --muted: #4c5d70;
    --radius: 0px;
    --radius-small: 0px;
    --shadow: 8px 8px 0 rgba(0, 48, 87, .14);
    --header-bg: var(--blue);
}
html[data-theme="markant"] h1, html[data-theme="markant"] h2 { font-weight: 800; letter-spacing: -.035em; }
html[data-theme="markant"] h1 { font-size: clamp(2.2rem, 5.4vw, 4rem); line-height: 1.02; }
html[data-theme="markant"] h3 { font-weight: 700; }
html[data-theme="markant"] .site-header { border-bottom: 4px solid var(--accent); backdrop-filter: none; }
html[data-theme="markant"] .site-header .brand { color: #fff; font-weight: 800; text-transform: uppercase; letter-spacing: .04em; font-size: 1.05rem; }
html[data-theme="markant"] .nav a { color: #fff; border-radius: 0; font-weight: 600; }
html[data-theme="markant"] .nav a:hover { background: rgba(255, 255, 255, .12); }
html[data-theme="markant"] .nav a[aria-current] { background: var(--accent); color: var(--accent-ink); }
html[data-theme="markant"] .site-header .link-quiet { color: rgba(255, 255, 255, .85); }
html[data-theme="markant"] .cart-link { border-radius: 0; background: rgba(255, 255, 255, .14); color: #fff; }
html[data-theme="markant"] .btn { border-radius: 0; text-transform: uppercase; letter-spacing: .07em; font-size: .84rem; font-weight: 700; padding: 15px 26px; }
html[data-theme="markant"] .btn--big { padding: 18px 32px; font-size: .92rem; }
html[data-theme="markant"] .btn--primary { box-shadow: 5px 5px 0 var(--accent); }
html[data-theme="markant"] .btn--accent { box-shadow: 5px 5px 0 rgba(0, 0, 0, .28); }
html[data-theme="markant"] .section .btn--accent, html[data-theme="markant"] .konto .btn--accent { box-shadow: 5px 5px 0 var(--blue); }
html[data-theme="markant"] .btn--ghost { border: 2px solid var(--blue); color: var(--blue); }
html[data-theme="markant"] .btn:hover { transform: translate(-2px, -2px); }
html[data-theme="markant"] .chip,
html[data-theme="markant"] .tag,
html[data-theme="markant"] .qty input,
html[data-theme="markant"] .cart-line__qty input,
html[data-theme="markant"] .konto-bar nav a,
html[data-theme="markant"] .check-chip,
html[data-theme="markant"] .check-type,
html[data-theme="markant"] .check-tag,
html[data-theme="markant"] .check-dot,
html[data-theme="markant"] .check-icon,
html[data-theme="markant"] .module__no,
html[data-theme="markant"] .course-module__no,
html[data-theme="markant"] .progress, html[data-theme="markant"] .progress__bar,
html[data-theme="markant"] .check-progress, html[data-theme="markant"] .check-progress div,
html[data-theme="markant"] .check-bar__track, html[data-theme="markant"] .check-bar__fill,
html[data-theme="markant"] .check-scale__btn,
html[data-theme="markant"] .check-card,
html[data-theme="markant"] .check-cta,
html[data-theme="markant"] .offer,
html[data-theme="markant"] .product__cover,
html[data-theme="markant"] .split__image,
html[data-theme="markant"] .figure img,
html[data-theme="markant"] .hero__portrait img,
html[data-theme="markant"] .course-card img, html[data-theme="markant"] .course-card__blank { border-radius: 0; }
html[data-theme="markant"] .tag { background: var(--blue); color: #fff; text-transform: uppercase; letter-spacing: .05em; font-size: .68rem; }
html[data-theme="markant"] .chip { border: 2px solid var(--blue); font-weight: 600; }
html[data-theme="markant"] .hero { background: linear-gradient(112deg, var(--blue) 0 63%, var(--blue-deep) 63% 100%); }
html[data-theme="markant"] .eyebrow { display: inline-block; padding: 5px 12px; background: var(--accent); color: var(--accent-ink); letter-spacing: .1em; }
html[data-theme="markant"] .eyebrow--dark { background: var(--blue); color: #fff; }
html[data-theme="markant"] .hero__portrait img { filter: none; box-shadow: 14px 14px 0 var(--accent); }
html[data-theme="markant"] .split__image { box-shadow: 14px 14px 0 var(--blue); }
html[data-theme="markant"] .section__head h2 { padding-left: 18px; border-left: 8px solid var(--accent); }
html[data-theme="markant"] .entry,
html[data-theme="markant"] .module,
html[data-theme="markant"] .check-area,
html[data-theme="markant"] .check-problems li,
html[data-theme="markant"] .check-box,
html[data-theme="markant"] .konto-card,
html[data-theme="markant"] .course-card,
html[data-theme="markant"] .materials,
html[data-theme="markant"] .konto-list { border: 2px solid var(--blue); }
html[data-theme="markant"] .entry:hover { border-color: var(--blue); }
html[data-theme="markant"] .product-card__cover { border: 2px solid var(--blue); }
html[data-theme="markant"] .product-card:hover .product-card__cover { border-color: var(--blue); box-shadow: var(--shadow); }
html[data-theme="markant"] .module__no { background: var(--blue); color: #fff; }
html[data-theme="markant"] .summary { border-top: 6px solid var(--blue); }
html[data-theme="markant"] .price { font-weight: 800; }
html[data-theme="markant"] .check-question { font-weight: 800; letter-spacing: -.02em; }
html[data-theme="markant"] .site-footer { background: var(--blue-deep); color: #fff; border-top: 4px solid var(--accent); margin-top: 0; }
html[data-theme="markant"] .site-footer .brand,
html[data-theme="markant"] .site-footer .muted { color: #fff; }
html[data-theme="markant"] .site-footer .muted { opacity: .7; }
html[data-theme="markant"] .site-footer__nav a { color: rgba(255, 255, 255, .78); text-transform: uppercase; letter-spacing: .05em; font-size: .8rem; font-weight: 600; }
html[data-theme="markant"] .site-footer__nav a:hover { color: var(--accent); }
html[data-theme="markant"] .konto-bar { background: var(--blue); border-bottom: 4px solid var(--accent); }
html[data-theme="markant"] .konto-bar .brand { color: #fff; }
html[data-theme="markant"] .konto-bar nav a { color: rgba(255, 255, 255, .8); }
html[data-theme="markant"] .konto-bar nav a[aria-current] { background: var(--accent); color: var(--accent-ink); }
html[data-theme="markant"] .konto-bar .link-quiet { color: rgba(255, 255, 255, .85); }

/* ============================================================================================
   BÜHNE – dunkel wie ein Saal vor dem Auftritt
   ============================================================================================ */

html[data-theme="buehne"] {
    color-scheme: dark;
    --blue: #0b4a80;
    --blue-deep: #002a4d;
    --blue-soft: rgba(255, 255, 255, .09);
    --bg: #00182d;
    --bg-tint: #002140;
    --surface: #062a4a;
    --field: #ffffff;
    --ink: #eef3f8;
    --muted: #a3b5c8;
    --line: rgba(255, 255, 255, .15);
    --link: #9fd0fb;
    --radius: 14px;
    --shadow: 0 1px 0 rgba(255, 255, 255, .05) inset, 0 18px 40px -18px rgba(0, 0, 0, .7);
    --header-bg: rgba(0, 24, 45, .86);
}
html[data-theme="buehne"] body { background: var(--bg); }
html[data-theme="buehne"] .brand { color: #fff; }
html[data-theme="buehne"] .nav a:hover { background: rgba(255, 255, 255, .08); }
html[data-theme="buehne"] .nav a[aria-current] { background: rgba(250, 189, 107, .16); color: var(--accent); }
html[data-theme="buehne"] .cart-link { color: var(--accent); }
/* Der Scheinwerfer: Knöpfe in der Kontrastfarbe. */
html[data-theme="buehne"] .btn--primary { background: var(--accent); color: var(--accent-ink); }
html[data-theme="buehne"] .btn--primary:hover { background: var(--accent-strong); }
html[data-theme="buehne"] .btn--ghost { background: transparent; border-color: rgba(255, 255, 255, .3); color: var(--ink); }
html[data-theme="buehne"] .btn--ghost:hover { background: rgba(255, 255, 255, .08); }
html[data-theme="buehne"] .hero {
    background:
        radial-gradient(780px 460px at 82% -8%, rgba(250, 189, 107, .34), transparent 62%),
        radial-gradient(600px 400px at 8% 110%, rgba(11, 74, 128, .8), transparent 60%),
        #001226;
    border-bottom: 1px solid var(--line);
}
html[data-theme="buehne"] .section--tint { border-block: 1px solid rgba(255, 255, 255, .06); }
html[data-theme="buehne"] .entry:hover { border-color: var(--accent); }
html[data-theme="buehne"] .entry--strong { background: linear-gradient(160deg, #0b4a80, #073761); border-color: transparent; }
html[data-theme="buehne"] .chip { color: var(--ink); }
html[data-theme="buehne"] .chip[aria-current] { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
html[data-theme="buehne"] .chip:hover, html[data-theme="buehne"] .format:hover, html[data-theme="buehne"] .course-card:hover { border-color: var(--accent); }
html[data-theme="buehne"] .tag { background: rgba(159, 208, 251, .14); }
/* Buchtitel haben einen weissen Hintergrund: Sie stehen auf hellen Karten wie im Lichtkegel. */
html[data-theme="buehne"] .product-card__cover,
html[data-theme="buehne"] .product__cover { border-color: transparent; box-shadow: 0 20px 44px -22px rgba(0, 0, 0, .9); }
html[data-theme="buehne"] .product-card:hover .product-card__cover { border-color: var(--accent); }
html[data-theme="buehne"] .cart-line__cover { background: #fff; border-radius: 6px; padding: 4px; }
html[data-theme="buehne"] input:not([type=checkbox]):not([type=radio]):not([type=file]),
html[data-theme="buehne"] select,
html[data-theme="buehne"] textarea { background: var(--field); color: #0d1b2a; border-color: transparent; }
html[data-theme="buehne"] .signup, html[data-theme="buehne"] .signup.contact { border: 1px solid var(--line); }
html[data-theme="buehne"] .slots label:has(input:checked), html[data-theme="buehne"] .checkout .slots label:has(input:checked) { border-color: var(--accent); }
html[data-theme="buehne"] .course-module[open] .course-module__no,
html[data-theme="buehne"] .module__no { background: var(--accent); color: var(--accent-ink); }
html[data-theme="buehne"] .check { border-color: rgba(255, 255, 255, .4); }
html[data-theme="buehne"] .check--done { background-color: var(--blue); border-color: var(--link); }
html[data-theme="buehne"] .course-module li a[aria-current], html[data-theme="buehne"] .konto-bar nav a[aria-current] { color: #fff; }
html[data-theme="buehne"] .konto-flash, html[data-theme="buehne"] .konto-note { background: rgba(88, 196, 122, .16); color: #b9efc8; }
html[data-theme="buehne"] .form-error { background: rgba(255, 99, 99, .16); color: #ffc9c9; }
html[data-theme="buehne"] .form-error.is-ok { background: rgba(88, 196, 122, .16); color: #b9efc8; }
/* Helle Hinweisflächen behalten dunkle Schrift. */
html[data-theme="buehne"] .check-teaser,
html[data-theme="buehne"] .check-box--accent,
html[data-theme="buehne"] .video-upload__confirm { background: rgba(250, 189, 107, .13); border-color: rgba(250, 189, 107, .55); color: var(--ink); }
html[data-theme="buehne"] .check-scale__btn.is-picked { background: var(--accent); border-color: var(--accent); }
html[data-theme="buehne"] .check-scale__btn.is-picked .check-scale__no, html[data-theme="buehne"] .check-scale__btn.is-picked .check-scale__label { color: var(--accent-ink); }
html[data-theme="buehne"] .check-scale__btn:hover { border-color: var(--accent); }
html[data-theme="buehne"] .check-dot .check-png, html[data-theme="buehne"] .check-chip .check-png { filter: brightness(0) invert(1); }
html[data-theme="buehne"] .check-dot.is-now .check-png { filter: none; }
html[data-theme="buehne"] .check-result-hero { background: linear-gradient(180deg, #002140, var(--bg)); }
html[data-theme="buehne"] .check-tag--high { background: rgba(88, 196, 122, .18); color: #b9efc8; }
html[data-theme="buehne"] .check-tag--mid { background: rgba(159, 208, 251, .16); color: var(--link); }
html[data-theme="buehne"] .check-tag--low { background: rgba(250, 189, 107, .18); color: var(--accent); }
html[data-theme="buehne"] .check-close, html[data-theme="buehne"] .check-total { color: var(--accent); }
html[data-theme="buehne"] .feedback { background: rgba(159, 208, 251, .1); }
html[data-theme="buehne"] .site-footer { background: #001226; }
html[data-theme="buehne"] .admin-hint { color: var(--ink); }

/* Leiste der Themen-Vorschau (nur für die angemeldete Verwaltung) */
.theme-bar { position: sticky; bottom: 0; z-index: 30; display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 8px 18px; padding: 10px 16px; background: #fabd6b; color: #2b1a00; font: 500 .9rem/1.4 system-ui, sans-serif; }
.theme-bar form { display: inline; }
.theme-bar button, .theme-bar a { padding: 6px 14px; border: 0; border-radius: 999px; background: #003057; color: #fff; font: inherit; font-weight: 600; text-decoration: none; cursor: pointer; }
.theme-bar a { background: transparent; color: inherit; text-decoration: underline; padding: 6px 4px; }