:root {
    --color-primary: #f5c400;
    --color-primary-dark: #cfa600;
    --color-dark: #1f2426;
    --color-dark-2: #2c3236;
    --color-text: #2b303b;
    --color-muted: #5b6472;
    --color-bg: #f7f8fa;
    --color-card: #ffffff;
    --color-border: #e5e7eb;
    --color-success: #1a7f37;
    --color-pending: #cfa600;
    --color-danger: #c0392b;
    --radius: 8px;
    --radius-lg: 14px;
    --shadow: 0 10px 30px rgba(21, 26, 35, 0.08);
    --max-width: 1100px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.5;
}

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

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.25rem;
}

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(247, 248, 250, 0.92);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    color: var(--color-text);
    border-bottom: 1px solid rgba(21, 26, 35, 0.06);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}
.logo {
    display: flex;
    align-items: center;
    gap: .6rem;
    color: var(--color-text);
}
.logo:hover { text-decoration: none; opacity: .85; }
.logo-badge { display: inline-flex; align-items: center; }
.logo-badge img { height: 38px; width: auto; display: block; }
.logo-text { font-weight: 700; font-size: 1.15rem; letter-spacing: .02em; }
.logo-accent { color: var(--color-primary-dark); }
.main-nav {
    display: flex;
    align-items: center;
    gap: 1.75rem;
}
.main-nav a {
    color: var(--color-muted);
    font-weight: 500;
    font-size: .95rem;
    transition: color .2s ease;
}
.main-nav a:hover { color: var(--color-primary-dark); text-decoration: none; }
.nav-social {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    color: var(--color-muted);
    border: 1px solid rgba(21, 26, 35, 0.15);
    transition: background .2s ease, color .2s ease, border-color .2s ease;
}
.nav-social:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-dark);
    text-decoration: none;
}
.nav-cta {
    background: var(--color-primary);
    color: var(--color-dark) !important;
    padding: .55rem 1.1rem;
    border-radius: 999px;
    font-weight: 700;
}
.nav-cta:hover { background: var(--color-primary-dark); text-decoration: none; color: #fff !important; }
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    background: transparent;
    border: none;
    cursor: pointer;
}
.nav-toggle span { display: block; height: 2px; width: 100%; background: var(--color-text); border-radius: 2px; }

@media (max-width: 760px) {
    .main-nav {
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--color-bg);
        flex-direction: column;
        align-items: flex-start;
        padding: 1.25rem 1.25rem 1.5rem;
        gap: 1.1rem;
        display: none;
        border-top: 1px solid rgba(21, 26, 35, 0.08);
        box-shadow: var(--shadow);
    }
    .main-nav.open { display: flex; }
    .nav-toggle { display: flex; }
    .nav-cta { align-self: flex-start; }

    /* Zubehör-Zeilen: Preis-Badge darf umbrechen statt die Seite horizontal zu sprengen. */
    .accessory-option { flex-wrap: wrap; }
    .accessory-price { white-space: normal; margin-left: 0; }

    /* Größere Antipp-Fläche für Checkboxen/Radios im Buchungsformular (Zubehör, Kundentyp,
       Lieferung, Datenschutz-Bestätigung) — Standardgröße ist auf dem Smartphone zu klein. */
    .accessory-option input[type="checkbox"],
    .accessory-option input[type="radio"] {
        width: 1.5rem;
        height: 1.5rem;
    }
    .accessory-option { padding: .5rem 0; gap: .65rem; }
}

/* Hero */
.hero {
    background:
        linear-gradient(135deg, rgba(31, 36, 38, 0.88) 0%, rgba(44, 50, 54, 0.88) 100%),
        url('../img/hero-maschinen.webp') center 75% / cover no-repeat;
    color: #fff;
    padding: 3.5rem 0;
    text-align: center;
}
.hero h1 { font-size: 2.25rem; margin: 0 0 .75rem; }
.hero p { font-size: 1.125rem; color: #d1d5db; max-width: 640px; margin: 0 auto 1.5rem; }

.btn {
    display: inline-block;
    background: var(--color-primary);
    color: var(--color-dark);
    font-weight: 700;
    padding: .75rem 1.5rem;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    font-size: 1rem;
}
.btn:hover { background: var(--color-primary-dark); color: #fff; text-decoration: none; }
.btn-secondary {
    background: transparent;
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
}
.btn-secondary:hover { background: var(--color-primary); color: var(--color-dark); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-block { display: block; width: 100%; text-align: center; }

/* Sections */
section { padding: 3rem 0; }
.section { padding: 5.5rem 0; }
.section-alt { background: var(--color-card); }
h2 { font-size: 1.75rem; margin-top: 0; }

/* Machine cards */
.machine-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}
.machine-card {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}
.machine-card img { width: 100%; height: 180px; object-fit: cover; background: #e5e7eb; }
.machine-card-body { padding: 1.25rem; display: flex; flex-direction: column; gap: .5rem; flex: 1; }
.machine-card-body > * { margin: 0; }
.machine-card-body h3 { font-size: 1.2rem; font-weight: 700; line-height: 1.3; }
.machine-card-body .machine-desc { color: var(--color-muted); flex: 1; }
.machine-price { font-weight: 700; color: var(--color-primary-dark); font-size: 1.1rem; }
.preis-hinweis { font-weight: 400; color: var(--color-muted); font-size: .8rem; }
.machine-type {
    text-transform: uppercase;
    letter-spacing: .08em;
    font-size: .75rem;
    font-weight: 700;
    color: var(--color-primary-dark);
}

/* Machine detail */
.machine-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: start;
}
/* Grid-Kinder schrumpfen sonst nicht unter die Bild-Originalgröße (min-width:auto ist
   der Grid-Default) — das sprengt auf schmalen Bildschirmen die Spaltenbreite. */
.machine-detail > div { min-width: 0; }
.machine-detail img { width: 100%; aspect-ratio: 3 / 4; object-fit: cover; border-radius: var(--radius); background: #e5e7eb; }
.machine-intro { display: flex; flex-direction: column; gap: .5rem; margin-bottom: 1.5rem; }
.machine-intro > * { margin: 0; }
.machine-desc { color: var(--color-muted); }
.price-tiers {
    list-style: none;
    margin: -.25rem 0 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: .15rem;
    font-size: .85rem;
    color: var(--color-muted);
}
.price-tiers strong { color: var(--color-text); }
@media (max-width: 800px) {
    .machine-detail { grid-template-columns: 1fr; }
}

/* Calendar */
.calendar {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1rem;
    margin: 1.5rem 0;
}
.calendar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: .75rem;
}
.calendar-header button {
    background: none;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: .25rem .75rem;
    cursor: pointer;
}
.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
    text-align: center;
}
.calendar-grid .day-label { font-size: .75rem; color: var(--color-muted); padding: .25rem 0; }
.calendar-day {
    padding: .5rem 0;
    border-radius: 4px;
    font-size: .875rem;
    cursor: pointer;
    background: #f3f4f6;
}
.calendar-day.empty { background: transparent; cursor: default; }
.calendar-day.past { color: #c7cbd1; cursor: not-allowed; }
.calendar-day.belegt { background: var(--color-danger); color: #fff; cursor: not-allowed; }
.calendar-day.selected { background: var(--color-primary); color: var(--color-dark); font-weight: 700; }
.calendar-day.free:hover { background: #fde8c4; }
.calendar-legend { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: .75rem; font-size: .8rem; color: var(--color-muted); }
.calendar-legend span { display: inline-flex; align-items: center; gap: .35rem; }
.legend-swatch { width: 12px; height: 12px; border-radius: 3px; display: inline-block; }

/* Zubehör-Auswahl */
.accessory-list {
    display: flex;
    flex-direction: column;
    gap: .4rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: .75rem 1rem;
}
.accessory-option {
    display: flex;
    align-items: center;
    gap: .5rem;
    font-weight: 400;
    cursor: pointer;
    padding: .3rem 0;
}
.accessory-option input { width: auto; }
.accessory-option input[type="checkbox"],
.accessory-option input[type="radio"] {
    width: 1.25rem;
    height: 1.25rem;
    flex-shrink: 0;
    cursor: pointer;
}
.accessory-price {
    margin-left: auto;
    color: var(--color-muted);
    font-size: .85rem;
    white-space: nowrap;
}

/* Preis-Zusammenfassung im Buchungsformular */
.price-summary {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1rem;
    margin-bottom: 1rem;
}
.price-summary-row {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    font-size: .9rem;
    color: var(--color-muted);
    padding: .2rem 0;
}
.price-summary-total {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 1rem;
    margin-top: .5rem;
    padding-top: .5rem;
    border-top: 1px solid var(--color-border);
    font-weight: 700;
    color: var(--color-text);
}
.price-summary-total strong {
    color: var(--color-primary-dark);
    font-size: 1.15rem;
}
.price-summary .form-hint { margin-top: .5rem; }

/* Forms */
.form-group { margin-bottom: 1rem; }
label { display: block; font-weight: 600; margin-bottom: .35rem; }
input[type=text], input[type=email], input[type=tel], input[type=date], input[type=password], textarea, select {
    width: 100%;
    padding: .6rem .75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 1rem;
    font-family: inherit;
}
textarea { resize: vertical; min-height: 100px; }
.form-hint { font-size: .8rem; color: var(--color-muted); margin-top: .25rem; }
.alert { padding: 1rem 1.25rem; border-radius: var(--radius); margin-bottom: 1.5rem; }
.alert-success { background: #ecfdf3; color: var(--color-success); border: 1px solid #a6e9c2; }
.alert-error { background: #fef2f2; color: var(--color-danger); border: 1px solid #f5b5ab; }

/* Tables (Admin) */
table { width: 100%; border-collapse: collapse; background: var(--color-card); }
th, td { padding: .6rem .75rem; border-bottom: 1px solid var(--color-border); text-align: left; font-size: .9rem; }
th { background: #f3f4f6; }
.badge { padding: .2rem .6rem; border-radius: 999px; font-size: .75rem; font-weight: 700; color: #fff; }
.badge-pending { background: var(--color-pending); }
.badge-confirmed { background: var(--color-success); }
.badge-rejected { background: var(--color-danger); }

/* Footer */
.site-footer {
    background: var(--color-bg);
    color: var(--color-muted);
    margin-top: 3rem;
    padding: 3.5rem 0 1.5rem;
    border-top: 1px solid rgba(21, 26, 35, 0.08);
}
.footer-inner {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(21, 26, 35, 0.08);
}
.footer-brand { display: flex; align-items: center; gap: .6rem; }
.footer-brand .logo-badge img { height: 52px; }
.footer-brand .logo-text { color: var(--color-text); font-size: 1.1rem; }
.footer-inner p { font-size: .88rem; margin: .6rem 0 0; }
.footer-social { display: flex; gap: .6rem; margin-top: 1rem; }
.social-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 1px solid rgba(21, 26, 35, 0.15);
    color: var(--color-muted);
    transition: background .2s ease, color .2s ease, border-color .2s ease;
}
.social-icon:hover { background: var(--color-primary); border-color: var(--color-primary); color: var(--color-dark); text-decoration: none; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 1.25rem; align-self: center; }
.footer-nav a { color: var(--color-muted); }
.footer-nav a:hover { color: var(--color-primary-dark); }
.footer-bottom { padding-top: 1.25rem; font-size: .82rem; text-align: center; }

/* Admin */
.admin-shell { display: flex; min-height: calc(100vh - 4px); }
.admin-sidebar {
    width: 220px;
    background: var(--color-dark);
    color: #fff;
    padding: 1.5rem 1rem;
}
.admin-sidebar a { display: block; color: #d1d5db; padding: .5rem .5rem; border-radius: 4px; }
.admin-sidebar a:hover, .admin-sidebar a.active { background: var(--color-dark-2); color: #fff; text-decoration: none; }
.admin-content { flex: 1; padding: 2rem; }
.login-shell { max-width: 380px; margin: 4rem auto; }
.card { background: var(--color-card); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 1.5rem; }

/* Tablet-Optimierung Admin-Bereich: Sidebar wird zur kompakten Kopfleiste, Touch-Ziele
   (Buttons, Inputs) werden größer, damit man sie mit dem Finger gut treffen kann. */
@media (max-width: 900px) {
    .admin-shell { flex-direction: column; min-height: 0; }
    .admin-sidebar { width: 100%; padding: 1rem 1.25rem; }
    .admin-sidebar > div:first-child { margin-bottom: .75rem !important; }
    .admin-sidebar nav { display: flex; flex-wrap: wrap; gap: .4rem; }
    .admin-sidebar nav a { padding: .55rem .9rem; }
    .admin-content { padding: 1.25rem; }

    .admin-content .btn,
    .admin-content .btn-secondary,
    .admin-content button {
        padding: .6rem 1rem !important;
        font-size: .95rem !important;
        min-height: 44px;
    }
    .admin-content table .btn,
    .admin-content table .btn-secondary,
    .admin-content table button {
        min-height: 38px;
    }
    .admin-content input[type="text"],
    .admin-content input[type="email"],
    .admin-content input[type="tel"],
    .admin-content input[type="date"],
    .admin-content select,
    .admin-content textarea {
        font-size: 1rem;
        padding: .65rem .8rem;
    }
}

/* Unterschriften-Canvas (admin/protokoll.php) */
.signature-pad {
    display: block;
    width: 100%;
    max-width: 600px;
    height: 220px;
    background: #fff;
    border: 1px dashed var(--color-border);
    border-radius: var(--radius);
    cursor: crosshair;
    touch-action: none;
}

/* Foto-Galerie im Protokoll — bewusst groß, damit Schäden auf den Fotos erkennbar sind */
.foto-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1rem;
    margin-top: .5rem;
}
.foto-thumb {
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: .4rem;
    text-align: center;
    background: var(--color-bg);
}
.foto-thumb img { width: 100%; height: 260px; object-fit: cover; border-radius: 4px; display: block; margin-bottom: .35rem; }

/* Mietvertrag (admin/vertrag.php, eingebettet in admin/protokoll.php) */
.vertrag-page { max-width: 800px; margin: 2rem auto; padding: 0 1.25rem; }
.vertrag-inhalt {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: 2.5rem 2.75rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, .05);
}
.vertrag-inhalt h2 { display: none; } /* Titel steht bereits im Briefkopf */
.vertrag-inhalt h3 {
    font-size: 1.02rem;
    margin-top: 2rem;
    margin-bottom: .5rem;
    padding-left: .65rem;
    border-left: 3px solid var(--color-primary);
    color: var(--color-dark);
}
.vertrag-inhalt p, .vertrag-inhalt ul { margin: .3rem 0; color: var(--color-text); line-height: 1.55; }
.vertrag-inhalt ul { padding-left: 1.3rem; }

.vertrag-briefkopf {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1.5rem;
    padding-bottom: 1.25rem;
    margin-bottom: 1.5rem;
    border-bottom: 2px solid var(--color-primary);
}
.vertrag-logo { height: 56px; width: auto; }
.vertrag-briefkopf-titel { text-align: right; }
.vertrag-briefkopf-titel h1 { font-size: 1.6rem; margin: 0 0 .3rem; color: var(--color-dark); }
.vertrag-briefkopf-titel p { margin: 0; color: var(--color-muted); font-size: .9rem; line-height: 1.4; }

.vertrag-parteien {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
    margin: .5rem 0 1rem;
}
.partei-box {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 1rem 1.1rem;
}
.partei-label {
    display: block;
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .06em;
    text-transform: uppercase;
    color: var(--color-primary-dark);
    margin-bottom: .35rem;
}
.partei-box p { margin: 0; }

.vertrag-unterschriften {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 3rem;
}
.unterschrift-linie { border-top: 1px solid var(--color-text); margin-top: 3rem; padding-top: .35rem; }
.unterschrift-bild { max-width: 100%; max-height: 100px; border-bottom: 1px solid var(--color-text); }
.vertrag-fotos-anhang { margin-top: 2.5rem; page-break-before: auto; }
.vertrag-fotos-anhang h3 { break-after: avoid; }
.vertrag-fotos-anhang .foto-grid { break-inside: avoid-page; }

.galerie-carousel {
    position: relative;
    display: flex;
    align-items: center;
    gap: 12px;
}
.galerie-grid {
    display: flex;
    gap: 20px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding: 4px calc((100% - min(70vw, 420px)) / 2) 12px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
}
.galerie-grid::-webkit-scrollbar { height: 6px; }
.galerie-grid::-webkit-scrollbar-thumb { background: rgba(21, 26, 35, 0.2); border-radius: 999px; }
.galerie-bild {
    position: relative;
    flex: 0 0 auto;
    width: min(70vw, 420px);
    aspect-ratio: 3 / 4;
    scroll-snap-align: center;
    overflow: hidden;
    border-radius: var(--radius);
    background: var(--color-border);
    box-shadow: var(--shadow);
}
.galerie-bild img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.galerie-pfeil {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid var(--color-border);
    background: var(--color-card);
    color: var(--color-text);
    box-shadow: var(--shadow);
    cursor: pointer;
    transition: background .2s ease, color .2s ease;
}
.galerie-pfeil:hover { background: var(--color-primary); color: #fff; }
.galerie-hinweis {
    text-align: center;
    font-size: .85rem;
    color: var(--color-muted);
    margin: 8px 0 0;
}
@media (max-width: 640px) {
    .galerie-pfeil { display: none; }
}

.faq-liste { display: flex; flex-direction: column; gap: .75rem; max-width: 760px; }
.faq-item {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: .9rem 1.1rem;
}
.faq-item summary {
    cursor: pointer;
    font-weight: 600;
    list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::before { content: "+ "; color: var(--color-primary-dark); font-weight: 700; }
.faq-item[open] summary::before { content: "\2212 "; }
.faq-item p { margin: .6rem 0 0; color: var(--color-muted); }

@media print {
    .no-print { display: none !important; }
    .admin-sidebar, .site-header, .site-footer { display: none !important; }
    body { background: #fff; }
    .vertrag-page { margin: 0; max-width: none; padding: 0; }
    .vertrag-inhalt { border: none; border-radius: 0; box-shadow: none; padding: 0; }
    .vertrag-parteien { break-inside: avoid; }
    .partei-box { background: #fff; border: 1px solid #ccc; }
    .foto-grid { grid-template-columns: repeat(2, 1fr); }
    .foto-thumb { break-inside: avoid; background: #fff; border: 1px solid #ccc; }
    .foto-thumb img { height: 280px; }
}