:root {
    --color-bg: #f5f6f8;
    --color-surface: #ffffff;
    --color-border: #d7dbe0;
    --color-text: #1f2430;
    --color-muted: #5b6472;
    --color-primary: #145c9e;
    --color-primary-dark: #0e4676;
    --color-error: #b3261e;
    --color-error-bg: #fdecea;
    --color-success-bg: #e7f5ec;
    --color-success-text: #1e5b34;
    --radius: 6px;
}

* {
    box-sizing: border-box;
}

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

.page {
    max-width: 760px;
    margin: 0 auto;
    padding: 2rem 1.25rem 4rem;
}

.page-header h1 {
    font-size: 1.5rem;
    margin-bottom: 0.25rem;
}

.page-subtitle {
    color: var(--color-muted);
    margin-top: 0;
}

.wizard-progress ol {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding: 0;
    margin: 1.5rem 0;
}

.wizard-progress li {
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    color: var(--color-muted);
    font-size: 0.85rem;
}

.wizard-progress li.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
    font-weight: 600;
}

.step {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.step h2 {
    margin-top: 0;
}

.field-group {
    margin-bottom: 1.25rem;
}

.field-group > label,
.field-group > legend {
    display: block;
    font-weight: 600;
    margin-bottom: 0.35rem;
}

fieldset.field-group {
    border: none;
    padding: 0;
    margin: 0 0 1.25rem;
}

input[type="text"],
input[type="tel"],
input[type="email"],
input[type="date"],
select {
    width: 100%;
    padding: 0.55rem 0.65rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 1rem;
    background: #fff;
    color: var(--color-text);
}

.radio-row {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.radio-option,
.checkbox-option {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    font-weight: normal;
    cursor: pointer;
}

.checkbox-option input {
    margin-top: 0.2rem;
}

.field-hint {
    font-size: 0.85rem;
    color: var(--color-muted);
    margin: 0.35rem 0 0;
}

.field-info {
    font-size: 0.9rem;
    margin: 0.5rem 0 0;
    color: var(--color-text);
}

.field-info-box {
    background: #eef4fa;
    border: 1px solid #cfe0ef;
    border-radius: var(--radius);
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
    margin-bottom: 1.25rem;
}

.field-error {
    color: var(--color-error);
    font-size: 0.85rem;
    margin: 0.35rem 0 0;
    min-height: 1em;
}

.field-error:empty {
    display: none;
}

.month-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    gap: 0.5rem;
    margin: 0.5rem 0;
}

.month-grid label {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 0.4rem 0.6rem;
    font-size: 0.85rem;
    cursor: pointer;
}

.month-grid label.selected {
    border-color: var(--color-primary);
    background: #eaf2fb;
}

.price-panel {
    background: #f0f7ff;
    border: 1px solid #cfe0ef;
    border-radius: var(--radius);
    padding: 1rem;
    margin-bottom: 1.25rem;
}

.price-panel h3 {
    margin-top: 0;
}

.price-line {
    display: flex;
    justify-content: space-between;
    padding: 0.15rem 0;
}

.price-line.total {
    font-weight: 700;
    font-size: 1.1rem;
    border-top: 1px solid #cfe0ef;
    margin-top: 0.35rem;
    padding-top: 0.5rem;
}

.mandate-text {
    background: #f7f7f7;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1rem;
    font-size: 0.85rem;
    max-height: 280px;
    overflow-y: auto;
    margin-bottom: 0.75rem;
}

.summary-box {
    background: #f7f8fa;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1rem;
    margin-bottom: 1.25rem;
}

.summary-box dl {
    display: grid;
    grid-template-columns: minmax(160px, 220px) 1fr;
    gap: 0.35rem 1rem;
    margin: 0;
}

.summary-box dt {
    color: var(--color-muted);
}

.summary-box dd {
    margin: 0;
}

.pdf-preview-placeholder {
    border: 2px dashed var(--color-border);
    border-radius: var(--radius);
    padding: 2rem 1rem;
    text-align: center;
    color: var(--color-muted);
    background: #fafafa;
}

.pdf-preview-frame {
    width: 100%;
    height: 70vh;
    min-height: 420px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: #fff;
}

.step-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.btn {
    border: none;
    border-radius: var(--radius);
    padding: 0.6rem 1.25rem;
    font-size: 1rem;
    cursor: pointer;
}

.btn-primary {
    background: var(--color-primary);
    color: #fff;
}

.btn-primary:hover {
    background: var(--color-primary-dark);
}

.btn-secondary {
    background: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

.alert {
    border-radius: var(--radius);
    padding: 1rem;
    margin-bottom: 1.25rem;
}

.alert-error {
    background: var(--color-error-bg);
    color: var(--color-error);
    border: 1px solid #f2c6c2;
}

.alert-success {
    background: var(--color-success-bg);
    color: var(--color-success-text);
    border: 1px solid #bfe3cc;
}

/* §9.3: Honeypot-Feld off-canvas positioniert (nicht display:none/visibility:hidden,
   damit einfache Bot-Skripte, die auf diese Eigenschaften prüfen, es trotzdem ausfüllen). */
.hp-field {
    position: absolute;
    left: -9999px;
    top: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

@media (prefers-color-scheme: dark) {
    :root {
        --color-bg: #14171c;
        --color-surface: #1c2028;
        --color-border: #333a45;
        --color-text: #e8eaee;
        --color-muted: #9aa3b0;
        --color-error-bg: #3a1f1f;
        --color-success-bg: #1c3324;
    }

    input[type="text"],
    input[type="tel"],
    input[type="email"],
    input[type="date"],
    select {
        background: #22262e;
        color: var(--color-text);
        border-color: var(--color-border);
    }

    .field-info-box,
    .price-panel {
        background: #1b2733;
        border-color: #2c3e50;
    }

    .mandate-text,
    .summary-box,
    .pdf-preview-placeholder {
        background: #20242c;
    }

    .month-grid label.selected {
        background: #1b2733;
    }
}