:root {
    --builder-bg: #f5f4f1;
    --builder-panel: #ffffff;
    --builder-text: #171717;
    --builder-muted: #77736d;
    --builder-line: #dedbd5;
}

* {
    box-sizing: border-box;
}

.builder {
    min-height: 100vh;
    background: var(--builder-bg);
    color: var(--builder-text);
    font-family: Arial, sans-serif;
}

.is-hidden {
    display: none !important;
}

.builder-shell {
    width: min(1180px, calc(100% - 40px));
    margin: 0 auto;
    padding: 80px 0;
}

.builder-intro {
    max-width: 680px;
    margin-bottom: 48px;
}

.builder-intro h1 {
    margin: 8px 0 12px;
    font-size: clamp(42px, 7vw, 76px);
    line-height: .95;
    letter-spacing: -.04em;
}

.builder-eyebrow {
    margin: 0;
    font-size: 12px;
    letter-spacing: .15em;
    text-transform: uppercase;
}

.template-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
}

.template-card {
    padding: 0;
    border: 0;
    background: none;
    text-align: left;
    cursor: pointer;
}

.template-card-preview {
    aspect-ratio: 3 / 4;
    display: grid;
    place-items: center;
    margin-bottom: 12px;
    background: #e9e5df;
    border: 1px solid var(--builder-line);
    overflow: hidden;
}

.builder-layout {
    display: grid;
    grid-template-columns: 360px minmax(0, 1fr);
    min-height: 100vh;
}

.builder-panel {
    padding: 32px;
    background: var(--builder-panel);
    border-right: 1px solid var(--builder-line);
}

.builder-panel h2 {
    margin: 24px 0 32px;
    font-size: 28px;
}

.builder-back {
    padding: 0;
    border: 0;
    background: none;
    cursor: pointer;
}

.builder-field {
    margin-bottom: 22px;
}

.builder-field label {
    display: block;
    margin-bottom: 8px;
    font-size: 13px;
    font-weight: 700;
}

.builder-field input,
.builder-field textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--builder-line);
    border-radius: 0;
    background: #fff;
    font: inherit;
}

.builder-field textarea {
    min-height: 110px;
    resize: vertical;
}

.builder-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 32px;
}

.builder-save {
    padding: 12px 18px;
    border: 0;
    background: #171717;
    color: #fff;
    cursor: pointer;
}

.builder-save-status {
    font-size: 12px;
    color: var(--builder-muted);
}

.builder-preview-column {
    padding: 32px;
    overflow: auto;
}

.builder-preview-frame {
    width: min(100%, 980px);
    min-height: 720px;
    margin: 0 auto;
    background: #fff;
    box-shadow: 0 20px 60px rgba(0,0,0,.08);
}

@media (max-width: 900px) {
    .template-grid {
        grid-template-columns: 1fr;
    }

    .builder-layout {
        grid-template-columns: 1fr;
    }

    .builder-panel {
        border-right: 0;
        border-bottom: 1px solid var(--builder-line);
    }
}

.builder-field-note {
    display: block;
    margin-top: 8px;
    font-size: 12px;
    line-height: 1.4;
    opacity: .65;
}

.builder-url-field {
    margin-bottom: 28px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--builder-line);
}
.builder-url-field > label { display:block; margin-bottom:8px; font-size:13px; font-weight:700; }
.builder-url-input { display:flex; align-items:center; border:1px solid var(--builder-line); background:#fff; overflow:hidden; }
.builder-url-input span { padding:12px 0 12px 12px; color:var(--builder-muted); font-size:12px; white-space:nowrap; }
.builder-url-input input { min-width:0; flex:1; border:0; padding:12px 12px 12px 2px; font:inherit; outline:none; }
.builder-slug-status { display:block; margin-top:7px; font-size:12px; color:var(--builder-muted); }
.builder-slug-status[data-state="available"] { color:#18753b; }
.builder-slug-status[data-state="unavailable"] { color:#b42318; }
.builder-honeypot { position:absolute !important; width:1px !important; height:1px !important; overflow:hidden !important; clip:rect(1px,1px,1px,1px) !important; white-space:nowrap !important; }
.builder-preview-column { position:relative; }
.builder-preview-notice { width:min(100%,980px); margin:0 auto 12px; display:flex; justify-content:space-between; gap:16px; padding:10px 14px; background:#171717; color:#fff; font-size:12px; }
.builder-preview-notice strong { text-transform:uppercase; letter-spacing:.12em; }
.builder-preview-frame { position:relative; }
.builder-preview-frame::after { content:"VISTA PREVIA"; position:sticky; bottom:18px; float:right; margin:0 18px 18px 0; padding:7px 10px; background:rgba(0,0,0,.72); color:#fff; font-size:10px; letter-spacing:.14em; pointer-events:none; z-index:20; }

.builder-actions-stack { flex-direction:column; align-items:stretch; }
.builder-publish,.builder-primary-action { width:100%; padding:14px 18px; border:0; background:#171717; color:#fff; font:inherit; font-weight:700; cursor:pointer; }
.builder-publish:disabled,.builder-primary-action:disabled { opacity:.45; cursor:not-allowed; }
.builder-modal { position:fixed; inset:0; z-index:9999; display:grid; place-items:center; padding:24px; background:rgba(0,0,0,.55); }
.builder-modal-card { position:relative; width:min(100%,480px); max-height:90vh; overflow:auto; padding:32px; background:#fff; box-shadow:0 30px 90px rgba(0,0,0,.25); }
.builder-modal-card h2 { margin:8px 0 10px; font-size:32px; }
.builder-modal-close { position:absolute; top:14px; right:14px; border:0; background:none; font-size:28px; cursor:pointer; }
.builder-auth-tabs { display:flex; gap:8px; margin:24px 0; }
.builder-auth-tabs button { flex:1; padding:10px; border:1px solid var(--builder-line); background:#fff; cursor:pointer; }
.builder-auth-tabs button.is-active { background:#171717; color:#fff; border-color:#171717; }
#builder-auth-form label { display:block; margin:14px 0 6px; font-size:13px; font-weight:700; }
#builder-auth-form input { width:100%; padding:12px 14px; border:1px solid var(--builder-line); font:inherit; }
.builder-primary-action { margin-top:20px; }
.builder-form-message { margin:12px 0 0; font-size:13px; color:#b42318; }
#builder-payment-step .builder-form-message { color:var(--builder-muted); }