* { box-sizing: border-box; }

body {
    margin: 0;
    background: #f7f8fb;
    color: #101828;
    font-family: Arial, sans-serif;
}

a { color: #d92d73; font-weight: 700; }

.app-shell {
    width: min(1080px, calc(100% - 24px));
    margin: 0 auto;
    padding: 18px 0 42px;
}

.topbar { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 48px; }
.topbar a { font-size: 18px; text-decoration: none; }
.topbar nav { display: flex; gap: 14px; }

.hero {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 24px;
    padding: 30px 0 28px;
    border-bottom: 1px solid #dfe3ea;
}

.hero h1 { margin: 0 0 8px; font-size: clamp(32px, 5vw, 54px); }
.hero p { margin: 0; max-width: 660px; color: #485467; font-size: 18px; line-height: 1.45; }
.hero-mark {
    display: grid;
    place-items: center;
    width: 92px;
    height: 68px;
    flex: 0 0 auto;
    border-radius: 8px;
    background: #ffedf4;
    color: #ff4f8b;
    font-size: 30px;
    font-weight: 800;
}

.workspace { display: grid; gap: 18px; margin-top: 20px; }
.workspace.has-card { grid-template-columns: minmax(280px, .72fr) minmax(0, 1.28fr); align-items: start; }
.panel, .message { border: 1px solid #dfe3ea; border-radius: 8px; background: #fff; }
.panel { padding: 20px; }
.panel h2 { margin: 0 0 16px; font-size: 24px; }

label { display: block; margin: 0 0 6px; color: #344054; font-weight: 700; }
input, button { width: 100%; min-height: 46px; padding: 11px 12px; margin: 0 0 14px; border-radius: 8px; font-size: 16px; }
input { border: 1px solid #cfd6e3; background: #fff; color: #101828; }
input:focus { outline: 3px solid #ffedf4; border-color: #ff4f8b; }
button { display: inline-flex; align-items: center; justify-content: center; border: 0; background: #ff4f8b; color: #fff; cursor: pointer; font-weight: 700; }
button:hover { background: #e63e79; }
.secondary { border: 1px solid #cfd6e3; background: #fff; color: #344054; }
.secondary:hover { background: #f7f8fb; }
.hint { margin: 0; color: #667085; font-size: 14px; line-height: 1.45; }

.message { margin-top: 18px; padding: 14px 16px; }
.message.error { border-color: #f7b7b7; background: #fff1f1; color: #9b1c1c; }
.message.success { border-color: #b9e6c9; background: #effaf3; color: #157347; }
.admin-panel { max-width: 520px; margin: 20px auto 0; }
.admin-stat { display: flex; align-items: baseline; gap: 8px; padding: 14px; margin: 4px 0 14px; border-radius: 8px; background: #f7f8fb; color: #485467; }
.admin-stat strong { color: #101828; font-size: 28px; }
.result-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.result-heading span { color: #667085; font-size: 13px; }

.og-card { overflow: hidden; aspect-ratio: 1200 / 630; border: 1px solid #dfe3ea; border-radius: 8px; background: #f7f8fb; display: grid; grid-template-columns: 42% 58%; }
.card-image { min-width: 0; overflow: hidden; margin: 16px 0 16px 16px; border-radius: 8px; }
.card-image img { width: 100%; height: 100%; object-fit: cover; display: block; }
.card-image.fallback { display: grid; place-items: center; background: linear-gradient(135deg, #ffedf4, #ff4f8b); color: #fff; font-size: clamp(60px, 10vw, 110px); font-weight: 700; }
.card-copy { min-width: 0; padding: 8% 7%; display: flex; flex-direction: column; }
.site-name { color: #ff4f8b; font-size: clamp(10px, 1.3vw, 15px); font-weight: 800; text-transform: uppercase; }
.card-copy h3 { margin: 7% 0 3%; font-size: clamp(20px, 3.2vw, 38px); line-height: 1.05; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 4; -webkit-box-orient: vertical; }
.card-copy p { margin: 0; color: #485467; font-size: clamp(10px, 1.4vw, 16px); line-height: 1.35; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.card-url { margin-top: auto; padding: 4% 5%; border-radius: 6px; background: #fff; color: #667085; font-size: clamp(9px, 1.2vw, 14px); font-weight: 700; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.share-label { margin-top: 16px; }
.link-copy-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 10px; }
.link-copy-row input, .link-copy-row button { margin: 0; }
.link-copy-row button { width: auto; min-width: 142px; }
.share-status { display: block; min-height: 18px; margin-top: 10px; color: #157347; font-size: 14px; font-weight: 700; }
.result-panel { transition: opacity .22s ease, transform .22s ease; }
.result-panel.card-dismissed { display: none; }

@media (max-width: 760px) {
    .app-shell { width: min(100% - 18px, 1080px); padding: 10px 0 28px; }
    .hero { align-items: flex-start; padding: 18px 0; }
    .hero h1 { font-size: 30px; }
    .hero p { font-size: 16px; }
    .hero-mark { width: 64px; height: 50px; font-size: 22px; }
    .workspace, .workspace.has-card { grid-template-columns: 1fr; gap: 14px; margin-top: 14px; }
    .panel { padding: 14px; }
    .panel h2 { font-size: 22px; }
    .link-copy-row { grid-template-columns: 1fr; }
    .link-copy-row button { width: 100%; }
    .site-name { font-size: 9px; }
    .card-copy h3 { font-size: clamp(18px, 5.5vw, 30px); }
    .card-copy p { font-size: clamp(9px, 2.6vw, 14px); }
}