* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: #fafafa;
    color: #171717;
}

.container { max-width: 760px; margin: 0 auto; padding: 32px 16px; }

h1 { font-size: 1.5rem; margin: 0 0 4px; }
h2 { font-size: 1.1rem; margin: 0 0 12px; }
.muted { color: rgba(0, 0, 0, 0.55); font-size: 0.9rem; margin: 0; }
.hidden { display: none !important; }
.error { color: #dc2626; font-size: 0.85rem; margin: 8px 0 0; }

.page-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; margin-bottom: 24px; }

.btn {
    display: inline-block;
    border: 1px solid rgba(0, 0, 0, 0.15);
    background: #fff;
    border-radius: 6px;
    padding: 8px 14px;
    font-size: 0.9rem;
    cursor: pointer;
    text-decoration: none;
    color: inherit;
}
.btn:hover { background: rgba(0, 0, 0, 0.04); }
.btn-primary { background: #171717; border-color: #171717; color: #fff; }
.btn-primary:hover { background: #333; }
.btn-secondary { background: transparent; }
.btn-danger { color: #dc2626; border-color: rgba(220, 38, 38, 0.4); }
.btn-tiny { padding: 3px 10px; font-size: 0.78rem; }

.input {
    border: 1px solid rgba(0, 0, 0, 0.15);
    border-radius: 6px;
    padding: 8px 10px;
    font-size: 0.9rem;
    background: #fff;
    width: 100%;
}

.create-box {
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    padding: 16px;
    background: #fff;
    margin-bottom: 24px;
}
.create-form { display: flex; gap: 8px; flex-wrap: wrap; }
.create-form .input { flex: 1 1 200px; width: auto; }

#cards { display: flex; flex-direction: column; gap: 12px; }

.card {
    display: flex;
    gap: 16px;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    padding: 16px;
    background: #fff;
}
.card-qr {
    flex-shrink: 0;
    width: 128px;
    height: 128px;
    background: #fff;
    border-radius: 4px;
    overflow: hidden;
}
.card-qr img { width: 100%; height: 100%; }
.card-body { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 8px; }
.card-label { font-weight: 600; }
.card-shortlink { display: flex; align-items: center; gap: 8px; font-size: 0.85rem; color: rgba(0, 0, 0, 0.6); }
.shortlink-url { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.card-dest { font-size: 0.85rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.card-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.edit-form { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.edit-form .input { flex: 1 1 240px; width: auto; }

.login-box {
    max-width: 380px;
    margin: 10vh auto 0;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    padding: 24px;
    background: #fff;
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.login-box .muted { margin: 0; }
#step-verify { display: flex; flex-direction: column; gap: 10px; }
.code-input { font-size: 1.4rem; letter-spacing: 6px; text-align: center; }