* { box-sizing: border-box; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: #f7f8fa;
    color: #1a1d29;
    margin: 0;
    line-height: 1.5;
}
.container { max-width: 1100px; margin: 0 auto; padding: 0 1.5rem; }
header {
    background: #1a1d29;
    color: #fff;
    padding: 0.75rem 0;
    border-bottom: 1px solid #000;
}
.header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.brand {
    color: #fff;
    text-decoration: none;
    font-weight: 600;
    letter-spacing: 0.02em;
}
main { padding: 2rem 1.5rem; }
h1 { margin: 0 0 0.25rem; font-size: 1.5rem; }
.muted { color: #6b7280; font-size: 0.9rem; }
.error { background: #fee2e2; color: #b91c1c; padding: 0.5rem; border-radius: 4px; }

/* login */
.login-card {
    max-width: 360px;
    margin: 4rem auto;
    background: #fff;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}
.login-card input {
    display: block;
    width: 100%;
    padding: 0.5rem;
    margin: 0.25rem 0 1rem;
    border: 1px solid #d1d5db;
    border-radius: 4px;
    font-size: 1rem;
}
.login-card button,
.btn {
    background: #1a1d29;
    color: #fff;
    border: 0;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.95rem;
}
.btn-primary { background: #166534; }
.btn-danger  { background: #991b1b; }
.btn-small {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    background: #e5e7eb;
    color: #111;
    text-decoration: none;
    border-radius: 4px;
    font-size: 0.85rem;
}

/* tabs */
.tabs { display: flex; gap: 0.5rem; margin: 1rem 0; }
.tab {
    padding: 0.4rem 0.8rem;
    border: 1px solid #d1d5db;
    border-radius: 999px;
    background: #fff;
    text-decoration: none;
    color: #374151;
    font-size: 0.9rem;
}
.tab-active { background: #1a1d29; color: #fff; border-color: #1a1d29; }
.badge {
    display: inline-block;
    margin-left: 0.4rem;
    padding: 0 0.4rem;
    background: rgba(255,255,255,0.2);
    border-radius: 999px;
    font-size: 0.8rem;
}
.tab:not(.tab-active) .badge { background: #e5e7eb; color: #374151; }

/* table */
table.drafts {
    width: 100%;
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    border-collapse: collapse;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}
.drafts th, .drafts td {
    text-align: left;
    padding: 0.6rem 0.8rem;
    border-bottom: 1px solid #f3f4f6;
    font-size: 0.9rem;
}
.drafts th { background: #f9fafb; font-weight: 600; color: #4b5563; }
.drafts tr:last-child td { border-bottom: 0; }
.drafts .num { text-align: right; font-weight: 600; }
.drafts .name { font-weight: 600; }
.drafts .subject { color: #6b7280; max-width: 320px; }
.drafts code { background: #f3f4f6; padding: 0.1rem 0.3rem; border-radius: 3px; font-size: 0.85rem; }

.tier { font-size: 0.75rem; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; }
.tier-contact  { color: #166534; }
.tier-nurture  { color: #92400e; }
.tier-archive  { color: #6b7280; }
.tier-reject   { color: #991b1b; }

/* detail */
.backlink { color: #4b5563; text-decoration: none; font-size: 0.9rem; }
.meta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin: 1rem 0 2rem;
    padding: 0.75rem 1rem;
    background: #f3f4f6;
    border-radius: 6px;
    font-size: 0.85rem;
}
.meta code { background: #e5e7eb; padding: 0.1rem 0.3rem; border-radius: 3px; }

.draft-form label {
    display: block;
    font-size: 0.85rem;
    color: #4b5563;
    margin: 0.75rem 0 0.25rem;
    font-weight: 600;
}
.draft-form input,
.draft-form textarea {
    display: block;
    width: 100%;
    padding: 0.6rem;
    border: 1px solid #d1d5db;
    border-radius: 4px;
    font-family: -apple-system, "Menlo", monospace;
    font-size: 0.9rem;
}
.draft-form textarea { font-family: "Menlo", monospace; line-height: 1.55; }
.actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.signals {
    margin-top: 2rem;
    padding: 1rem;
    background: #fff;
    border-radius: 6px;
    border: 1px solid #e5e7eb;
}
.signals summary { cursor: pointer; font-weight: 600; color: #374151; }
.signals table { width: 100%; margin-top: 0.75rem; border-collapse: collapse; font-size: 0.85rem; }
.signals th, .signals td { text-align: left; padding: 0.4rem; border-bottom: 1px solid #f3f4f6; }
.signals .json { color: #6b7280; font-family: "Menlo", monospace; font-size: 0.75rem; max-width: 500px; overflow-x: auto; }

.empty { padding: 3rem; text-align: center; color: #6b7280; background: #fff; border-radius: 8px; }

.flash-err { background: #fee2e2; color: #b91c1c; padding: 0.6rem 1rem; border-radius: 6px; margin: 1rem 0; font-size: 0.9rem; }
.flash-ok  { background: #d1fae5; color: #065f46; padding: 0.6rem 1rem; border-radius: 6px; margin: 1rem 0; font-size: 0.9rem; }
.link, .inline button {
    background: none;
    border: 0;
    color: #9ca3af;
    cursor: pointer;
    font-size: 0.85rem;
}
.link:hover { color: #fff; }
.inline { display: inline; }