:root {
    --bg: #f6f7f9;
    --card: #ffffff;
    --text: #17202a;
    --muted: #667085;
    --border: #d0d5dd;
    --primary: #1f2937;
    --danger: #b42318;
}

* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: var(--bg);
    color: var(--text);
}

a { color: var(--primary); }
.container { max-width: 1180px; margin: 0 auto; padding: 24px; }
.header { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-bottom: 20px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 18px; box-shadow: 0 1px 2px rgba(16,24,40,.05); }
.login { max-width: 420px; margin: 80px auto; }
.form-row { display: grid; gap: 6px; margin-bottom: 14px; }
label { font-weight: 650; font-size: 14px; }
input, select, textarea {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 10px 12px;
    font: inherit;
    background: white;
}
textarea { min-height: 140px; }
button, .button {
    display: inline-block;
    border: 0;
    border-radius: 10px;
    padding: 10px 14px;
    background: var(--primary);
    color: white;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
}
.button.secondary { background: #475467; }
.button.light { background: white; color: var(--primary); border: 1px solid var(--border); }
.error { color: var(--danger); margin-bottom: 12px; }
.filters { display: grid; grid-template-columns: 1fr 1fr 2fr auto auto; gap: 10px; align-items: end; margin-bottom: 16px; }
table { width: 100%; border-collapse: collapse; background: white; border-radius: 14px; overflow: hidden; }
th, td { text-align: left; padding: 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { font-size: 13px; color: var(--muted); background: #f9fafb; }
.badge { display: inline-block; border-radius: 999px; padding: 4px 9px; font-size: 12px; font-weight: 700; background: #eef2f6; }
.badge.urgente, .badge.alta { background: #fee4e2; color: #912018; }
.grid { display: grid; grid-template-columns: 2fr 1fr; gap: 18px; }
.meta { display: grid; grid-template-columns: 160px 1fr; gap: 8px 12px; }
.meta dt { color: var(--muted); font-weight: 700; }
.meta dd { margin: 0; overflow-wrap: anywhere; }
.message { white-space: pre-wrap; }
.actions { display: flex; gap: 10px; flex-wrap: wrap; }
.small { font-size: 13px; color: var(--muted); }
@media (max-width: 760px) {
    .filters, .grid { grid-template-columns: 1fr; }
    .header { align-items: flex-start; flex-direction: column; }
    table { display: block; overflow-x: auto; }
}