:root {
  --bg: #f6f7fa;
  --fg: #1d2433;
  --muted: #6b7280;
  --border: #e2e6ee;
  --accent: #0d4d9e;
  --accent-fg: #fff;
  --warn: #b54708;
  --warn-bg: #fff7ed;
  --ok: #047857;
  --ok-bg: #ecfdf5;
  --danger: #b42318;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif; color: var(--fg); background: var(--bg); }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 24px; background: #fff; border-bottom: 1px solid var(--border);
}
.brand { font-weight: 700; font-size: 17px; color: var(--fg); }
.topbar nav { display: flex; align-items: center; gap: 18px; }
.user-pill { color: var(--muted); font-size: 13px; }
.logout-form { display: inline; margin: 0; }
.link-btn { background: none; border: none; color: var(--accent); cursor: pointer; font-size: 14px; padding: 0; }
.link-btn.danger { color: var(--danger); }

.container { max-width: 1180px; margin: 28px auto; padding: 0 24px; }
.footer { text-align: center; color: var(--muted); padding: 24px; font-size: 12px; }
h1 { font-size: 22px; margin: 0 0 4px; }
h2 { font-size: 16px; margin: 26px 0 10px; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.empty { padding: 26px; text-align: center; color: var(--muted); border: 1px dashed var(--border); border-radius: 8px; background: #fff; }

.card { background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 18px 20px; margin: 14px 0; }
.card.subtle { background: var(--warn-bg); border-color: #fed7aa; color: var(--warn); }
.login-card { max-width: 420px; margin: 90px auto; text-align: center; padding: 38px 32px; }

.btn { display: inline-block; padding: 10px 16px; background: var(--accent); color: var(--accent-fg); border: none; border-radius: 6px; cursor: pointer; font-size: 14px; }
.btn:hover { filter: brightness(0.95); }
.btn-google { margin-top: 18px; }

.alert { background: var(--warn-bg); color: var(--warn); padding: 10px 14px; border-radius: 6px; margin: 14px 0; font-size: 14px; }

table.data { width: 100%; border-collapse: collapse; background: #fff; border-radius: 10px; overflow: hidden; border: 1px solid var(--border); }
table.data th, table.data td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); font-size: 13px; }
table.data thead { background: #f1f4f9; }
table.data tr:last-child td { border-bottom: none; }

table.sortable th[data-sort] { position: relative; padding-right: 22px; }
table.sortable th[data-sort]:hover { background: #e6ebf3; }
table.sortable th[data-sort]::after { content: "↕"; position: absolute; right: 8px; color: #9ca3af; font-size: 10px; opacity: 0.5; }
table.sortable th.sort-asc::after { content: "↑"; color: var(--accent); opacity: 1; }
table.sortable th.sort-desc::after { content: "↓"; color: var(--accent); opacity: 1; }

.status { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 11px; font-weight: 600; background: #eef2ff; color: #1e3a8a; }
.status-sailing { background: #dbeafe; color: #1e40af; }
.status-sin-datos { background: #f3f4f6; color: #6b7280; }
.status-pending, .status-sin-número-de-contenedor { background: #fef3c7; color: #92400e; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 10px; margin: 18px 0; }
.kv { background: #fff; border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; }
.kv span { display: block; color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: 0.4px; }
.kv strong { font-weight: 600; font-size: 14px; }

.timeline { list-style: none; padding: 0; margin: 14px 0; border-left: 2px solid var(--border); }
.event { padding: 10px 14px; margin: 0 0 6px 0; position: relative; }
.event::before { content: ""; position: absolute; left: -7px; top: 16px; width: 12px; height: 12px; border-radius: 50%; background: var(--accent); border: 2px solid #fff; }
.event-est::before { background: #94a3b8; }
.event-ts { color: var(--muted); font-size: 12px; }
.event-body strong { font-size: 14px; }
.badge { font-size: 10px; padding: 1px 6px; border-radius: 4px; margin-left: 6px; }
.badge-act { background: var(--ok-bg); color: var(--ok); }
.badge-est { background: #eef2ff; color: #1e3a8a; }

.form { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; align-items: end; }
.form label { display: flex; flex-direction: column; font-size: 12px; color: var(--muted); gap: 4px; }
.form input, .form select { padding: 8px 10px; border: 1px solid var(--border); border-radius: 6px; font-size: 14px; }
.inline-form { display: inline; margin: 0; }

.chips { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.chips li { background: #fff; border: 1px solid var(--border); border-radius: 999px; padding: 4px 10px; font-size: 12px; }