:root {
    --bg: #f5f6f8; --card: #fff; --ink: #1d2330; --muted: #6b7280; --line: #e3e6eb;
    --brand: #1f6feb; --ok: #1a7f37; --warn: #b26a00; --err: #c62828;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font-size: 15px; }
a { color: var(--brand); }
h1 { font-size: 1.2rem; margin: 0; }
h2 { font-size: 1.05rem; margin: 0 0 .75rem; }

.top { display: flex; justify-content: space-between; align-items: center; padding: .9rem 1.25rem; background: var(--card); border-bottom: 1px solid var(--line); }
main { max-width: 1280px; margin: 0 auto; padding: 1rem; display: grid; gap: 1rem; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 1rem; }
details.card > summary { cursor: pointer; font-weight: 600; }
details[open] > summary { margin-bottom: 1rem; }

.flash { padding: .7rem 1rem; border-radius: 8px; background: #e7f5ea; color: var(--ok); }
.flash.warn { background: #fff4e0; color: var(--warn); }
.flash.err { background: #fdecea; color: var(--err); }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: .75rem; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: .8rem 1rem; }
.stat b { display: block; font-size: 1.35rem; }
.stat span { color: var(--muted); font-size: .85rem; }
.stat.hi { border-color: var(--brand); }

input, select, button, .btn { font: inherit; padding: .55rem .7rem; border: 1px solid var(--line); border-radius: 7px; background: #fff; color: inherit; }
input, select { width: 100%; }
button, .btn { cursor: pointer; background: var(--brand); color: #fff; border-color: var(--brand); text-decoration: none; display: inline-block; white-space: nowrap; }
button:disabled { opacity: .6; cursor: wait; }
.btn.ghost { background: #fff; color: var(--brand); }
button.danger { background: #fff; color: var(--err); border-color: var(--err); }

.grid-form { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: .8rem; }
.grid-form label { display: grid; gap: .3rem; font-weight: 500; }
.grid-form small { color: var(--muted); font-weight: 400; }
.grid-form .full { grid-column: 1 / -1; }
.grid-form [hidden] { display: none; }
.hint { color: var(--muted); margin: 0; font-size: .9rem; }

.filters { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; }
.filters input[name=q] { flex: 1 1 220px; }
.filters select { width: auto; flex: 0 1 auto; }
.filters .chk { display: flex; gap: .35rem; align-items: center; white-space: nowrap; }
.filters .chk input { width: auto; }
.meta { color: var(--muted); margin: .75rem 0; font-size: .9rem; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: .6rem .5rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: .8rem; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); }
td.empty { text-align: center; color: var(--muted); padding: 2rem; }
.maps { font-size: .8rem; margin-left: .35rem; }
.badge { display: inline-block; font-size: .75rem; padding: .1rem .45rem; border-radius: 99px; background: #eef0f3; color: var(--muted); text-decoration: none; }
.badge.ok { background: #e7f5ea; color: var(--ok); }
.badge.warn { background: #fff4e0; color: var(--warn); }
.badge.err { background: #fdecea; color: var(--err); }
.pager { display: flex; gap: 1rem; justify-content: center; margin-top: 1rem; }
.purge { margin-top: 1rem; text-align: right; }

.login { display: grid; place-items: center; min-height: 100vh; }
.login-card { width: min(360px, 92vw); display: grid; gap: .9rem; }
.login-card label { display: grid; gap: .3rem; }

/* Mobile: turn table rows into cards */
@media (max-width: 760px) {
    main { padding: .6rem; }
    table thead { display: none; }
    table, tbody, tr, td { display: block; width: 100%; }
    tr { border: 1px solid var(--line); border-radius: 8px; margin-bottom: .6rem; padding: .3rem .6rem; }
    td { border: 0; padding: .3rem 0; display: grid; grid-template-columns: 6.5rem 1fr; gap: .5rem; }
    td::before { content: attr(data-l); color: var(--muted); font-size: .8rem; }
    td > .badge { justify-self: start; }
    td.empty { display: block; }
    td.empty::before { content: none; }
    .filters select, .filters .btn, .filters button { flex: 1 1 45%; }
}

/* Navigation */
.nav { display: flex; flex-wrap: wrap; gap: .25rem 1rem; align-items: center; }
.nav a { text-decoration: none; padding: .25rem 0; border-bottom: 2px solid transparent; }
.nav a.active { color: var(--ink); font-weight: 600; border-bottom-color: var(--brand); }
@media (max-width: 760px) { .top { flex-wrap: wrap; gap: .5rem; } }

/* Settings + Send Message */
textarea { width: 100%; font: inherit; padding: .55rem .7rem; border: 1px solid var(--line); border-radius: 7px; resize: vertical; }
.filters details.more { flex: 1 1 100%; }
.filters details.more > summary { cursor: pointer; color: var(--brand); margin: .25rem 0; }
.filters details.more[open] > summary { margin-bottom: .75rem; }
.filters .grid-form select { width: 100%; }
.btn.wa { background: #1fa855; border-color: #1fa855; font-size: .85rem; padding: .4rem .65rem; }
.btn.wa:disabled { background: #eef0f3; border-color: var(--line); color: var(--muted); cursor: not-allowed; opacity: 1; }
.preview { white-space: normal; background: #e7f5ea; border-radius: 8px; padding: .75rem 1rem; max-width: 520px; line-height: 1.45; }
h2 small.hint { font-weight: 400; font-size: .85rem; }
.note { background: #f3f7ff; border: 1px solid #cfdcf7; border-radius: 8px; padding: .75rem 1rem; display: grid; gap: .5rem; }
.note table { background: transparent; }
.note th, .note td { padding: .4rem .5rem; }
.note code { background: #fff; border: 1px solid var(--line); border-radius: 4px; padding: .05rem .3rem; }