:root {
  --bg: #f4f6f8;
  --panel: #ffffff;
  --line: #dfe4ea;
  --ink: #22303c;
  --muted: #71808d;
  --brand: #0e7c93;
  --brand-dark: #0b6377;
  --ok-bg: #e4f6ea;
  --ok-ink: #1c6b3a;
  --err-bg: #fdeaea;
  --err-ink: #a12c2c;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.9 Tahoma, "Segoe UI", sans-serif;
}

.wrap { max-width: 1040px; margin: 0 auto; padding: 0 16px; }

/* ---------------------------------------------------------------- topbar */

.topbar {
  background: var(--brand);
  color: #fff;
  box-shadow: 0 1px 6px rgba(0, 0, 0, .15);
}
.topbar .wrap { display: flex; align-items: center; gap: 18px; height: 58px; }
.topbar a { color: #fff; text-decoration: none; }
.brand { font-weight: bold; font-size: 17px; }
.topbar nav { display: flex; gap: 14px; }
.topbar nav a { opacity: .82; padding: 4px 2px; border-bottom: 2px solid transparent; }
.topbar nav a:hover { opacity: 1; }
.topbar nav a.on { opacity: 1; border-bottom-color: #fff; }
.spacer { flex: 1; }
.who { opacity: .85; font-size: 13px; }
.ghost { border: 1px solid rgba(255, 255, 255, .55); border-radius: 8px; padding: 4px 12px; font-size: 13px; }

h1 { font-size: 21px; margin: 26px 0 18px; }
h2 { font-size: 17px; margin: 26px 0 12px; }

/* ----------------------------------------------------------------- cards */

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 18px;
  margin-bottom: 18px;
}

.stats { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 20px; }
.stat {
  flex: 1 1 150px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px 16px;
}
.stat b { display: block; font-size: 22px; color: var(--brand); }
.stat span { color: var(--muted); font-size: 13px; }

/* ----------------------------------------------------------------- forms */

label { display: block; margin: 14px 0 6px; font-size: 14px; color: var(--muted); }

input[type=text], input[type=password], input[type=number], input[type=file], select, textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: #fff;
  color: var(--ink);
  font: inherit;
}
textarea { min-height: 260px; line-height: 2.1; resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--brand); outline-offset: -1px; }

.row { display: flex; gap: 14px; flex-wrap: wrap; }
.row > * { flex: 1 1 200px; }

.btn {
  display: inline-block;
  border: 0;
  border-radius: 9px;
  background: var(--brand);
  color: #fff;
  padding: 10px 20px;
  font: inherit;
  cursor: pointer;
  text-decoration: none;
}
.btn:hover { background: var(--brand-dark); }
.btn.sec { background: #8496a3; }
.btn.danger { background: #b23b3b; }
.actions { margin-top: 20px; display: flex; gap: 10px; align-items: center; }

/* ---------------------------------------------------------------- tables */

table { width: 100%; border-collapse: collapse; background: var(--panel); border-radius: 12px; overflow: hidden; }
th, td { padding: 10px 12px; text-align: right; border-bottom: 1px solid var(--line); font-size: 14px; }
th { background: #eef2f5; color: var(--muted); font-weight: normal; }
tr:last-child td { border-bottom: 0; }
td.num, th.num { text-align: center; width: 70px; color: var(--muted); }
td a { color: var(--brand); }

.tag { display: inline-block; padding: 1px 8px; border-radius: 7px; font-size: 12px; background: #eef2f5; color: var(--muted); }
.tag.audio { background: #e2f1f5; color: var(--brand-dark); }
.tag.off { background: #f3e6e6; color: #a12c2c; }

/* ---------------------------------------------------------------- misc */

.flash { padding: 11px 15px; border-radius: 10px; margin: 0 0 16px; }
.flash.ok { background: var(--ok-bg); color: var(--ok-ink); }
.flash.err { background: var(--err-bg); color: var(--err-ink); }

.hint { color: var(--muted); font-size: 13px; margin: 6px 0 0; }

.pager { display: flex; gap: 6px; margin: 18px 0; flex-wrap: wrap; }
.pager a, .pager span { padding: 6px 12px; border-radius: 8px; border: 1px solid var(--line); background: #fff; text-decoration: none; color: var(--ink); font-size: 13px; }
.pager .on { background: var(--brand); color: #fff; border-color: var(--brand); }

.foot { text-align: center; color: var(--muted); font-size: 13px; padding: 28px 0; }

.login { max-width: 380px; margin: 80px auto; }

code { background: #eef2f5; padding: 2px 6px; border-radius: 5px; direction: ltr; display: inline-block; font-size: 13px; }
pre { background: #eef2f5; padding: 14px; border-radius: 10px; direction: ltr; text-align: left; overflow-x: auto; font-size: 13px; }