:root {
  --ink: #16202e;
  --muted: #66758a;
  --line: #dde3ec;
  --bg: #f3f5f9;
  --card: #fff;
  --navy: #14294a;
  --accent: #1f5fd0;
  --green: #17804a;
  --green-bg: #e6f5ec;
  --amber: #a15c00;
  --red: #b3261e;
}

* { box-sizing: border-box; }

html { font-size: 15px; }
html.big { font-size: 19px; }

body {
  margin: 0;
  font: 1rem/1.45 -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
}

.hidden { display: none; }
.spacer { flex: 1; }
.muted { color: var(--muted); font-size: 0.867rem; }
.row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }

header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  background: var(--navy);
  color: #fff;
}

.logo { font-weight: 700; font-size: 1.2rem; letter-spacing: .02em; }
.zone { padding: 3px 10px; border-radius: 999px; font-size: 0.867rem; font-weight: 600; }
.zone-pc { background: #2c4a7c; }
.zone-laptop { background: #7a4b12; }
.who { font-size: 0.867rem; opacity: .85; }

button, .btn {
  font: inherit;
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
  cursor: pointer;
  text-decoration: none;
}
button:hover, .btn:hover { border-color: var(--accent); }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }
button.link { border: 0; background: none; color: var(--muted); padding: 6px 4px; }
header button.link { color: #fff; opacity: .8; }
button.wide { width: 100%; padding: 10px; }

input, select, textarea {
  font: inherit;
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
}
textarea { resize: vertical; }
input[type=checkbox] { width: auto; margin: 0; }

.tabs { display: flex; gap: 2px; padding: 0 12px; background: #fff; border-bottom: 1px solid var(--line); }
.tabs button { border: 0; border-bottom: 3px solid transparent; border-radius: 0; padding: 10px 10px; color: var(--muted); }
.tabs button.active { color: var(--ink); border-bottom-color: var(--accent); font-weight: 600; }
.count {
  display: inline-block; min-width: 20px; margin-left: 6px; padding: 0 6px;
  border-radius: 999px; background: var(--accent); color: #fff; font-size: 0.8rem; text-align: center;
}

main { padding: 14px; max-width: 900px; margin: 0 auto; }

.feed { border: 2px dashed transparent; border-radius: 10px; padding: 2px; }
.feed.over { border-color: var(--accent); background: #e8f0fd; }
.composer { display: grid; gap: 8px; margin-bottom: 12px; }
.list { display: grid; gap: 10px; }
.empty { padding: 28px 16px; text-align: center; color: var(--muted); }

.card {
  display: grid;
  gap: 8px;
  padding: 12px 14px;
  background: var(--card);
  border: 1px solid var(--line);
  border-left: 4px solid var(--line);
  border-radius: 8px;
}
.card.incoming { border-left-color: var(--green); background: #fbfefc; animation: arrive .9s ease-out; }
@keyframes arrive { from { background: #c9efd8; transform: translateY(-6px); } }

.meta { display: flex; gap: 10px; flex-wrap: wrap; font-size: 0.8rem; color: var(--muted); }
.dir { font-weight: 600; color: var(--ink); }
.incoming .dir { color: var(--green); }
.text { white-space: pre-wrap; overflow-wrap: anywhere; }
.fname { font-weight: 600; overflow-wrap: anywhere; }

.chip {
  display: inline-block; padding: 4px 10px; border-radius: 6px;
  background: #eef2f8; color: var(--ink); font-size: 0.867rem; text-decoration: none; justify-self: start;
}

.status { font-weight: 700; padding: 1px 8px; border-radius: 999px; background: #e9edf3; color: var(--ink); }
.st-new { border-left-color: var(--accent); }
.st-accepted { border-left-color: var(--amber); }
.st-accepted .status { background: #fdf0d8; color: var(--amber); }
.st-done { border-left-color: var(--green); }
.st-done .status { background: var(--green-bg); color: var(--green); }

.audit table { width: 100%; border-collapse: collapse; background: #fff; font-size: 0.867rem; }
.audit th, .audit td { padding: 6px 8px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.audit th { color: var(--muted); font-weight: 600; }
.chain { padding: 8px 12px; margin-bottom: 10px; border-radius: 6px; font-weight: 600; font-size: 0.867rem; }
.chain.ok { background: var(--green-bg); color: var(--green); }
.chain.bad { background: #fde7e5; color: var(--red); }

.settings label { display: grid; gap: 4px; font-size: 0.933rem; }
.settings label.check { display: flex; align-items: center; gap: 8px; }
.settings .fname:not(:first-child) { margin-top: 8px; padding-top: 12px; border-top: 1px solid var(--line); }
.settings table { width: 100%; border-collapse: collapse; }
.settings td { padding: 8px 0; border-bottom: 1px solid var(--line); vertical-align: middle; }
.settings td .row { justify-content: flex-end; flex-wrap: nowrap; }
.adduser { display: grid; gap: 8px; }
.secret { padding: 10px 12px; border-radius: 6px; background: #fdf0d8; }
.secret code { font-size: 1.1rem; font-weight: 700; user-select: all; }

.login {
  display: grid; gap: 10px; width: min(340px, 90vw); margin: 12vh auto 0; padding: 24px;
  background: #fff; border: 1px solid var(--line); border-radius: 10px;
}
.login .logo { font-size: 1.6rem; color: var(--navy); }
.error { color: var(--red); font-size: 0.867rem; min-height: 18px; }

.toast {
  position: fixed; left: 50%; bottom: 18px; transform: translateX(-50%);
  padding: 8px 16px; border-radius: 6px; background: var(--ink); color: #fff; font-size: 0.933rem; z-index: 10;
}
.toast.bad { background: var(--red); }

.progress {
  position: fixed; left: 12px; right: 12px; bottom: 12px; height: 26px;
  background: #fff; border: 1px solid var(--line); border-radius: 6px; overflow: hidden; z-index: 9;
}
.progress span { position: absolute; inset: 0 auto 0 0; width: 0; background: #cfe0fb; }
.progress em { position: relative; display: block; padding: 3px 10px; font-style: normal; font-size: 0.867rem; }