:root {
  --green: #3a7d44;
  --green-dark: #2c6135;
  --green-light: #e2f0e4;
  --yellow: #f6c445;
  --bg: #f2f5f0;
  --card: #ffffff;
  --text: #24312a;
  --muted: #6f7f72;
  --line: #dde5da;
  --bad: #b23b34;
  --warn-bg: #fdf3d0;
  --warn-text: #8a6b16;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(36, 49, 42, 0.08);
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  font-family: -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.5;
}

.topbar {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  padding: 10px 20px;
  background: var(--card);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand { display: flex; align-items: center; gap: 8px; font-size: 18px; font-weight: 700; }
.brand svg { display: block; }

.nav { display: flex; gap: 4px; flex-wrap: wrap; }

.tab {
  border: none;
  background: transparent;
  color: var(--muted);
  font-size: 15px;
  padding: 7px 14px;
  border-radius: 999px;
  cursor: pointer;
}
.tab:hover { background: var(--green-light); color: var(--green-dark); }
.tab.active { background: var(--green); color: #fff; }

.userbox { margin-left: auto; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.who { color: var(--muted); }

.container { max-width: 1040px; margin: 0 auto; padding: 22px 16px 70px; }

h1 { font-size: 24px; margin: 8px 0 16px; }
h2 { font-size: 17px; margin: 0 0 12px; }

.muted { color: var(--muted); }
.hidden { display: none !important; }
.err-msg { color: var(--bad); }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 12px;
  margin-bottom: 22px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 16px;
  box-shadow: var(--shadow);
}
.card-title { color: var(--muted); font-size: 13px; text-transform: uppercase; letter-spacing: 0.04em; }
.card-value { font-size: 20px; font-weight: 700; margin-top: 4px; }
.card.big .card-value { font-size: 26px; }
.card.good .card-value { color: var(--green); }
.card.bad .card-value { color: var(--bad); }

.panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 18px;
  margin-bottom: 18px;
  box-shadow: var(--shadow);
}

.grid-form {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
  margin-bottom: 12px;
}

.form label { display: block; font-size: 13px; color: var(--muted); }
.form input, .form select {
  display: block;
  width: 100%;
  margin-top: 4px;
  padding: 9px 10px;
  font-size: 15px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
}
.form input:focus, .form select:focus { outline: 2px solid var(--green); outline-offset: 0; border-color: var(--green); }

.btn {
  border: none;
  border-radius: 8px;
  padding: 9px 16px;
  font-size: 15px;
  cursor: pointer;
  background: #e8ede6;
  color: var(--text);
}
.btn.primary { background: var(--green); color: #fff; }
.btn.primary:hover { background: var(--green-dark); }
.btn.danger { background: var(--bad); color: #fff; }
.btn.danger:hover { background: #93302a; }
.btn.ghost { background: transparent; border: 1px solid var(--line); color: var(--muted); }
.btn.small { padding: 5px 12px; font-size: 13px; }

.tbl-wrap { overflow-x: auto; }
.tbl {
  width: 100%;
  border-collapse: collapse;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.tbl th, .tbl td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: middle; }
.tbl thead th { background: #f6f9f4; font-size: 13px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.03em; }
.tbl tbody tr:last-child td { border-bottom: none; }
.num { text-align: right !important; white-space: nowrap; }
.row-in .num { color: var(--green); }
.row-out .num { color: var(--bad); }

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 13px;
  background: #eef2ec;
  color: var(--muted);
  white-space: nowrap;
}
.badge.ok { background: var(--green-light); color: var(--green-dark); }
.badge.good { background: var(--green); color: #fff; }
.badge.warn { background: var(--warn-bg); color: var(--warn-text); }
.badge.bad { background: #f9e3e1; color: #99352f; }

.row-actions { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.note-input {
  padding: 5px 8px;
  font-size: 13px;
  border: 1px solid var(--line);
  border-radius: 6px;
  min-width: 160px;
}

.auth-wrap { display: flex; justify-content: center; padding: 40px 0; }
.auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 28px 28px 24px;
  text-align: center;
}
.auth-card h1 { margin: 8px 0 4px; }
.auth-card .switch { display: flex; justify-content: center; gap: 4px; margin: 14px 0; }
.auth-card form { text-align: left; }
.auth-card .form > label { margin-bottom: 10px; display: block; }
.auth-card .btn { width: 100%; }
.hint { font-size: 13px; margin: 10px 0 0; }

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%) translateY(20px);
  background: #2f3b32;
  color: #fff;
  padding: 10px 18px;
  border-radius: 10px;
  opacity: 0;
  pointer-events: none;
  transition: all 0.25s ease;
  z-index: 100;
  max-width: 90vw;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.err { background: var(--bad); }

.pay-grid { display: flex; gap: 18px; align-items: flex-start; flex-wrap: wrap; }
.qr { width: 180px; height: 180px; background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 8px; flex: 0 0 auto; }
.claim-form { margin-top: 14px; display: flex; gap: 10px; align-items: flex-end; flex-wrap: wrap; }
.claim-form label { flex: 1 1 170px; margin-bottom: 0; }

.nav-badge {
  display: inline-block;
  min-width: 18px;
  padding: 1px 6px;
  border-radius: 999px;
  background: #d9534f;
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  vertical-align: middle;
  margin-left: 4px;
}
.nav-badge:empty { display: none; }

.chat-wrap {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 14px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  max-height: 55vh;
  overflow-y: auto;
}
.msg { max-width: 75%; border-radius: 12px; padding: 7px 12px; }
.msg.mine { align-self: flex-end; background: var(--green); color: #fff; }
.msg.mine .msg-meta { color: rgba(255, 255, 255, 0.75); }
.msg.their { align-self: flex-start; background: #eef2ec; }
.msg-author { font-size: 12px; font-weight: 700; color: var(--green-dark); margin-bottom: 2px; }
.msg-meta { font-size: 11px; color: var(--muted); margin-top: 2px; }
.chat-form { display: flex; gap: 8px; margin-top: 10px; }
.chat-form input { flex: 1; padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; font-size: 15px; }
.chat-form input:focus { outline: 2px solid var(--green); border-color: var(--green); }
.chat-head { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.thread-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  cursor: pointer;
  margin-bottom: 8px;
}
.thread-row:hover { background: #f6f9f4; }
.thread-last { color: var(--muted); font-size: 13px; max-width: 520px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.thread-side { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }

@media (max-width: 600px) {
  .topbar { padding: 8px 12px; }
  .userbox { margin-left: 0; width: 100%; justify-content: space-between; }
}