:root {
  --bg: #0f1115;
  --card: #171a21;
  --card-2: #1e222b;
  --border: #2a2f3a;
  --text: #e8eaed;
  --muted: #9aa3b2;
  --accent: #4f8cff;
  --green: #2ecc71;
  --yellow: #f1c40f;
  --red: #e74c3c;
  font-family: -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.wrap { max-width: 980px; margin: 0 auto; padding: 24px 16px 80px; }

.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 32px;
  width: 100%;
  max-width: 340px;
  text-align: center;
}

.login-card h1 { font-size: 20px; margin: 0 0 20px; }

input, select, textarea {
  width: 100%;
  background: var(--card-2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 15px;
  margin-bottom: 10px;
}

button {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 10px 16px;
  font-size: 15px;
  cursor: pointer;
}

button.secondary { background: var(--card-2); border: 1px solid var(--border); color: var(--text); }
button.danger { background: var(--red); }
button:hover { opacity: 0.9; }

.error { color: var(--red); font-size: 14px; min-height: 18px; margin-bottom: 8px; }

header.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

header.top h1 { font-size: 22px; margin: 0; }

.period-switch { display: flex; align-items: center; gap: 10px; }
.period-switch button { padding: 6px 10px; }
.period-label { font-weight: 600; min-width: 90px; text-align: center; }

.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}

.stat {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
}

.stat .label { color: var(--muted); font-size: 13px; margin-bottom: 6px; }
.stat .value { font-size: 22px; font-weight: 700; }
.stat.warn .value { color: var(--yellow); }
.stat.bad .value { color: var(--red); }
.stat.good .value { color: var(--green); }

.tabs { display: flex; gap: 8px; margin-bottom: 16px; }
.tabs button { background: var(--card-2); border: 1px solid var(--border); color: var(--muted); }
.tabs button.active { background: var(--accent); color: #fff; border-color: var(--accent); }

.section { display: none; }
.section.active { display: block; }

.item-list { display: flex; flex-direction: column; gap: 10px; }

.item-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.item-card .badge {
  width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0;
}
.badge.odendi { background: var(--muted); }
.badge.bekliyor { background: var(--accent); }
.badge.yaklasiyor { background: var(--yellow); }
.badge.gecikti { background: var(--red); }

.item-main { flex: 1; min-width: 0; }
.item-main .name { font-weight: 600; }
.item-main .meta { color: var(--muted); font-size: 13px; }

.item-amount { font-weight: 700; white-space: nowrap; }
.item-actions { display: flex; gap: 6px; }
.item-actions button { padding: 6px 10px; font-size: 13px; }

.add-row { margin-bottom: 16px; }

.manage-list { display: flex; flex-direction: column; gap: 8px; }
.manage-row {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.manage-row .info { flex: 1; }
.manage-row .info .n { font-weight: 600; }
.manage-row .info .d { color: var(--muted); font-size: 13px; }

dialog {
  background: var(--card);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px;
  width: min(420px, 92vw);
}
dialog::backdrop { background: rgba(0,0,0,0.6); }
dialog h2 { margin-top: 0; font-size: 18px; }
.dialog-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 10px; }

.empty { color: var(--muted); text-align: center; padding: 30px 0; }