:root {
  --bg: #f3f6f2;
  --panel: #ffffff;
  --border: #dce5df;
  --green: #d7f267;
  --green-ink: #1e3024;
  --nav: #17262a;
  --text: #1b2a2d;
  --muted: #718087;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Avenir Next", "Helvetica Neue", sans-serif;
}
a { color: #147374; text-decoration: none; }
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 22px; padding: 14px 28px; background: var(--nav); color: white;
}
.topbar .brand { font-weight: 800; font-size: 18px; color: var(--green); white-space: nowrap; }
.topbar nav { display: flex; gap: 18px; margin-left: auto; }
.topbar nav a { color: #d9e4df; }
.topbar nav a:hover { color: var(--green); }
.container { padding: 28px; max-width: 1100px; margin: 0 auto; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 16px; margin: 20px 0; }
.card {
  background: var(--panel); border: 1px solid var(--border); border-radius: 12px;
  padding: 18px; text-align: center;
}
.card .num { font-size: 28px; font-weight: 700; color: #147374; }
.card .label { color: var(--muted); margin-top: 6px; }
table { width: 100%; border-collapse: collapse; margin-top: 16px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; font-size: 13px; text-transform: uppercase; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px; background: var(--green); color: var(--green-ink); font-weight: 800;
  padding: 11px 16px; border-radius: 10px; border: none; cursor: pointer; transition: transform .2s, filter .2s;
}
.btn:hover { filter: brightness(.96); transform: translateY(-1px); }
.btn.secondary { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn.danger { background: #d64545; color: white; }
.row-actions form { display: inline; }
.question-filters { display: grid; grid-template-columns: 2fr 1fr 1fr auto auto; gap: 9px; margin-top: 20px; }
.question-filters input, .question-filters select { min-width: 0; padding: 11px 12px; background: var(--panel); border: 1px solid var(--border); border-radius: 10px; color: var(--text); font: inherit; }
.pagination { display: flex; align-items: center; justify-content: center; gap: 16px; margin-top: 20px; }
.page-head { display: flex; justify-content: space-between; align-items: center; }
form.stacked label { display: block; margin: 14px 0 6px; color: var(--muted); font-size: 13px; }
form.stacked input, form.stacked textarea, form.stacked select {
  width: 100%; padding: 12px 13px; background: #f7faf7; border: 1px solid var(--border);
  border-radius: 10px; color: var(--text); font-size: 14px; outline: none; transition: border-color .2s, box-shadow .2s;
}
.stacked input:focus, .stacked textarea:focus, .stacked select:focus { border-color: #147374; box-shadow: 0 0 0 3px #1473741c; }
.login-box {
  width: min(100%, 390px); background: var(--panel); padding: 32px;
  border-radius: 20px; border: 1px solid var(--border); box-shadow: 0 18px 50px #1b2a2d12;
}
.auth-shell { min-height: 100vh; display: flex; align-items: center; justify-content: center; gap: clamp(35px, 8vw, 110px); padding: 36px 24px; background: radial-gradient(circle at 5% 0, #dcefe5 0, transparent 36%), var(--bg); }
.auth-intro { width: min(370px, 100%); }
.auth-mark { display: grid; place-items: center; width: 52px; height: 52px; border-radius: 15px; background: var(--nav); color: var(--green); font-weight: 900; letter-spacing: 1px; }
.kicker { margin: 24px 0 9px; color: #147374; font-size: 11px; font-weight: 800; letter-spacing: 2px; }
.auth-intro h1 { margin: 0; font-size: clamp(32px, 5vw, 48px); line-height: 1.03; letter-spacing: -.8px; }
.auth-subtitle { max-width: 290px; margin-top: 18px; color: var(--muted); line-height: 1.55; }
.auth-heading { margin-bottom: 24px; }
.auth-heading h2 { margin: 0 0 5px; font-size: 24px; }
.auth-heading span { color: var(--muted); font-size: 12px; }
.auth-switch { margin: 22px 0 0; color: var(--muted); font-size: 12px; text-align: center; }
.auth-switch a { font-weight: 800; }
.error, .success { margin-top: 13px; padding: 10px 12px; border-radius: 9px; font-size: 12px; line-height: 1.4; }
.error { color: #a23a2c; background: #fff0ed; }
.success { color: #26734d; background: #ebf8ef; }
.settings-panel { width: min(100%, 520px); background: var(--panel); padding: 28px; border: 1px solid var(--border); border-radius: 12px; }
.import-panel { width: min(100%, 760px); background: var(--panel); padding: 28px; border: 1px solid var(--border); border-radius: 12px; }
.import-panel textarea { min-height: 280px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; }
@media (max-width: 760px) {
  .topbar { align-items: flex-start; flex-wrap: wrap; padding: 14px 18px; }
  .topbar nav { order: 3; width: 100%; overflow-x: auto; margin: 0; padding-bottom: 2px; }
  .topbar form { margin-left: auto; }
  .container { padding: 22px 18px; }
  .auth-shell { flex-direction: column; align-items: stretch; gap: 24px; padding: 30px 18px; }
  .auth-intro { width: min(390px, 100%); margin: 0 auto; }
  .auth-intro h1 br { display: none; }
  .login-box { margin: 0 auto; }
  .question-filters { grid-template-columns: 1fr 1fr; }
  .question-filters input { grid-column: 1 / -1; }
}