:root {
  --kpi-green: #2f5d40;
  --kpi-green-dark: #24482f;
  --kpi-gold: #c2a24e;
  --kpi-green-tint: #e9f0eb;
  --kpi-cream: #f6f1e4;
  --bg: #f5f7f4;
  --card: #ffffff;
  --line: #e4eae2;
  --text: #1c2620;
  --muted: #6b7770;
  --danger: #c0392b;
  --ok: #1e7e46;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(24, 48, 32, 0.08), 0 6px 20px rgba(24, 48, 32, 0.06);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Kanit", -apple-system, "Segoe UI", Tahoma, sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, var(--kpi-green-tint) 0%, var(--bg) 320px);
  line-height: 1.55;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  font-size: 20px;
  color: var(--kpi-green);
  letter-spacing: -0.5px;
  text-decoration: none;
}
.brand-logo { height: 30px; width: auto; display: block; }
.brand span { color: var(--kpi-gold); }
.brand span.muted { color: var(--muted); font-weight: 400; }

.muted { color: var(--muted); }
.tiny { font-size: 12px; }
.req { color: var(--danger); }

/* ---------- topbar ---------- */
.topbar {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 22px;
  background: var(--card);
  border-bottom: 1px solid var(--line);
}
.topbar-menu { display: flex; align-items: center; flex-wrap: wrap; gap: 14px; }
.link { color: var(--kpi-green); text-decoration: none; font-size: 13px; white-space: nowrap; }
.link:hover { text-decoration: underline; }

.hamburger {
  display: none;
  background: none;
  border: none;
  font-size: 22px;
  line-height: 1;
  color: var(--kpi-green);
  cursor: pointer;
  padding: 4px 8px;
}

@media (max-width: 640px) {
  .topbar { padding: 12px 16px; }
  .hamburger { display: block; }
  .topbar-menu {
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    position: absolute;
    top: 100%;
    right: 16px;
    left: 16px;
    margin-top: 6px;
    padding: 14px 16px;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 10px;
    box-shadow: var(--shadow);
    z-index: 30;
  }
  .topbar-menu.open { display: flex; }
}

/* ---------- hero band (topbar + headline share the same cream backdrop) ---------- */
.hero-band { background: var(--kpi-cream); }
.hero-band .topbar { background: transparent; border-bottom: none; }
.hero-content { max-width: 560px; margin: 0 auto; padding: 8px 24px 36px; text-align: center; }
.hero-content .subtitle { margin: 4px 0 0; font-size: 13px; }

/* ---------- layout ---------- */
.wrap {
  max-width: 960px;
  margin: 22px auto;
  padding: 0 16px;
  display: grid;
  gap: 18px;
}
.site-footer { text-align: center; margin: 4px 0 18px; }

.card {
  position: relative;
  min-width: 0;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow);
  padding: 22px 24px;
  overflow: hidden;
}
.card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--kpi-green), var(--kpi-gold));
}
.card h2 { margin: 0 0 6px; font-size: 17px; }
.card .subtitle { margin: 0 0 18px; font-size: 13px; }
.card.hidden { display: none; }

.hero-title {
  margin: 0;
  font-size: 28px;
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: 0;
  color: var(--kpi-green);
}
.hero-tagline {
  margin: 4px 0 10px;
  font-size: 16px;
  font-weight: 500;
  color: var(--kpi-gold);
}

.narrow-wrap { max-width: 560px; }
.result-short { margin: 14px 0; }
.result-card { border-color: var(--kpi-gold); }

/* ---------- form ---------- */
.form { display: grid; gap: 14px; }
.form label { display: grid; gap: 5px; font-size: 13px; color: var(--muted); }
.form .label-text { font-weight: 400; font-size: 15px; color: var(--text); }
.form .hint { font-weight: 400; }
.form .row { display: flex; gap: 12px; flex-wrap: wrap; }
.form .grow { flex: 1 1 220px; }
input {
  font: inherit;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
  transition: border-color 0.15s, box-shadow 0.15s;
}
input:focus {
  outline: none;
  border-color: var(--kpi-green);
  box-shadow: 0 0 0 3px var(--kpi-green-tint);
}

.btn {
  font: inherit;
  font-weight: 600;
  color: #fff;
  background: var(--kpi-green);
  border: none;
  border-radius: 8px;
  padding: 10px 16px;
  cursor: pointer;
  justify-self: start;
  transition: background-color 0.15s, transform 0.1s, box-shadow 0.15s;
}
.btn:hover { background: var(--kpi-green-dark); transform: translateY(-1px); box-shadow: var(--shadow); }
.btn:active { transform: translateY(0); }
.btn.small { padding: 7px 12px; font-size: 13px; }
.btn.ghost { background: #fff; color: var(--kpi-green); border: 1px solid var(--kpi-green); }
.btn.ghost:hover { background: var(--kpi-green-tint); }

@media (max-width: 480px) {
  .btn-block { width: 100%; justify-self: stretch; text-align: center; padding: 13px 16px; font-size: 15px; }
  .hero-content { padding: 4px 16px 12px; }
  .hero-title { font-size: 26px; }
  .hero-tagline { margin: 5px 0 5px; font-size: 14px; }
  .hero-content .subtitle { font-size: 12.5px; }
  .wrap { margin: 12px auto; gap: 12px; }
  .card { padding: 16px 18px; }
  .form { gap: 10px; }
}

.msg { margin: 4px 0 0; font-size: 13px; min-height: 18px; }
.msg.ok { color: var(--ok); }
.msg.err { color: var(--danger); }

/* ---------- list ---------- */
.list-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}
.list-head h2 { margin: 0; }
#search { min-width: 220px; }
.empty { padding: 18px 4px; }

#list { overflow-x: auto; }
table.links { width: 100%; min-width: 720px; border-collapse: collapse; font-size: 13.5px; }
table.links th {
  text-align: left;
  font-weight: 600;
  color: var(--muted);
  border-bottom: 2px solid var(--line);
  padding: 8px 10px;
}
table.links td { padding: 9px 10px; border-bottom: 1px solid var(--line); vertical-align: middle; }
table.links .num { text-align: right; font-variant-numeric: tabular-nums; }
table.links tr.off { opacity: 0.55; }

.short { display: flex; align-items: center; gap: 8px; }
.short a { color: var(--kpi-green); font-weight: 600; text-decoration: none; }
.short a:hover { text-decoration: underline; }
.target { color: var(--text); text-decoration: none; }
.target:hover { text-decoration: underline; }

.act { display: flex; gap: 6px; }
.actions { white-space: nowrap; }
.mini {
  font: inherit;
  font-size: 12px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--kpi-green);
  border-radius: 6px;
  padding: 4px 9px;
  cursor: pointer;
}
.mini:hover { background: var(--kpi-green-tint); }
.mini.danger { color: var(--danger); }
.mini.danger:hover { background: #fcecea; }

.badge {
  font: inherit;
  font-size: 12px;
  border: none;
  border-radius: 20px;
  padding: 3px 10px;
  cursor: pointer;
}
.badge.on { background: #e3f4ea; color: var(--ok); }
.badge.off { background: #f0f0f3; color: var(--muted); }

/* ---------- mobile link list (ทางเลือกของตาราง บนจอเล็ก — แตะเพื่อเปิด popup รายละเอียด) ---------- */
.link-list { display: grid; gap: 10px; }
.link-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  width: 100%;
  font: inherit;
  text-align: left;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
  cursor: pointer;
}
.link-row:active { background: var(--kpi-green-tint); }
.link-row.off { opacity: 0.55; }
.link-row-main { display: grid; gap: 2px; overflow: hidden; }
.link-row-slug {
  color: var(--kpi-green);
  font-weight: 600;
  font-size: 14px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.link-row-label { color: var(--muted); font-size: 12.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.link-row-arrow { flex: none; color: var(--muted); font-size: 20px; }

.modal-box.link-modal-box { text-align: left; }
.link-modal-box h3 { text-align: center; }
.detail-row { display: grid; gap: 3px; margin-bottom: 14px; }
.detail-row .k { font-size: 12px; color: var(--muted); }
.detail-row .v { font-size: 14.5px; word-break: break-word; }
.link-modal-actions { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; margin-top: 4px; }

/* ---------- modal / QR ---------- */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(18, 26, 40, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  z-index: 40;
}
.modal.hidden { display: none; }
.modal-box {
  background: #fff;
  border-radius: 16px;
  padding: 22px;
  width: 380px;
  max-width: 100%;
  position: relative;
  text-align: center;
}
.modal-box h3 { margin: 0 0 14px; font-size: 15px; }
.modal-close {
  position: absolute;
  top: 10px; right: 12px;
  border: none; background: none;
  font-size: 24px; line-height: 1;
  color: var(--muted); cursor: pointer;
}
.qr-tabs { display: inline-flex; gap: 4px; background: var(--bg); padding: 4px; border-radius: 10px; margin-bottom: 16px; }
.qr-tabs .tab {
  font: inherit; font-size: 13px;
  border: none; background: none;
  padding: 6px 14px; border-radius: 8px; cursor: pointer; color: var(--muted);
}
.qr-tabs .tab.active { background: #fff; color: var(--kpi-green); font-weight: 600; box-shadow: var(--shadow); }
.qr-canvas { display: flex; justify-content: center; min-height: 320px; align-items: center; }
#qr-url { word-break: break-all; margin: 10px 0 16px; }
.qr-actions { display: flex; gap: 10px; justify-content: center; }
.qr-hint { margin: 12px 0 0; line-height: 1.5; }

/* ---------- centered pages (404 / interstitial) ---------- */
.centered { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px; }
.card.narrow { max-width: 420px; text-align: center; }
.card.narrow h1 { font-size: 20px; margin: 14px 0 8px; }
.card.narrow .btn { justify-self: center; margin: 16px auto 0; display: inline-block; text-decoration: none; }
.dest { font-weight: 700; color: var(--kpi-green); font-size: 18px; margin: 6px 0; }