:root {
  --navy: #1f3d6b;        /* ministry heading text */
  --ink: #1b1b1b;
  --muted: #777;
  --blue: #337ab7;        /* primary button / links */
  --blue-dark: #286090;
  --info: #2f6f9f;        /* instruction text */
  --line: #cccccc;
  --addon-bg: #eeeeee;
  --addon-text: #999999;
  --bg: #ffffff;
  --danger: #a94442;
  --ok: #3c763d;
  --radius: 6px;
}

* { box-sizing: border-box; }

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

body {
  font-family: "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.5;
}

/* ---- Layout ---- */
.page {
  display: flex;
  justify-content: center;
  padding: 30px 16px 60px;
}

.card {
  width: 100%;
  max-width: 620px;
  text-align: center;
}

/* ---- Masthead ---- */
.masthead {
  margin: 6px 0 22px;
  color: var(--navy);
}

.masthead__line {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.35;
}

.masthead__line--strong { font-weight: 700; }

/* ---- Seal ---- */
.seal {
  width: 200px;
  height: auto;
  display: block;
  margin: 0 auto 26px;
}

/* ---- Title ---- */
.card__title {
  margin: 0 0 30px;
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.25;
}

.card__title-en {
  display: block;
  font-size: 1.25rem;
  font-weight: 400;
  font-style: italic;
  color: var(--ink);
  margin-top: 2px;
}

/* ---- Form (Bootstrap-style input groups) ---- */
.form {
  max-width: 560px;
  margin: 0 auto;
  text-align: left;
}

.input-group {
  display: flex;
  align-items: stretch;
  margin-bottom: 16px;
}

.input-group__addon {
  display: flex;
  align-items: center;
  flex: none;
  padding: 8px 12px;
  font-size: 0.95rem;
  color: var(--addon-text);
  background: var(--addon-bg);
  border: 1px solid var(--line);
  border-right: none;
  border-radius: var(--radius) 0 0 var(--radius);
  white-space: nowrap;
}

.input-group__input {
  flex: 1 1 auto;
  min-width: 0;
  padding: 8px 12px;
  font-size: 1rem;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: #fff;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.input-group__input:focus {
  outline: none;
  border-color: #66afe9;
  box-shadow: 0 0 0 3px rgba(102, 175, 233, 0.35);
}

.btn {
  display: block;
  margin: 22px auto 0;
  padding: 9px 22px;
  font-size: 1rem;
  font-weight: 400;
  color: #fff;
  background: var(--blue);
  border: 1px solid var(--blue-dark);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.15s, transform 0.05s;
}
.btn:hover { background: var(--blue-dark); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: 0.65; cursor: progress; }

/* ---- Instruction ---- */
.instruction {
  max-width: 560px;
  margin: 26px auto 0;
  text-align: left;
  font-size: 0.9rem;
  color: var(--info);
}

.instruction__line {
  display: flex;
  align-items: flex-start;
  gap: 9px;
}
.instruction__line + .instruction__line { margin-top: 6px; }

.flag {
  flex: none;
  margin-top: 3px;
  border: 1px solid rgba(0, 0, 0, 0.12);
}

/* ---- Result ---- */
.result {
  max-width: 560px;
  margin: 24px auto 0;
  padding: 16px;
  border-radius: var(--radius);
  font-size: 0.92rem;
  border: 1px solid var(--line);
  text-align: left;
}
.result[hidden] { display: none; }

.result--ok {
  background: #dff0d8;
  border-color: #d6e9c6;
  color: var(--ok);
}
.result--not-found {
  background: #f2dede;
  border-color: #ebccd1;
  color: var(--danger);
}
.result--error {
  background: #fcf8e3;
  border-color: #faebcc;
  color: #8a6d3b;
}

.result__title { margin: 0 0 8px; font-weight: 700; font-size: 1rem; }

.result__table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 8px;
  color: var(--ink);
}
.result__table th,
.result__table td {
  text-align: left;
  padding: 6px 8px;
  border-bottom: 1px solid var(--line);
  font-size: 0.88rem;
  vertical-align: top;
}
.result__table th {
  width: 42%;
  font-weight: 600;
  color: #2a3b2e;
}

@media (max-width: 560px) {
  .card__title { font-size: 1.3rem; }
  .card__title-en { font-size: 1.05rem; }
  .input-group { flex-direction: column; }
  .input-group__addon {
    border-right: 1px solid var(--line);
    border-bottom: none;
    border-radius: var(--radius) var(--radius) 0 0;
  }
  .input-group__input {
    border-radius: 0 0 var(--radius) var(--radius);
  }
}