/* KNEC Results Checker — Green & White theme
   Mobile-first, SEO/accessibility friendly */
:root {
  --green: #2f7a4f;
  --green-dark: #1f5a39;
  --green-light: #e6f4ec;
  --bg: #ffffff;
  --fg: #1a2e22;
  --muted: #5b6b62;
  --border: #d8e6dd;
  --danger: #b3261e;
  --radius: 10px;
  --shadow: 0 10px 30px -10px rgba(47, 122, 79, 0.25);
  --gradient-header: linear-gradient(135deg, var(--green), var(--green-dark));
  --gradient-card: linear-gradient(180deg, #ffffff, #f5fbf7);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu,
    Cantarell, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--fg);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 16px;
}

/* Top bar */
.topbar {
  background: var(--gradient-header);
  color: #fff;
}
.topbar__inner {
  display: flex; align-items: center; gap: 12px;
  padding: 16px;
}
.topbar__logo {
  width: 48px; height: 48px; border-radius: 999px;
  background: #fff; padding: 4px;
  box-shadow: 0 2px 6px rgba(0,0,0,.15);
}
.topbar__title h1 {
  margin: 0; font-size: 1rem; font-weight: 700;
}
.topbar__eyebrow {
  margin: 0; font-size: 11px; letter-spacing: .15em;
  text-transform: uppercase; opacity: .85;
}

/* Hero */
.hero { text-align: center; padding: 24px 0 8px; }
.hero__logo { margin: 0 auto; width: 88px; height: 88px; }
.hero h2 {
  margin: 12px 0 4px; font-size: 1.15rem;
  letter-spacing: .02em; font-weight: 800;
}
.hero__subtitle {
  margin: 0; font-weight: 600; color: var(--green-dark);
  font-size: .95rem;
}

/* Card */
.card {
  margin: 16px 0;
  background: var(--gradient-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
}

/* Tabs */
.tabs {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 4px; padding: 4px;
  background: var(--green-light);
  border-radius: 8px; margin-bottom: 16px;
}
.tab {
  appearance: none; border: 0; background: transparent;
  padding: 10px 8px; border-radius: 6px;
  font: inherit; font-weight: 600; color: var(--green-dark);
  cursor: pointer; transition: background .2s, color .2s;
}
.tab.is-active {
  background: #fff; color: var(--green-dark);
  box-shadow: 0 1px 3px rgba(0,0,0,.08);
}

/* Form */
form { display: flex; flex-direction: column; gap: 14px; }
.grid {
  display: grid; grid-template-columns: 1fr; gap: 14px;
}
@media (min-width: 560px) {
  .grid { grid-template-columns: 1fr 1fr; }
}
.field { display: flex; flex-direction: column; gap: 6px; }
label { font-size: .85rem; font-weight: 600; color: var(--fg); }
input[type="text"], select {
  width: 100%;
  padding: 12px 14px;
  font: inherit;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  color: var(--fg);
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
input:focus, select:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(47,122,79,.18);
}

.privacy {
  display: flex; gap: 10px; align-items: flex-start;
  background: var(--green-light);
  border: 1px solid var(--border);
  border-radius: 8px; padding: 12px;
  font-size: .85rem; color: var(--muted);
  cursor: pointer;
}
.privacy input { accent-color: var(--green); margin-top: 3px; }
.privacy strong { color: var(--fg); }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px; width: 100%;
  padding: 14px 18px; border-radius: 8px;
  border: 0; cursor: pointer;
  font: inherit; font-size: 1rem; font-weight: 700;
  transition: background .2s, transform .05s;
}
.btn--primary { background: var(--green); color: #fff; }
.btn--primary:hover { background: var(--green-dark); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .7; cursor: not-allowed; }

.status {
  padding: 12px; border-radius: 8px;
  background: #fbeaea; color: var(--danger);
  border: 1px solid #f1c2c0; font-size: .9rem;
}

/* Info cards */
.info {
  display: grid; grid-template-columns: 1fr; gap: 10px;
  margin: 16px 0;
}
@media (min-width: 560px) { .info { grid-template-columns: repeat(3,1fr); } }
.info__card {
  background: #fff; border: 1px solid var(--border);
  border-radius: 8px; padding: 14px;
}
.info__card h3 {
  margin: 0 0 4px; font-size: .95rem; color: var(--green-dark);
}
.info__card p { margin: 0; font-size: .82rem; color: var(--muted); }

/* SEO article */
.seo { margin: 24px 0; color: var(--muted); font-size: .9rem; }
.seo h2 { color: var(--fg); font-size: 1rem; margin: 0 0 8px; }
.seo h3 { color: var(--fg); font-size: .92rem; margin: 14px 0 4px; }
.seo ol { padding-left: 18px; margin: 6px 0; }
.seo__keywords { font-size: .78rem; opacity: .8; }

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  background: var(--green-light);
  margin-top: 24px;
}
.footer p {
  margin: 0; padding: 16px 0;
  text-align: center; color: var(--muted); font-size: .8rem;
}