/* ── Design tokens ──────────────────────────────────────────── */
:root {
  --bg:        #f2f4f8;
  --card:      #ffffff;
  --ink:       #1f2933;
  --muted:     #52606d;
  --accent:    #0b6e4f;
  --danger:    #b42318;
  --ok:        #087443;
  --shadow:    rgba(31, 41, 51, 0.12);
  --radius:    14px;
  --radius-sm: 8px;
}

/* ── Reset & base ───────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  font-size: 1rem;
  color: var(--ink);
  background: linear-gradient(135deg, #f8fafc 0%, #e7edf5 100%);
  min-height: 100dvh;
}

/* ── Page switching ─────────────────────────────────────────── */
.page {
  display: none;
}
.page.active {
  display: block;
}

/* ── Layout ─────────────────────────────────────────────────── */
.layout {
  max-width: 680px;
  margin: 0 auto;
  padding: 1.5rem 1rem 4rem;
  display: grid;
  gap: 1rem;
}

/* ── Cards ──────────────────────────────────────────────────── */
.card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: 0 10px 24px -10px var(--shadow);
}

.card-flat {
  background: var(--card);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  box-shadow: 0 2px 8px -4px var(--shadow);
}

/* ── Typography ─────────────────────────────────────────────── */
h1, h2, h3 {
  margin-top: 0;
  line-height: 1.25;
}

h1 { font-size: clamp(1.5rem, 5vw, 2rem); }
h2 { font-size: clamp(1.1rem, 4vw, 1.35rem); }

.lead {
  color: var(--muted);
  margin-bottom: 1rem;
  font-size: 1.05rem;
}

ul {
  margin-bottom: 0;
  padding-left: 1.25rem;
}

li + li {
  margin-top: 0.4rem;
}

/* ── Hero ────────────────────────────────────────────────────── */
.hero h1 {
  margin-bottom: 0.25rem;
}

/* ── Utility ─────────────────────────────────────────────────── */
.center { text-align: center; }
.mt     { margin-top: 1.25rem; }

/* ── Buttons ─────────────────────────────────────────────────── */
button {
  font-family: inherit;
  font-size: 1rem;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background 0.15s, opacity 0.15s;
}

button:disabled {
  opacity: 0.45;
  cursor: default;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  padding: 0.65rem 1.4rem;
  font-size: 1.05rem;
  border-radius: var(--radius-sm);
}
.btn-primary:hover:not(:disabled) { background: #095c40; }

.btn-phish {
  background: #c0392b;
  color: #fff;
  padding: 0.6rem 1rem;
  flex: 1;
}
.btn-phish:hover:not(:disabled) { background: #a93226; }

.btn-safe {
  background: #1a7f5e;
  color: #fff;
  padding: 0.6rem 1rem;
  flex: 1;
}
.btn-safe:hover:not(:disabled) { background: #155f47; }

.btn-nav {
  background: #334e68;
  color: #fff;
  padding: 0.6rem 1.2rem;
}
.btn-nav:hover:not(:disabled) { background: #243b53; }
.btn-nav-right { margin-left: auto; }

/* ── Actions row ─────────────────────────────────────────────── */
.actions {
  display: flex;
  gap: 0.6rem;
  margin-top: 0.85rem;
  flex-wrap: wrap;
}

/* ── Nav row ─────────────────────────────────────────────────── */
.nav-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* ── Email display ───────────────────────────────────────────── */
.email-meta {
  background: #f7fafc;
  border: 1px solid #d9e2ec;
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.85rem;
  margin-bottom: 0.75rem;
  font-size: 0.92rem;
}
.email-meta p { margin: 0.2rem 0; }

.msg {
  background: #f7fafc;
  border-left: 4px solid #9fb3c8;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 0.75rem;
  font-size: 0.95rem;
  word-break: break-word;
}

/* ── Result feedback ─────────────────────────────────────────── */
.result {
  min-height: 1.2rem;
  margin-top: 0.75rem;
  font-weight: 600;
  line-height: 1.4;
  border-radius: var(--radius-sm);
}
.result:not(:empty) {
  padding: 0.6rem 0.8rem;
}
.result.good {
  color: var(--ok);
  background: #edfaf2;
}
.result.bad {
  color: var(--danger);
  background: #fff0ef;
}

/* ── Progress bar ────────────────────────────────────────────── */
.progress-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 0.4rem;
}

.progress-track {
  height: 8px;
  background: #d9e2ec;
  border-radius: 99px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 99px;
  width: 0%;
  transition: width 0.35s ease;
}

/* ── Step dots ────────────────────────────────────────────────── */
.step-dots {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  margin-top: 0.6rem;
}

.dot {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: #d9e2ec;
  color: var(--muted);
  font-size: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: 2px solid transparent;
  transition: background 0.2s, border-color 0.2s;
}

.dot.dot-active   { border-color: var(--accent); background: #e3f4ed; color: var(--accent); }
.dot.dot-correct  { background: var(--ok); color: #fff; border-color: var(--ok); }
.dot.dot-wrong    { background: var(--danger); color: #fff; border-color: var(--danger); }

/* ── Results page ────────────────────────────────────────────── */
.results-card h1  { text-align: center; }
.score {
  text-align: center;
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  color: var(--muted);
}

.results-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.75rem;
}

.res-item {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
}
.res-ok  { background: #edfaf2; }
.res-bad { background: #fff0ef; }

.res-icon { font-size: 1.2rem; flex-shrink: 0; }
.res-exp  { color: var(--muted); font-size: 0.88rem; }

/* ── Mobile ──────────────────────────────────────────────────── */
@media (max-width: 480px) {
  .layout {
    padding: 1rem 0.75rem 3rem;
  }

  .card { padding: 1.1rem; }
  .card-flat { padding: 0.85rem 1rem; }

  .actions {
    flex-direction: column;
  }

  .btn-phish,
  .btn-safe {
    flex: none;
    width: 100%;
  }

  .btn-primary {
    width: 100%;
    padding: 0.75rem;
  }

  .btn-nav {
    flex: 1;
  }

  .dot {
    width: 1.75rem;
    height: 1.75rem;
  }
}