:root {
  --mf-primary: #009bfa;
  --ink: #222;
  --muted: #666;
  --danger: #8d2b2b;
  --paper: #f6f8fb;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
}

.skip {
  position: absolute;
  left: 0.5rem;
  top: -4rem;
  background: #fff;
  color: var(--mf-primary);
  padding: 0.4rem 0.7rem;
}

.skip:focus { top: 0.5rem; }

.sheet {
  width: min(26rem, calc(100% - 1.5rem));
  margin: 8vh auto 2rem;
  padding: 30px 20px;
  background: #fff;
  border-radius: 25px;
  box-shadow: 0 8px 28px rgba(20, 32, 51, 0.08);
}

.mark {
  margin: 0;
  font-size: 18px;
  line-height: 1.2;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--mf-primary);
}

.mark span {
  font-weight: 300;
  padding-left: 3px;
}

h1 {
  margin: 20px 0 8px;
  font-size: 16px;
  font-weight: 800;
  line-height: 1.3;
  text-align: center;
  color: var(--ink);
}

h2 {
  margin: 1.4rem 0 0.4rem;
  font-size: 16px;
  font-weight: 800;
}

p { line-height: 1.45; color: var(--muted); }

.dest {
  background: #eef8ff;
  border-left: 4px solid var(--mf-primary);
  padding: 0.7rem 0.8rem;
  border-radius: 8px;
  color: var(--ink);
}

label {
  display: block;
  margin: 14px 0 0;
  font-size: 14px;
  font-weight: 600;
  color: var(--muted);
}

input {
  width: 100%;
  min-height: 2.4rem;
  padding: 6px 0;
  border: 0;
  border-bottom: 1px solid #666;
  border-radius: 0;
  font: inherit;
  font-size: 16px;
  color: var(--ink);
  background: transparent;
}

input:focus {
  outline: none;
  border-bottom-color: var(--mf-primary);
}

button, .button {
  display: inline-block;
  margin-top: 18px;
  width: 100%;
  min-height: 2.6rem;
  border: 0;
  border-radius: 12px;
  background: var(--mf-primary);
  color: #fff;
  font: inherit;
  font-size: 16px;
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  padding: 8px 12px;
  box-shadow: none;
}

button:disabled { opacity: 0.6; cursor: wait; }

.button-quiet {
  background: #fff;
  color: var(--mf-primary);
  border: 1px solid var(--mf-primary);
}

.register-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 18px;
}

.register-row span {
  flex: 1;
  font-size: 14px;
  font-weight: 600;
  color: var(--muted);
}

.register-row .button {
  width: auto;
  margin: 0;
  border-radius: 10px;
  padding: 6px 12px;
  font-size: 14px;
}

.links { font-size: 14px; text-align: center; }

.links a { color: var(--mf-primary); font-weight: 600; }

.error {
  background: #fff1f1;
  color: var(--danger);
  padding: 0.7rem 0.8rem;
  border-radius: 8px;
}

.row {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
  margin: 0.4rem 0;
}

.row button { width: auto; margin-top: 0; }

.inline { margin: 0; font-size: 0.85rem; color: var(--ink); }

.inline input { width: 10rem; min-height: 2.2rem; }

@media (max-width: 640px) {
  .sheet { margin-top: 1.2rem; }
}