:root {
  --ink: #1c1c1c;
  --muted: #5c5c5c;
  --line: #d6d6d6;
  --paper: #f4f4f2;
  --panel: #ffffff;
  --accent: #d01010;
  --accent-hover: #b40e0e;
  --font: Inter, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: var(--font);
  color: var(--ink);
  min-height: 100vh;
  background: var(--paper);
}

.otp-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1.5rem 1rem;
}

.otp-panel {
  width: min(400px, 100%);
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 2rem 1.5rem 1.5rem;
}

.otp-brand {
  margin: 0 0 1.5rem;
  display: flex;
  justify-content: center;
}

.otp-brand img {
  display: block;
  width: 168px;
  height: auto;
}

.otp-title {
  margin: 0 0 0.4rem;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  text-align: center;
}

.otp-sub {
  margin: 0 auto 1.35rem;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.45;
  max-width: 34ch;
  text-align: center;
}

.field { margin-bottom: 0.9rem; }

label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  color: #444;
  margin-bottom: 0.35rem;
}

.phone-row {
  display: flex;
  gap: 0.45rem;
}

.phone-cc {
  flex: 0 0 68px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  background: var(--paper);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--ink);
  user-select: none;
}

input[type="tel"],
input[type="text"],
input:not([type="checkbox"]) {
  width: 100%;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  border-radius: 0;
  padding: 0.8rem 0.85rem;
  font-size: 1rem;
  font-family: inherit;
  outline: none;
}
input:not([type="checkbox"]):focus {
  border-color: #222;
}

.code-input {
  letter-spacing: 0.28em;
  text-align: center;
  font-weight: 700;
  font-size: 1.25rem;
}

.privacy {
  margin: 0 0 0.85rem;
  font-size: 0.78rem;
  line-height: 1.45;
  color: var(--muted);
  text-align: center;
}
.privacy strong {
  color: var(--ink);
  font-weight: 650;
}

.consent {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  margin: 0 0 1.1rem;
  font-size: 0.8rem;
  line-height: 1.4;
  color: #333;
  cursor: pointer;
  text-align: left;
}
.consent input {
  width: auto;
  margin: 0.15rem 0 0;
  accent-color: var(--accent);
  flex: 0 0 auto;
}
.consent span { flex: 1; }

.btn {
  width: 100%;
  border: 0;
  border-radius: 0;
  padding: 0.88rem 1rem;
  font-weight: 650;
  font-size: 0.95rem;
  font-family: inherit;
  cursor: pointer;
  background: var(--accent);
  color: #fff;
}
.btn:hover { background: var(--accent-hover); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn.secondary {
  background: #fff;
  color: var(--ink);
  border: 1px solid var(--line);
  margin-top: 0.5rem;
}
.btn.secondary:hover { background: var(--paper); }

.msg {
  margin: 0.75rem 0 0;
  font-size: 0.84rem;
  color: var(--muted);
  min-height: 1.15em;
  text-align: center;
}
.msg.err { color: #a51212; }
.msg.ok { color: #1f6b3a; }

.otp-meta {
  margin: 0.7rem 0 0;
  font-size: 0.78rem;
  color: var(--muted);
  text-align: center;
}

.otp-foot {
  margin-top: 1.35rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  font-size: 0.75rem;
  color: #777;
  line-height: 1.4;
  text-align: center;
}