:root {
  --bg: #061b16;
  --panel: rgba(13, 42, 36, 0.94);
  --green: #4ad7a1;
  --green-light: #9af7d0;
  --text: #ebfff7;
  --muted: #b3dccd;
  --line: rgba(177, 255, 218, 0.16);
  --danger: #ff9c9c;
}

* { box-sizing: border-box; }

body {
  min-height: 100vh;
  margin: 0;
  font-family: "Inter", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 15% 10%, rgba(74, 215, 161, 0.24), transparent 28%),
    radial-gradient(circle at 85% 90%, rgba(127, 231, 190, 0.15), transparent 30%),
    #061b16;
}

a { color: inherit; }

.auth-page {
  width: min(100% - 32px, 1040px);
  margin: 0 auto;
  padding: 24px 0 48px;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1.1fr);
  grid-template-areas:
    "logo logo"
    "guide form"
    "play form"
    "faq faq";
  align-content: start;
  align-items: start;
  gap: 20px 24px;
}

.auth-logo {
  grid-area: logo;
  display: block;
  width: 180px;
  margin: 0 auto;
}

.auth-logo img { display: block; width: 100%; height: auto; }

.auth-card {
  grid-area: form;
  align-self: stretch;
  padding: clamp(24px, 6vw, 40px);
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--panel);
  box-shadow: 0 24px 70px rgba(2, 12, 10, 0.55);
  backdrop-filter: blur(16px);
}

.auth-eyebrow {
  margin: 0 0 6px;
  color: var(--green-light);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1 { margin: 0; font-size: clamp(1.8rem, 7vw, 2.5rem); line-height: 1.15; }
.auth-intro { margin: 10px 0 26px; color: var(--muted); }
.auth-form { display: grid; gap: 18px; }
.auth-form-register { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.auth-form-register .terms,
.auth-form-register .auth-submit,
.auth-form-register .form-message { grid-column: 1 / -1; }
.field { display: grid; gap: 7px; }
.field label { font-weight: 700; }

.field input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 13px 14px;
  color: var(--text);
  background: rgba(2, 16, 13, 0.68);
  font: inherit;
  outline: none;
}

.field input:focus { border-color: var(--green); box-shadow: 0 0 0 3px rgba(74, 215, 161, 0.15); }
.form-options { display: flex; justify-content: space-between; gap: 16px; font-size: 0.9rem; }
.check-row { display: flex; align-items: flex-start; gap: 8px; color: var(--muted); }
.check-row input { margin-top: 4px; accent-color: var(--green); }
.text-link, .auth-switch a { color: var(--green-light); font-weight: 700; }
.terms { font-size: 0.9rem; }

.auth-submit {
  border: 0;
  border-radius: 999px;
  padding: 14px 22px;
  color: #062a1d;
  background: linear-gradient(135deg, var(--green-light), var(--green));
  box-shadow: 0 12px 28px rgba(74, 215, 161, 0.25);
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.auth-submit:hover, .auth-submit:focus-visible { filter: brightness(1.08); transform: translateY(-1px); }
.form-message { min-height: 1.5em; margin: -4px 0 0; color: var(--green-light); text-align: center; }
.form-message.error { color: var(--danger); }
.auth-switch { margin: 24px 0 0; color: var(--muted); text-align: center; }

.auth-play-now {
  display: flex;
  width: min(100%, 220px);
  min-width: 0;
  margin: 0;
  padding: 0.95rem 1.5rem;
  justify-content: center;
  border-radius: 999px;
  color: #062a1d;
  background: linear-gradient(135deg, var(--green-light), var(--green));
  box-shadow: 0 12px 28px rgba(74, 215, 161, 0.25);
  font-weight: 900;
  text-decoration: none;
}

.auth-play-panel {
  grid-area: play;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 1rem 1.2rem;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(13, 42, 36, 0.72);
}

.auth-play-panel p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.auth-guide {
  grid-area: guide;
  padding: clamp(22px, 4vw, 28px);
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(13, 42, 36, 0.78);
}

.auth-guide-heading h2 {
  margin: 0;
  font-size: clamp(1.45rem, 5vw, 1.9rem);
}

.auth-guide-heading > p:last-child {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.6;
}

.auth-guide-steps {
  display: grid;
  gap: 14px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.auth-guide-steps li {
  display: grid;
  grid-template-columns: 38px 1fr;
  gap: 13px;
  align-items: start;
}

.auth-guide-steps li > span {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  color: #062a1d;
  background: linear-gradient(135deg, var(--green-light), var(--green));
  font-weight: 900;
}

.auth-guide-steps h3 {
  margin: 1px 0 4px;
  font-size: 1rem;
}

.auth-guide-steps p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.55;
}

.auth-security-note {
  margin: 18px 0 0;
  padding: 1rem;
  border-left: 3px solid var(--green);
  border-radius: 10px;
  color: var(--muted);
  background: rgba(2, 16, 13, 0.5);
  font-size: 0.88rem;
  line-height: 1.55;
}

.auth-security-note strong { color: var(--green-light); }

.auth-page-faq {
  grid-area: faq;
  width: min(100% - 32px, 840px);
  margin: 0 auto;
  padding: 18px 0 24px;
}

@media (max-width: 800px) {
  .auth-page {
    width: min(100% - 32px, 520px);
    grid-template-columns: 1fr;
    grid-template-areas:
      "logo"
      "guide"
      "form"
      "play"
      "faq";
  }

  .auth-form-register { grid-template-columns: 1fr; }
  .auth-form-register .terms,
  .auth-form-register .auth-submit,
  .auth-form-register .form-message { grid-column: auto; }
}

@media (max-width: 480px) {
  .auth-page { padding: 20px 0; }
  .auth-logo { width: 145px; }
  .form-options { align-items: flex-start; flex-direction: column; gap: 10px; }
  .auth-play-panel { align-items: stretch; flex-direction: column; }
  .auth-play-now { width: 100%; }
}