/* ---------------------------------------------------------------------------
   NUDEVERSE — sign-in terminal
   Aesthetic locked to the nudeverse.org landing page:
   - Pure monochrome (black bg, white text, silver accents — NO chromatic accents)
   - Anton (display), Space Mono (UI/labels), Barlow Condensed (body)
   - SVG grain overlay + horizontal scanlines, sharp 1px borders
   - Cursor: crosshair, inverted text selection
   --------------------------------------------------------------------------- */

:root {
  --black:      #000000;
  --off-black:  #080808;
  --near-black: #0d0d0d;
  --white:      #ffffff;
  --off-white:  #f0eee8;
  --silver:     #aaaaaa;
  --dim:        #555555;
  --faint:      rgba(255, 255, 255, 0.06);
  --line:       rgba(255, 255, 255, 0.13);
  --line-soft:  rgba(255, 255, 255, 0.08);

  --D: "Anton", sans-serif;
  --M: "Space Mono", ui-monospace, SFMono-Regular, monospace;
  --B: "Barlow Condensed", -apple-system, BlinkMacSystemFont, sans-serif;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--black);
  color: var(--white);
  font-family: var(--B);
  font-weight: 400;
  min-height: 100vh;
  min-height: 100dvh;
  overflow-x: hidden;
  cursor: crosshair;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection { background: var(--white); color: var(--black); }

a { color: inherit; }

/* ---------- Global grain (matches landing page exactly) ---------- */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 9998;
  pointer-events: none;
  opacity: 0.45;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.75' numOctaves='4' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.05'/%3E%3C/svg%3E");
  background-size: 200px 200px;
  mix-blend-mode: overlay;
}

/* ---------- Nav strip ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 28px;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.95) 0%, rgba(0, 0, 0, 0) 100%);
}

.n-logo {
  font-family: var(--D);
  font-size: 22px;
  letter-spacing: 5px;
  color: var(--white);
  text-decoration: none;
  display: inline-flex;
  align-items: baseline;
  gap: 3px;
}
.n-logo sup {
  font-family: var(--M);
  font-size: 9px;
  letter-spacing: 0;
  vertical-align: super;
  color: var(--silver);
}

.n-date {
  font-family: var(--M);
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--silver);
  text-transform: uppercase;
}

/* ---------- Stage ---------- */
.stage {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 20px 60px;
  position: relative;
}

/* ---------- Frame (replaces "card") ---------- */
.frame {
  position: relative;
  width: 100%;
  max-width: 520px;
  padding: 36px 32px 28px;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--line);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  animation: frame-in 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes frame-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Scanlines on the frame (matches landing-page hero) */
.scanlines::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0px,
    transparent 3px,
    rgba(255, 255, 255, 0.018) 3px,
    rgba(255, 255, 255, 0.018) 4px
  );
  z-index: 0;
}

.frame > * { position: relative; z-index: 1; }

/* ---------- Top ribbon ---------- */
.ribbon {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 16px;
  margin-bottom: 22px;
  border-bottom: 1px solid var(--line-soft);
  font-family: var(--M);
  font-size: 9px;
  letter-spacing: 2.5px;
  color: var(--silver);
  text-transform: uppercase;
}
.ribbon-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--white);
  box-shadow: 0 0 8px rgba(255, 255, 255, 0.6);
  animation: blink 1.4s ease-in-out infinite;
  flex-shrink: 0;
}
.ribbon-text { flex: 1; }
.ribbon-id   { color: var(--dim); }

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.25; }
}

/* ---------- Brand wordmark ---------- */
.brand {
  text-align: center;
  margin-bottom: 36px;
  line-height: 0.82;
}

.brand-line {
  display: block;
  font-family: var(--D);
  background: repeating-linear-gradient(
    to bottom,
    #ffffff 0px,
    #ffffff 3px,
    #1c1c1c 3px,
    #1c1c1c 6px
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nude-word {
  font-size: clamp(72px, 16vw, 116px);
  letter-spacing: -1.5px;
}

.verse-word {
  font-size: clamp(36px, 8vw, 60px);
  letter-spacing: -0.5px;
}

.brand-sub {
  margin-top: 14px;
  font-family: var(--M);
  font-size: 9px;
  letter-spacing: 5px;
  color: var(--silver);
  text-transform: uppercase;
}

/* ---------- Screens ---------- */
.screen {
  animation: screen-in 0.35s ease;
}
.screen.hidden { display: none; }

@keyframes screen-in {
  from { opacity: 0; transform: translateX(6px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* ---------- Step line ---------- */
.step-line {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  font-family: var(--M);
}
.step-num {
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--white);
  background: var(--white);
  color: var(--black);
  padding: 3px 7px;
}
.step-rule {
  flex: 1;
  height: 1px;
  background: var(--line);
}
.step-lbl {
  font-size: 10px;
  letter-spacing: 3px;
  color: var(--silver);
  text-transform: uppercase;
}

/* ---------- Headings + text ---------- */
h1 {
  font-family: var(--D);
  font-size: clamp(28px, 6vw, 40px);
  font-weight: 400;
  letter-spacing: 1px;
  text-transform: uppercase;
  line-height: 1;
  margin-bottom: 12px;
}

.subtle {
  font-family: var(--B);
  font-size: 14px;
  color: var(--silver);
  line-height: 1.5;
  margin-bottom: 24px;
  letter-spacing: 0.5px;
}

.subtle.small { font-size: 12px; margin-top: 14px; margin-bottom: 0; }

.strong { color: var(--white); font-weight: 600; letter-spacing: 1px; }

.field-label {
  display: block;
  font-family: var(--M);
  font-size: 10px;
  letter-spacing: 2.5px;
  color: var(--silver);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.hint {
  font-family: var(--M);
  font-size: 10px;
  color: var(--dim);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin: 8px 2px 18px;
}

/* ---------- Phone input ---------- */
.phone-row {
  display: flex;
  align-items: stretch;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line);
  transition: border-color 0.2s ease, background 0.2s ease;
}

.phone-row:focus-within {
  border-color: var(--white);
  background: rgba(255, 255, 255, 0.05);
}

.cc {
  display: inline-flex;
  align-items: center;
  padding: 0 16px;
  font-family: var(--M);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 1px;
  border-right: 1px solid var(--line);
  color: var(--white);
  background: rgba(255, 255, 255, 0.04);
}

input[type="tel"],
input[type="text"] {
  width: 100%;
  padding: 16px 14px;
  font-family: var(--M);
  font-size: 16px;
  background: transparent;
  color: var(--white);
  border: none;
  outline: none;
  letter-spacing: 1px;
}

input::placeholder { color: var(--dim); }

/* ---------- OTP input ---------- */
#otp-input {
  width: 100%;
  text-align: center;
  font-family: var(--D);
  font-size: 38px;
  letter-spacing: 14px;
  padding: 18px 0 16px;
  padding-left: 14px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line);
  font-variant-numeric: tabular-nums;
  caret-color: var(--white);
  transition: border-color 0.2s ease, background 0.2s ease;
}
#otp-input::placeholder {
  font-family: var(--M);
  font-size: 24px;
  letter-spacing: 6px;
  color: var(--dim);
}
#otp-input:focus {
  border-color: var(--white);
  background: rgba(255, 255, 255, 0.05);
}

/* ---------- Turnstile ---------- */
.turnstile { margin: 16px 0 0; min-height: 0; }
.turnstile:empty { display: none; }

/* ---------- Buttons ---------- */
button.primary {
  width: 100%;
  padding: 16px 22px;
  margin-top: 22px;
  background: var(--white);
  color: var(--black);
  border: 1px solid var(--white);
  border-radius: 0;
  font-family: var(--M);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  cursor: crosshair;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  transition: background 0.18s ease, color 0.18s ease;
}

button.primary:hover:not(:disabled) {
  background: transparent;
  color: var(--white);
}

button.primary:active:not(:disabled) {
  background: var(--off-white);
  color: var(--black);
}

button.primary:disabled {
  background: transparent;
  color: var(--dim);
  border-color: var(--line);
  cursor: not-allowed;
}

.btn-arrow {
  display: inline-block;
  font-family: var(--M);
  font-weight: 400;
  transition: transform 0.2s ease;
}
button.primary:hover:not(:disabled) .btn-arrow { transform: translateX(4px); }

/* Text-link button */
button.link, a.link {
  background: none;
  border: none;
  color: var(--silver);
  cursor: crosshair;
  font-family: var(--M);
  font-size: 11px;
  letter-spacing: 2px;
  padding: 0;
  text-decoration: none;
  text-transform: uppercase;
  transition: color 0.15s ease;
}
button.link:hover:not(:disabled),
a.link:hover { color: var(--white); }
button.link:disabled { color: var(--dim); cursor: not-allowed; }

.resend {
  display: block;
  margin: 18px auto 0;
  text-align: center;
}

/* ---------- Messages ---------- */
.msg {
  margin-top: 16px;
  font-family: var(--M);
  font-size: 11px;
  letter-spacing: 1px;
  text-align: center;
  min-height: 16px;
  text-transform: uppercase;
}

.msg.error   { color: var(--white); }
.msg.error::before  { content: "⚠ "; color: var(--white); }
.msg.success { color: var(--white); }
.msg.success::before { content: "✓ "; }
.msg.info    { color: var(--silver); }

/* ---------- Gender cards ---------- */
.gender {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin: 24px 0 0;
  padding: 0;
  border: none;
}

.gender legend {
  font-family: var(--M);
  font-size: 10px;
  letter-spacing: 2.5px;
  color: var(--silver);
  text-transform: uppercase;
  margin-bottom: 10px;
  padding: 0;
}

.gender-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 22px 12px 18px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line);
  cursor: crosshair;
  transition: background 0.18s ease, border-color 0.18s ease;
  overflow: hidden;
}

.gender-card::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0px,
    transparent 5px,
    rgba(255, 255, 255, 0.02) 5px,
    rgba(255, 255, 255, 0.02) 6px
  );
}

.gender-card:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.25);
}

.gender-card input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.gender-card:has(input:checked) {
  background: var(--white);
  border-color: var(--white);
}
.gender-card:has(input:checked) .gender-letter,
.gender-card:has(input:checked) .gender-label { color: var(--black); }
.gender-card:has(input:checked)::after {
  background: repeating-linear-gradient(
    to bottom,
    transparent 0px,
    transparent 5px,
    rgba(0, 0, 0, 0.04) 5px,
    rgba(0, 0, 0, 0.04) 6px
  );
}

.gender-letter {
  font-family: var(--D);
  font-size: 64px;
  letter-spacing: -2px;
  line-height: 1;
  color: var(--white);
  transition: color 0.18s ease;
}

.gender-label {
  font-family: var(--M);
  font-size: 11px;
  letter-spacing: 3px;
  color: var(--silver);
  text-transform: uppercase;
  transition: color 0.18s ease;
}

/* ---------- Success loader ---------- */
.loader {
  position: relative;
  height: 4px;
  margin: 24px 0;
  background: rgba(255, 255, 255, 0.06);
  overflow: hidden;
}
.loader-bar {
  position: absolute;
  inset: 0 auto 0 0;
  width: 35%;
  background: var(--white);
  animation: load 1.4s ease-in-out infinite;
}
@keyframes load {
  0%   { transform: translateX(-100%); }
  100% { transform: translateX(380%);  }
}

/* ---------- Legal ---------- */
.legal {
  margin-top: 28px;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
  font-family: var(--M);
  font-size: 9px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--dim);
  text-align: center;
  line-height: 1.7;
}
.legal-sep { margin: 0 6px; color: var(--line); }

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  .ribbon-dot, .loader-bar { animation: none; }
}

/* ---------- Mobile tuning ---------- */
@media (max-width: 480px) {
  .nav { padding: 18px 18px; }
  .n-logo { font-size: 18px; letter-spacing: 4px; }
  .n-date { font-size: 9px; letter-spacing: 1.5px; }

  .stage { padding: 100px 14px 40px; }
  .frame { padding: 26px 20px 22px; }

  .nude-word  { font-size: clamp(60px, 19vw, 100px); }
  .verse-word { font-size: clamp(28px, 9vw, 48px);  }

  #otp-input  { font-size: 30px; letter-spacing: 10px; padding-left: 10px; }
  #otp-input::placeholder { font-size: 20px; letter-spacing: 5px; }

  .gender-letter { font-size: 52px; }
}

@media (max-width: 360px) {
  .ribbon-id { display: none; }
}