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

:root {
  --bg:        #0c0e14;
  --bg-2:      #11141d;
  --surface:   #13161f;
  --card:      #181c28;
  --border:    #252a3a;
  --border2:   #2e344a;
  --text:      #d4d8ec;
  --muted:     #636882;
  --accent:    #5b8ef0;
  --accent-h:  #7aaaf7;
  --bull:      #22c55e;
  --loss:      #ef4444;
  --premium:   #e0a83d;
  --radius:    12px;
}

body.light {
  --bg:        #f4f5f8;
  --bg-2:      #ffffff;
  --surface:   #ffffff;
  --card:      #ffffff;
  --border:    #e3e6ee;
  --border2:   #d2d7e3;
  --text:      #1a1d28;
  --muted:     #6b7186;
  --accent:    #3f6fd6;
  --accent-h:  #2f5cc0;
}

html, body { min-height: 100%; }

body {
  background: radial-gradient(1100px 650px at 50% -8%, var(--bg-2), var(--bg) 60%);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  line-height: 1.6;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 32px 20px;
  -webkit-font-smoothing: antialiased;
}

.auth-logo {
  display: block;
  height: 74px;
  width: auto;
  margin: 0 auto 26px;
  filter: invert(1);
  mix-blend-mode: lighten;
}
body.light .auth-logo { filter: none; mix-blend-mode: multiply; }

.auth-logo-fallback {
  display: none;
  font-size: 26px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-align: center;
  margin: 0 auto 22px;
}

.auth-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 34px 32px;
  width: 100%;
  max-width: 408px;
  box-shadow: 0 18px 50px rgba(0,0,0,0.30);
}
body.light .auth-card { box-shadow: 0 18px 50px rgba(20,23,31,0.08); }

.auth-title {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.01em;
  text-align: center;
  margin-bottom: 6px;
}

.auth-sub {
  font-size: 13.5px;
  color: var(--muted);
  text-align: center;
  margin-bottom: 26px;
}

.field { margin-bottom: 16px; }

.field label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 7px;
  letter-spacing: 0.02em;
}

.field input {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border2);
  border-radius: 9px;
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  padding: 12px 14px;
  outline: none;
  transition: border-color 0.15s ease;
}
.field input:focus { border-color: var(--accent); }
.field input::placeholder { color: var(--muted); }

.btn {
  width: 100%;
  padding: 13px;
  font-size: 14.5px;
  font-weight: 700;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.15s ease;
  text-decoration: none;
  display: block;
  text-align: center;
}

.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-h); transform: translateY(-1px); }

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border2);
  margin-top: 12px;
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

.btn-free {
  background: transparent;
  color: var(--bull);
  border: 1.5px solid var(--bull);
}
.btn-free:hover { background: rgba(34,197,94,0.10); }

.divider-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 22px 0;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.divider-row::before, .divider-row::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.auth-links {
  text-align: center;
  margin-top: 20px;
  font-size: 13px;
  color: var(--muted);
}
.auth-links a { color: var(--accent); text-decoration: none; font-weight: 600; }
.auth-links a:hover { text-decoration: underline; }

/* "Remember this device" checkbox row */
.remember-row {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 2px 0 18px;
  font-size: 13px;
  color: var(--muted);
  cursor: pointer;
  user-select: none;
}
.remember-row input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
  cursor: pointer;
}

/* Terms acceptance row: multi-line text, so anchor the box to the first line. */
.terms-row {
  align-items: flex-start;
  line-height: 1.5;
  margin: 2px 0 20px;
}
.terms-row input[type="checkbox"] {
  margin-top: 2px;
  flex-shrink: 0;
}
.terms-row a,
.consent-note a {
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
}
.terms-row a:hover,
.consent-note a:hover { text-decoration: underline; }

/* Passive consent notice under the Sign-in button. */
.consent-note {
  margin-top: 14px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--muted);
  text-align: center;
}

/* Verification code input — big, spaced digits */
.code-input {
  letter-spacing: 0.5em;
  text-align: center;
  font-size: 22px !important;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

/* Plain link button (resend code) */
.link-btn {
  background: none;
  border: none;
  color: var(--accent);
  font-weight: 600;
  font-size: 13px;
  cursor: pointer;
  padding: 0;
  font-family: inherit;
}
.link-btn:hover { text-decoration: underline; }

.auth-foot-link {
  display: block;
  text-align: center;
  margin-top: 14px;
  font-size: 12.5px;
  color: var(--muted);
  text-decoration: none;
}
.auth-foot-link:hover { color: var(--text); }

.alert {
  border-radius: 9px;
  padding: 11px 14px;
  font-size: 13px;
  margin-bottom: 20px;
  border: 1px solid transparent;
}
.alert-error {
  background: rgba(239,68,68,0.10);
  border-color: rgba(239,68,68,0.32);
  color: #fca5a5;
}
body.light .alert-error { background: rgba(239,68,68,0.07); color: #b91c1c; }

.alert-ok {
  background: rgba(34,197,94,0.10);
  border-color: rgba(34,197,94,0.32);
  color: #86efac;
}
body.light .alert-ok { background: rgba(34,197,94,0.08); color: #15803d; }

.alert-info {
  background: rgba(91,142,240,0.10);
  border-color: rgba(91,142,240,0.30);
  color: var(--accent-h);
}

.back-home {
  position: fixed;
  top: 22px; left: 24px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--muted);
  text-decoration: none;
  border: 1px solid var(--border2);
  padding: 7px 15px;
  border-radius: 18px;
  transition: all 0.15s ease;
  background: var(--card);
}
.back-home:hover { color: var(--text); border-color: var(--accent); }

.legal {
  font-size: 11px;
  color: var(--muted);
  text-align: center;
  margin-top: 26px;
  letter-spacing: 0.03em;
  opacity: 0.7;
}

/* ── fecha de nacimiento: tres selectores (mes con NOMBRE) ──
   El orden del DOM es el de USA; con la clase `dmy` (es/fr/pt) el día pasa
   delante vía `order`, sin duplicar el HTML. */
.dob-row { display: flex; gap: 8px; }
.dob-row select {
  background: var(--surface);
  border: 1px solid var(--border2);
  border-radius: 9px;
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  padding: 12px 10px;
  outline: none;
  transition: border-color 0.15s ease;
  min-width: 0;
}
.dob-row select:focus { border-color: var(--accent); }
.dob-row .dob-m { flex: 1.6; order: 1; }
.dob-row .dob-d { flex: 0.9; order: 2; }
.dob-row .dob-y { flex: 1.1; order: 3; }
.dob-row.dmy .dob-d { order: 1; }
.dob-row.dmy .dob-m { order: 2; }