/* ====== PALETTE ====== */
:root{
  --bg: #0a0f18;
  --bg-accent-a: rgba(0, 140, 255, 0.14);
  --bg-accent-b: rgba(0, 255, 170, 0.10);

  --card-1: rgba(26, 32, 44, .92);
  --card-2: rgba(16, 22, 33, .92);
  --stroke: rgba(140,180,255,.18);

  --text: #eaf2ff;
  --muted: #a2b8d6;
  --muted-2:#6f86a5;

  --focus: #39b0ff;
  --cta-a: #39b0ff;
  --cta-b: #2ef2a5;

  --field-bg: #0c121d;
}

/* ====== PAGE BACKGROUND + faint trading grid ====== */
html, body { height: 100%; margin: 0; }
body{
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial;
  color: var(--text);
  background:
    repeating-linear-gradient(to right, rgba(255,255,255,.035) 0 1px, transparent 1px 120px),
    repeating-linear-gradient(to bottom, rgba(255,255,255,.035) 0 1px, transparent 1px 80px),
    radial-gradient(1100px 700px at 80% -10%, var(--bg-accent-a), transparent 60%),
    radial-gradient(900px 600px at -10% 20%, var(--bg-accent-b), transparent 60%),
    var(--bg);
}

/* ====== LAYOUT ====== */
.auth-page{
  min-height:100%;
  display:flex; flex-direction:column; align-items:center;
  padding:56px 16px 28px;
}

/* ====== HERO ====== */
.auth-hero{ text-align:center; margin-bottom:22px; }
.hero-badge{
  display:inline-block; font-size:12px; letter-spacing:.14em;
  color:#86d1ff; border:1px solid rgba(123,199,255,.35);
  padding:6px 12px; border-radius:999px; backdrop-filter: blur(2px);
}
.hero-title{
  margin:10px 0 4px; font-size: clamp(24px, 4.2vw, 40px); font-weight:800;
  text-shadow: 0 0 14px rgba(30,144,255,.25);
}
.hero-sub{ margin:0; color:#9fb5d1; font-size:14px; }

/* ====== CARD ====== */
.auth-card, .login-form{
  width:100%; max-width:560px;
  background: linear-gradient(180deg, var(--card-1), var(--card-2));
  border: 1px solid var(--stroke);
  border-radius: 22px;
  padding: 30px 28px 24px;
  box-shadow:
    0 28px 80px rgba(0,0,0,.60),
    0 10px 24px rgba(0,0,0,.35),
    inset 0 1px 0 rgba(255,255,255,.04);
  backdrop-filter: blur(8px);
}

/* Logo */
.logo-wrap{ display:flex; justify-content:center; margin-bottom:12px; }
.logo{
  height:64px; width:auto; max-width:120px; object-fit:contain; opacity:.98;
  filter: drop-shadow(0 8px 24px rgba(57,176,255,.18));
}

/* Heading in card */
.card-title{
  font-size: 22px; margin: 4px 0 14px; color:#d8e7ff; font-weight:700;
}

/* ====== FORM ====== */
.auth-form{ display:grid; gap:14px; }
.field-label{ font-size:13px; color:var(--muted); }
.field-input,
.auth-form input,
.login-form input{
  width:100%; height:48px;
  background: var(--field-bg);
  border:1px solid rgba(123,199,255,.22);
  border-radius: 12px;
  padding: 12px 14px; color: var(--text); font-size:15px;
  outline:none; transition: border-color .2s, box-shadow .2s, transform .05s;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.02);
}
.field-input::placeholder{ color: var(--muted-2); }
.field-input:focus,
.auth-form input:focus,
.login-form input:focus{
  border-color: var(--focus);
  box-shadow: 0 0 0 3px rgba(57,176,255,.18), 0 8px 30px rgba(57,176,255,.08);
}

/* Error */
.form-error{
  margin-top:2px; padding:10px 12px; border-radius:12px;
  background: rgba(255,77,77,.10); border:1px solid rgba(255,77,77,.35);
  color:#ff9aa0; font-size:13px;
}

/* ====== CTA ====== */
.cta-btn, #submit, .button{
  display:block; width:100%; height:52px; margin-top:8px;
  border:none; border-radius:999px; font-weight:800; letter-spacing:.02em; font-size:16px;
  color:#04121a; cursor:pointer;
  background: linear-gradient(90deg, var(--cta-a), var(--cta-b));
  box-shadow: 0 12px 40px rgba(57,176,255,.28), 0 6px 14px rgba(0,0,0,.35);
  transition: transform .08s ease, filter .2s ease, box-shadow .2s ease;
}
.cta-btn:hover, #submit:hover{ filter:brightness(1.05); box-shadow:0 14px 46px rgba(57,176,255,.34), 0 6px 16px rgba(0,0,0,.4);}
.cta-btn:active, #submit:active{ transform: translateY(1px); }

/* ====== ALT ACTION / FOOTER ====== */
.alt-action{ margin-top:14px; text-align:center; color:#8fb3d9; font-size:14px; }
.alt-link{ color:#7bc7ff; font-weight:700; margin-left:8px; text-decoration:none; }
.alt-link:hover{ text-decoration: underline; }

.auth-footer{
  margin-top:22px; display:flex; gap:10px; color:#5c7697; font-size:12px; justify-content:center;
}