@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=DM+Sans:wght@300;400;500;600;700&display=swap');

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

:root {
  --bg:     #0a0e1a;
  --panel:  rgba(255,255,255,0.05);
  --border: rgba(255,255,255,0.08);
  --text:   #f0f4ff;
  --muted:  #7a8ab0;
  --accent: #f59e0b;
  --accent2:#fbbf24;
  --danger: #ef4444;
  --success:#22c55e;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', system-ui, sans-serif;
  background: var(--bg); color: var(--text);
  min-height: 100vh;
  display: flex; align-items: flex-start; justify-content: center;
  padding: 32px 16px 60px;
  -webkit-font-smoothing: antialiased;
  position: relative; overflow-x: hidden;
}

body::before {
  content: ''; position: fixed; top: -120px; right: -80px;
  width: 400px; height: 400px; border-radius: 50%;
  background: radial-gradient(circle,rgba(245,158,11,0.08),transparent 70%);
  pointer-events: none;
}
body::after {
  content: ''; position: fixed; bottom: -100px; left: -60px;
  width: 300px; height: 300px; border-radius: 50%;
  background: radial-gradient(circle,rgba(99,102,241,0.06),transparent 70%);
  pointer-events: none;
}

.signup-wrap {
  width: 100%; max-width: 480px;
  position: relative; z-index: 1;
  animation: riseUp 0.5s ease;
  display: flex; flex-direction: column; gap: 20px;
}

@keyframes riseUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

.back-link {
  color: var(--muted); text-decoration: none;
  font-size: 14px; font-weight: 600;
  display: inline-flex; align-items: center; gap: 6px;
  transition: color 0.2s;
}
.back-link:hover { color: var(--text); }

.signup-brand { text-align: center; }
.signup-brand .logo { font-size: 44px; display: block; margin-bottom: 10px; filter: drop-shadow(0 0 20px rgba(245,158,11,0.3)); }
.signup-brand h1 { font-family: 'Syne',sans-serif; font-size: 26px; font-weight: 800; letter-spacing: -0.5px; background: linear-gradient(135deg,#fff 0%,var(--accent2) 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; margin-bottom: 6px; }
.signup-brand p  { color: var(--muted); font-size: 14px; font-weight: 500; }

.signup-card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 24px; padding: 28px 24px;
  box-shadow: 0 4px 32px rgba(0,0,0,0.3);
  position: relative; overflow: hidden;
}
.signup-card::before { content:''; position: absolute; top: 0; left: 0; right: 0; height: 1px; background: linear-gradient(90deg,transparent,var(--accent),transparent); opacity: 0.5; }

.signup-form { display: flex; flex-direction: column; gap: 16px; }

.form-section-label { font-size: 11px; font-weight: 800; color: var(--accent); text-transform: uppercase; letter-spacing: 1px; }
.form-divider       { height: 1px; background: linear-gradient(90deg,transparent,var(--border),transparent); margin: 4px 0; }

.field-group { display: flex; flex-direction: column; gap: 7px; }
.field-group label { font-size: 12px; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: 0.7px; display: flex; align-items: center; gap: 6px; }
.optional { font-size: 10px; font-weight: 500; color: var(--muted); opacity: 0.7; text-transform: none; letter-spacing: 0; }
.field-hint { font-size: 11px; color: var(--muted); font-weight: 500; opacity: 0.8; }

.field-group input {
  width: 100%; padding: 13px 16px; border-radius: 12px;
  border: 1px solid var(--border); background: rgba(0,0,0,0.25);
  color: var(--text); font-family: 'DM Sans',sans-serif;
  font-size: 15px; font-weight: 500; outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.field-group input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(245,158,11,0.1); background: rgba(0,0,0,0.3); }
.field-group input::placeholder { color: var(--muted); opacity: 0.5; }
.field-group input.error { border-color: rgba(239,68,68,0.5); box-shadow: 0 0 0 3px rgba(239,68,68,0.08); }

.slug-wrap { display: flex; align-items: center; border: 1px solid var(--border); border-radius: 12px; overflow: hidden; background: rgba(0,0,0,0.25); transition: border-color 0.2s,box-shadow 0.2s; }
.slug-wrap:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(245,158,11,0.1); }
.slug-prefix { padding: 13px 12px 13px 16px; font-size: 14px; font-weight: 600; color: var(--muted); white-space: nowrap; border-right: 1px solid var(--border); background: rgba(255,255,255,0.03); }
.slug-wrap input { border: none !important; border-radius: 0 !important; background: transparent !important; box-shadow: none !important; flex: 1; padding: 13px 16px; }
.slug-wrap input:focus { box-shadow: none !important; }

.password-wrap { position: relative; }
.password-wrap input { padding-right: 48px; }
.toggle-pw { position: absolute; right: 14px; top: 50%; transform: translateY(-50%); background: none; border: none; cursor: pointer; font-size: 16px; opacity: 0.5; transition: opacity 0.15s; padding: 4px; }
.toggle-pw:hover { opacity: 1; }

.signup-error   { font-size: 13px; color: var(--danger); font-weight: 600; min-height: 18px; padding: 8px 12px; background: rgba(239,68,68,0.08); border: 1px solid rgba(239,68,68,0.2); border-radius: 10px; display: none; }
.signup-error.show { display: block; }
.signup-success { font-size: 13px; color: var(--success); font-weight: 600; padding: 12px 14px; background: rgba(34,197,94,0.08); border: 1px solid rgba(34,197,94,0.25); border-radius: 10px; line-height: 1.5; }

.signup-btn { width: 100%; padding: 15px; border-radius: 14px; border: none; background: linear-gradient(135deg,var(--accent),var(--accent2)); color: #0a0e1a; font-family: 'DM Sans',sans-serif; font-size: 15px; font-weight: 800; cursor: pointer; transition: all 0.2s ease; display: flex; align-items: center; justify-content: center; gap: 10px; box-shadow: 0 4px 20px rgba(245,158,11,0.3); letter-spacing: 0.2px; margin-top: 4px; }
.signup-btn:hover  { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(245,158,11,0.35); }
.signup-btn:active { transform: scale(0.98); }
.signup-btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.spinner { width: 16px; height: 16px; border: 2px solid rgba(10,14,26,0.3); border-top-color: #0a0e1a; border-radius: 50%; animation: spin 0.7s linear infinite; }
.hidden { display: none; }
@keyframes spin { to { transform: rotate(360deg); } }

.signup-footer { text-align: center; color: var(--muted); font-size: 14px; font-weight: 500; }
.signup-footer a { color: var(--accent); text-decoration: none; font-weight: 700; transition: opacity 0.15s; }
.signup-footer a:hover { opacity: 0.8; text-decoration: underline; }