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

:root {
  --black: #0a0a0f;
  --dark: #111118;
  --card: #16161f;
  --border: #2a2a3a;
  --gold: #f0b429;
  --gold-dim: #c49520;
  --green: #22c55e;
  --red: #ef4444;
  --amber: #f59e0b;
  --text: #e8e8f0;
  --muted: #7070a0;
}

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--black);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-bg {
  position: fixed; inset: 0;
  display: flex; align-items: center; justify-content: center;
  background: radial-gradient(ellipse at 20% 50%, #1a1030 0%, var(--black) 60%),
              radial-gradient(ellipse at 80% 20%, #0d1a2a 0%, transparent 50%);
}

.grid-overlay {
  position: fixed; inset: 0;
  background-image: 
    linear-gradient(rgba(240,180,41,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(240,180,41,0.04) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
}

.login-card {
  position: relative; z-index: 10;
  width: 100%; max-width: 420px;
  margin: 1.5rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2.5rem;
  box-shadow: 0 40px 80px rgba(0,0,0,0.6), 0 0 0 1px rgba(240,180,41,0.08) inset;
}

.brand { text-align: center; margin-bottom: 2rem; }

.brand-icon {
  width: 64px; height: 64px;
  background: linear-gradient(135deg, var(--gold), #e08c00);
  border-radius: 16px;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 28px; font-weight: 900; color: var(--black);
  margin-bottom: 1rem;
  box-shadow: 0 8px 24px rgba(240,180,41,0.3);
}

.brand h1 {
  font-family: 'Syne', sans-serif;
  font-size: 1.8rem; font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text);
}

.brand p { color: var(--muted); font-size: 0.85rem; margin-top: 0.3rem; }

.alert-error {
  background: rgba(239,68,68,0.1);
  border: 1px solid rgba(239,68,68,0.3);
  color: #fca5a5;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  font-size: 0.88rem;
  margin-bottom: 1.5rem;
  text-align: center;
}

.login-form { display: flex; flex-direction: column; gap: 1.2rem; }

.field { display: flex; flex-direction: column; gap: 0.4rem; }

.field label {
  font-size: 0.78rem; font-weight: 500;
  color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em;
}

.field input {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}

.field input:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(240,180,41,0.15);
}

.field input::placeholder { color: #404060; }

.btn-login {
  margin-top: 0.5rem;
  background: linear-gradient(135deg, var(--gold), var(--gold-dim));
  color: var(--black);
  border: none; border-radius: 8px;
  padding: 0.9rem 1.5rem;
  font-family: 'Syne', sans-serif;
  font-size: 0.95rem; font-weight: 700;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s, opacity 0.15s;
  box-shadow: 0 4px 16px rgba(240,180,41,0.3);
}

.btn-login:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(240,180,41,0.4);
}

.btn-login:active { transform: translateY(0); }

.login-hint {
  text-align: center; margin-top: 1.5rem;
  font-size: 0.8rem; color: #404060;
}
.login-hint b { color: var(--muted); }