/* ============================================================
   GOLDEN ARK SYSTEMS · AUTH PAGE STYLING
   Login / Signup / Forgot / Reset / Unauthorized
   Inherits design tokens from /assets/css/tokens.css
   ============================================================ */

.auth-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-5);
  position: relative;
  overflow: hidden;
}

.auth-shell::before {
  content: '';
  position: fixed;
  top: -200px; right: -200px;
  width: 700px; height: 700px;
  background: radial-gradient(circle, var(--gold-dim) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}

.auth-card {
  position: relative;
  z-index: 1;
  background: var(--dark-2);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: var(--space-8) var(--space-7);
  max-width: 480px;
  width: 100%;
  box-shadow: var(--shadow-3);
}
.auth-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--green), var(--gold));
  border-top-left-radius: var(--radius-lg);
  border-top-right-radius: var(--radius-lg);
}

.auth-brand {
  font-family: var(--font-title);
  font-size: 32px;
  letter-spacing: 4px;
  color: var(--gold);
  text-shadow: 0 0 24px var(--gold-glow);
  margin-bottom: var(--space-2);
}
.auth-sup {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 3px;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: var(--space-6);
}

.auth-title {
  font-family: var(--font-title);
  font-size: 36px;
  letter-spacing: 2px;
  color: var(--text);
  margin-bottom: var(--space-3);
}
.auth-lead {
  color: var(--text-dim);
  font-size: 15px;
  line-height: 1.6;
  margin-bottom: var(--space-6);
}

.auth-field {
  display: flex; flex-direction: column; gap: var(--space-2);
  margin-bottom: var(--space-4);
}
.auth-field label {
  font-family: var(--font-mono);
  font-size: 9px; letter-spacing: 2px;
  color: var(--text-muted); text-transform: uppercase;
}
.auth-field input {
  background: var(--dark-1);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 15px;
  transition: all var(--dur-fast) var(--ease);
}
.auth-field input:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 16px var(--gold-dim);
}

.auth-toggle {
  display: flex; gap: var(--space-2);
  background: var(--dark-1);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: 4px;
  margin-bottom: var(--space-5);
}
.auth-toggle button {
  flex: 1;
  font-family: var(--font-mono);
  font-size: 10px; letter-spacing: 1.5px;
  padding: 10px;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  cursor: pointer;
  text-transform: uppercase;
  transition: all var(--dur-fast) var(--ease);
}
.auth-toggle button.is-active {
  background: var(--gold);
  color: var(--dark-1);
  font-weight: 700;
}

.auth-btn {
  width: 100%;
  font-family: var(--font-mono);
  font-size: 12px; letter-spacing: 2px;
  padding: 16px 24px;
  background: var(--gold);
  color: var(--dark-1);
  border: none;
  border-radius: var(--radius-md);
  font-weight: 700;
  cursor: pointer;
  text-transform: uppercase;
  transition: all var(--dur-fast) var(--ease);
}
.auth-btn:hover {
  box-shadow: 0 0 24px var(--gold-glow);
  transform: translateY(-1px);
}
.auth-btn:disabled {
  opacity: 0.5; cursor: wait;
}

.auth-btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border-soft);
}
.auth-btn-ghost:hover {
  color: var(--gold);
  border-color: var(--gold);
  box-shadow: none;
  background: var(--gold-dim);
}

.auth-links {
  display: flex; justify-content: space-between;
  margin-top: var(--space-5);
  padding-top: var(--space-5);
  border-top: 1px solid var(--border-soft);
  font-family: var(--font-mono);
  font-size: 10px; letter-spacing: 1.5px;
}
.auth-links a {
  color: var(--text-muted);
  text-transform: uppercase;
  transition: color var(--dur-fast) var(--ease);
}
.auth-links a:hover { color: var(--gold); }

.auth-message {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 1px;
  margin-bottom: var(--space-4);
  display: none;
}
.auth-message.is-shown { display: block; }
.auth-message.is-error {
  background: var(--red-dim);
  border: 1px solid var(--red);
  color: var(--red);
}
.auth-message.is-success {
  background: var(--green-dim);
  border: 1px solid var(--green);
  color: var(--green);
}
.auth-message.is-info {
  background: var(--blue-dim);
  border: 1px solid var(--blue);
  color: var(--blue);
}

.auth-loader {
  display: inline-block;
  width: 14px; height: 14px; margin-right: 8px;
  border-radius: 50%;
  border: 2px solid rgba(10,12,16,0.2); border-top-color: var(--dark-1);
  animation: gas-spin 0.8s linear infinite;
  vertical-align: middle;
}
@keyframes gas-spin { to { transform: rotate(360deg); } }