:root {
  --bg-dark: #030712;
  --bg-card: #0f172a;
  --border: #334155;
  --border-focus: #60a5fa;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-light: #64748b;
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --primary-gradient: linear-gradient(135deg, #3b82f6, #8b5cf6);
  --danger-bg: rgba(239, 68, 68, 0.15);
  --danger-border: rgba(239, 68, 68, 0.35);
  --danger-text: #fca5a5;
  --success-bg: rgba(34, 197, 94, 0.15);
  --success-border: rgba(34, 197, 94, 0.35);
  --success-text: #86efac;
}

html, body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  height: auto !important;
  overflow-x: hidden;
  overflow-y: auto !important;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: radial-gradient(circle at top right, #1e1b4b 0%, #030712 55%, #090d16 100%);
  color: var(--text-main);
  box-sizing: border-box;
}

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

.auth-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
}

.auth-card {
  width: 100%;
  max-width: 440px;
  background: rgba(15, 23, 42, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 14px;
  padding: 32px 28px;
  box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.5);
}

.auth-card.wide {
  max-width: 520px;
}

.brand-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 20px;
  background: rgba(59, 130, 246, 0.15);
  border: 1px solid rgba(59, 130, 246, 0.3);
  color: #93c5fd;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 14px;
}

.brand-badge.admin {
  background: rgba(168, 85, 247, 0.15);
  border-color: rgba(168, 85, 247, 0.3);
  color: #d8b4fe;
}

.brand-title {
  font-size: 24px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand-sub {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 24px;
  line-height: 1.5;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: #cbd5e1;
  margin-bottom: 8px;
}

.form-group label .required {
  color: #ef4444;
  margin-left: 2px;
}

.form-group .form-hint {
  font-size: 12px;
  color: var(--text-light);
  margin-top: 4px;
  line-height: 1.4;
}

/* Ensure font-size >= 16px to prevent iOS auto-zoom on mobile */
.form-group input,
.form-group select {
  width: 100%;
  padding: 12px 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #020617;
  color: var(--text-main);
  font-size: 16px;
  line-height: 1.5;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  min-height: 46px;
}

.form-group select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 38px;
}

.form-group input:focus,
.form-group select:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.2);
}

.btn-submit {
  width: 100%;
  padding: 12px;
  min-height: 46px;
  border-radius: 8px;
  border: none;
  background: var(--primary-gradient);
  color: #ffffff;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.1s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 22px;
}

.btn-submit.admin {
  background: linear-gradient(135deg, #7c3aed, #2563eb);
}

.btn-submit:hover {
  opacity: 0.95;
}

.btn-submit:active {
  transform: scale(0.99);
}

.btn-submit:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

.alert {
  margin-bottom: 18px;
  padding: 12px 14px;
  border-radius: 8px;
  font-size: 13px;
  line-height: 1.5;
}

.alert-danger {
  background: var(--danger-bg);
  border: 1px solid var(--danger-border);
  color: var(--danger-text);
}

.alert-success {
  background: var(--success-bg);
  border: 1px solid var(--success-border);
  color: var(--success-text);
}

.auth-footer {
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 13px;
  color: var(--text-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.auth-footer a {
  color: #60a5fa;
  text-decoration: none;
  transition: color 0.2s;
}

.auth-footer a:hover {
  color: #93c5fd;
  text-decoration: underline;
}

@media (max-width: 480px) {
  .auth-card {
    padding: 24px 18px;
  }
}