/* CFO Portal — Auth Pages */
:root {
  --bg: #0a0b0e;
  --surface: #12141a;
  --surface-2: #1a1d26;
  --border: #2a2d38;
  --text: #e2e4e9;
  --text-dim: #8b8f9a;
  --accent: #5AEBAA;
  --accent-dim: rgba(90, 235, 170, 0.1);
  --error: #ff4d4d;
  --error-dim: rgba(255, 77, 77, 0.1);
  --radius: 8px;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.auth-container {
  width: 100%;
  max-width: 420px;
  padding: 24px;
}

.auth-logo {
  text-align: center;
  margin-bottom: 32px;
}

.auth-logo h1 {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--accent);
}

.auth-logo p {
  color: var(--text-dim);
  font-size: 13px;
  margin-top: 6px;
}

.auth-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
}

.auth-card h2 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 24px;
}

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

.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-dim);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-group input {
  width: 100%;
  padding: 12px 14px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}

.form-group input:focus {
  border-color: var(--accent);
}

.form-group input::placeholder {
  color: var(--text-dim);
  opacity: 0.6;
}

.form-hint {
  font-size: 11px;
  color: var(--text-dim);
  margin-top: 4px;
}

.form-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.form-row label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-dim);
  cursor: pointer;
}

.form-row input[type="checkbox"] {
  width: auto;
  accent-color: var(--accent);
}

.btn {
  width: 100%;
  padding: 12px;
  background: var(--accent);
  color: #0a0b0e;
  border: none;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.btn:hover { opacity: 0.9; }
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-loading {
  position: relative;
  color: transparent;
}

.btn-loading::after {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  width: 18px; height: 18px;
  margin: -9px 0 0 -9px;
  border: 2px solid #0a0b0e;
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.auth-error {
  background: var(--error-dim);
  border: 1px solid var(--error);
  border-radius: var(--radius);
  padding: 10px 14px;
  font-size: 13px;
  color: var(--error);
  margin-bottom: 18px;
  display: none;
}

.auth-error.visible { display: block; }

.auth-success {
  background: var(--accent-dim);
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  padding: 10px 14px;
  font-size: 13px;
  color: var(--accent);
  margin-bottom: 18px;
  display: none;
}

.auth-success.visible { display: block; }

.auth-footer {
  text-align: center;
  margin-top: 20px;
  font-size: 13px;
  color: var(--text-dim);
}

.auth-footer a {
  color: var(--accent);
  text-decoration: none;
}

.auth-footer a:hover {
  text-decoration: underline;
}

/* 2FA specific */
.totp-input {
  text-align: center;
  font-size: 24px;
  font-weight: 600;
  letter-spacing: 8px;
  font-family: 'SF Mono', 'Fira Code', monospace;
}

.qr-container {
  text-align: center;
  margin: 16px 0;
}

.qr-container img {
  border-radius: var(--radius);
  border: 2px solid var(--border);
}

.manual-key {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px;
  font-family: monospace;
  font-size: 12px;
  word-break: break-all;
  text-align: center;
  margin: 12px 0;
  color: var(--text-dim);
  user-select: all;
}

/* Password strength */
.pw-strength {
  height: 3px;
  background: var(--border);
  border-radius: 2px;
  margin-top: 6px;
  overflow: hidden;
}

.pw-strength-bar {
  height: 100%;
  width: 0%;
  transition: width 0.3s, background 0.3s;
  border-radius: 2px;
}

.pw-weak { width: 25%; background: var(--error); }
.pw-fair { width: 50%; background: #ffa500; }
.pw-good { width: 75%; background: #90EE90; }
.pw-strong { width: 100%; background: var(--accent); }

/* Responsive */
@media (max-width: 480px) {
  .auth-container { padding: 16px; }
  .auth-card { padding: 24px 20px; }
}