/* SimpleAccount - Modern Login & Registration */
:root {
    --sa-primary: #1a1a2e;
    --sa-accent: #e94560;
    --sa-accent-hover: #c73e54;
    --sa-success: #10b981;
    --sa-warning: #f59e0b;
    --sa-error: #ef4444;
    --sa-text: #1f2937;
    --sa-text-light: #6b7280;
    --sa-border: #e5e7eb;
    --sa-bg: #f9fafb;
    --sa-white: #ffffff;
    --sa-radius: 12px;
    --sa-shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
}

* { box-sizing: border-box; }

body { margin: 0; font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; font-size: 15px; color: var(--sa-text); background: var(--sa-bg); line-height: 1.5; }

.simple-account-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px; background: linear-gradient(135deg, #f5f7fa 0%, #e4e8ec 100%); }

.account-wrapper { display: grid; grid-template-columns: 1fr 380px; max-width: 960px; width: 100%; background: var(--sa-white); border-radius: var(--sa-radius); box-shadow: var(--sa-shadow); overflow: hidden; }
.account-wrapper-wide { grid-template-columns: 1fr; max-width: 580px; }

.account-form-side { padding: 48px; }
.account-form-container { max-width: 380px; margin: 0 auto; }
.account-form-container-wide { max-width: 100%; }

.account-logo { display: block; font-size: 26px; font-weight: 800; color: var(--sa-primary); text-decoration: none; margin-bottom: 32px; }
.account-title { margin: 0 0 8px; font-size: 28px; font-weight: 700; color: var(--sa-primary); }
.account-subtitle { margin: 0 0 28px; color: var(--sa-text-light); }

/* Progress Steps */
.register-steps { display: flex; justify-content: space-between; margin-bottom: 28px; padding: 0 10px; }
.register-steps .step { display: flex; flex-direction: column; align-items: center; gap: 6px; opacity: 0.4; transition: 0.2s; }
.register-steps .step.active, .register-steps .step.completed { opacity: 1; }
.step-number { width: 32px; height: 32px; background: var(--sa-border); color: var(--sa-text-light); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 600; font-size: 14px; transition: 0.2s; }
.step.active .step-number { background: var(--sa-accent); color: white; }
.step.completed .step-number { background: var(--sa-success); color: white; }
.step-label { font-size: 11px; font-weight: 500; color: var(--sa-text-light); }

/* Form */
.account-form { margin-bottom: 24px; }
.form-step { display: none; animation: fadeIn 0.3s ease; }
.form-step.active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

.step-title { margin: 0 0 20px; font-size: 18px; font-weight: 600; color: var(--sa-primary); }
.step-subtitle { margin: -12px 0 20px; font-size: 14px; color: var(--sa-text-light); }
.form-title { margin: 0 0 8px; font-size: 20px; font-weight: 600; }
.form-subtitle { margin: 0 0 20px; color: var(--sa-text-light); font-size: 14px; }

.form-group { margin-bottom: 18px; }
.form-group label { display: flex; justify-content: space-between; align-items: center; margin-bottom: 6px; font-weight: 500; font-size: 14px; }
.label-link { font-size: 13px; color: var(--sa-accent); text-decoration: none; }
.label-link:hover { text-decoration: underline; }

.input-wrapper { position: relative; display: flex; align-items: center; }
.input-icon { position: absolute; left: 12px; font-size: 16px; opacity: 0.5; pointer-events: none; }
.input-status { position: absolute; right: 12px; font-size: 16px; }

.form-group input, .form-group select { width: 100%; padding: 12px 14px; border: 2px solid var(--sa-border); border-radius: 8px; font-size: 15px; transition: 0.2s; background: var(--sa-white); }
.form-group input:focus, .form-group select:focus { outline: none; border-color: var(--sa-accent); box-shadow: 0 0 0 3px rgba(233, 69, 96, 0.1); }
.input-wrapper input { padding-left: 40px; }
.form-group input.error { border-color: var(--sa-error); background: #fef2f2; }
.form-group input.success { border-color: var(--sa-success); }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-row-3 { grid-template-columns: 100px 1fr; }
.form-group-wide { grid-column: span 1; }

.toggle-password { position: absolute; right: 10px; background: none; border: none; cursor: pointer; padding: 4px; opacity: 0.5; font-size: 16px; }
.toggle-password:hover { opacity: 1; }

.field-hint { display: block; margin-top: 4px; font-size: 12px; color: var(--sa-text-light); }
.field-message { display: block; margin-top: 4px; font-size: 13px; min-height: 18px; }
.field-message.error { color: var(--sa-error); }
.field-message.success { color: var(--sa-success); }

/* Password Strength */
.password-strength { margin-top: 10px; }
.strength-bar { height: 4px; background: var(--sa-border); border-radius: 2px; overflow: hidden; margin-bottom: 6px; }
.strength-fill { height: 100%; width: 0; border-radius: 2px; transition: 0.3s; }
.strength-fill.weak { width: 33%; background: var(--sa-error); }
.strength-fill.medium { width: 66%; background: var(--sa-warning); }
.strength-fill.strong { width: 100%; background: var(--sa-success); }
.strength-text { font-size: 12px; font-weight: 500; }
.strength-text.weak { color: var(--sa-error); }
.strength-text.medium { color: var(--sa-warning); }
.strength-text.strong { color: var(--sa-success); }

.password-requirements { list-style: none; padding: 0; margin: 12px 0 0; display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.password-requirements li { font-size: 12px; color: var(--sa-text-light); display: flex; align-items: center; gap: 6px; transition: 0.2s; }
.password-requirements li.valid { color: var(--sa-success); }
.password-requirements li.valid .req-icon::before { content: '✓'; }
.req-icon::before { content: '○'; }

/* Checkboxes */
.checkbox-label { display: flex; align-items: flex-start; gap: 10px; cursor: pointer; font-size: 14px; margin-bottom: 12px; }
.checkbox-label input { display: none; }
.checkbox-box { width: 20px; height: 20px; border: 2px solid var(--sa-border); border-radius: 4px; flex-shrink: 0; position: relative; transition: 0.2s; margin-top: 2px; }
.checkbox-label input:checked + .checkbox-box { background: var(--sa-accent); border-color: var(--sa-accent); }
.checkbox-label input:checked + .checkbox-box::after { content: '✓'; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); color: white; font-size: 12px; font-weight: bold; }
.checkbox-text { line-height: 1.4; }
.checkbox-text strong { display: block; }
.checkbox-text small { display: block; color: var(--sa-text-light); font-size: 12px; margin-top: 2px; }
.checkbox-text a { color: var(--sa-accent); }
.checkbox-toggle { padding: 14px; background: var(--sa-bg); border-radius: 8px; margin-bottom: 14px; }

.address-fields { animation: fadeIn 0.3s ease; }

/* Form Message */
.form-message { padding: 12px 14px; border-radius: 8px; margin-bottom: 16px; font-size: 14px; display: none; }
.form-message.show { display: flex; align-items: center; gap: 8px; }
.form-message.error { background: #fef2f2; color: var(--sa-error); border: 1px solid #fecaca; }
.form-message.success { background: #f0fdf4; color: var(--sa-success); border: 1px solid #bbf7d0; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 22px; border-radius: 8px; font-size: 15px; font-weight: 600; cursor: pointer; transition: 0.2s; border: 2px solid transparent; text-decoration: none; }
.btn-block { width: 100%; }
.btn-lg { padding: 14px 26px; font-size: 16px; }
.btn-primary { background: var(--sa-accent); color: white; border-color: var(--sa-accent); }
.btn-primary:hover { background: var(--sa-accent-hover); border-color: var(--sa-accent-hover); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(233, 69, 96, 0.3); }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; transform: none; box-shadow: none; }
.btn-outline { background: transparent; color: var(--sa-text); border-color: var(--sa-border); }
.btn-outline:hover { background: var(--sa-bg); border-color: var(--sa-text-light); }
.btn-back { background: none; border: none; color: var(--sa-text-light); cursor: pointer; padding: 0; font-size: 14px; margin-bottom: 16px; }
.btn-back:hover { color: var(--sa-text); }

.btn-text { display: inline; }
.btn-loading { display: none; align-items: center; gap: 8px; }
.btn.loading .btn-text { display: none; }
.btn.loading .btn-loading { display: flex; }

.spinner { width: 16px; height: 16px; border: 2px solid currentColor; border-top-color: transparent; border-radius: 50%; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.form-navigation { display: flex; gap: 12px; margin-top: 28px; }
.form-navigation .btn-primary { flex: 1; }

/* Divider */
.account-divider { display: flex; align-items: center; margin: 28px 0; color: var(--sa-text-light); font-size: 13px; }
.account-divider::before, .account-divider::after { content: ''; flex: 1; height: 1px; background: var(--sa-border); }
.account-divider span { padding: 0 14px; }

.account-alternate { text-align: center; }
.account-alternate p { margin: 0 0 12px; color: var(--sa-text-light); }

/* Benefits Side */
.account-benefits-side { background: var(--sa-primary); padding: 48px; display: flex; align-items: center; }
.benefits-content { color: white; }
.benefits-content h2 { margin: 0 0 28px; font-size: 22px; font-weight: 600; }
.benefits-list { list-style: none; padding: 0; margin: 0; }
.benefits-list li { display: flex; gap: 14px; padding: 16px 0; border-bottom: 1px solid rgba(255,255,255,0.1); }
.benefits-list li:last-child { border-bottom: none; }
.benefit-icon { font-size: 24px; }
.benefits-list li div strong { display: block; font-size: 15px; margin-bottom: 2px; }
.benefits-list li div span { font-size: 13px; opacity: 0.8; }

/* Responsive */
@media (max-width: 768px) {
    .account-wrapper { grid-template-columns: 1fr; }
    .account-benefits-side { display: none; }
    .account-form-side { padding: 32px 24px; }
    .form-row { grid-template-columns: 1fr; }
    .password-requirements { grid-template-columns: 1fr; }
    .register-steps .step-label { display: none; }
}