/**
 * Registration Page Styles
 * Moderní, čistý design pro registrační stránku
 */

/* Referral code input group */
.referral-code-input-group {
    display: flex;
    gap: var(--spacing-sm);
}

.referral-code-input-group > div {
    flex: 1;
}

.referral-discount-info {
    padding: var(--spacing-md);
    background-color: #eff6ff;
    border-radius: var(--border-radius-md);
    border-left: 3px solid #3b82f6;
    margin-top: var(--spacing-sm);
}

.referral-discount-info strong {
    color: var(--color-success);
    font-weight: 600;
}

.referral-discount-info small {
    display: block;
    margin-top: var(--spacing-xs);
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.registration-page {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--color-background-alt) 0%, var(--color-background) 100%);
    padding: var(--spacing-xl) var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.registration-container {
    width: 100%;
    max-width: 500px;
    background-color: var(--color-background);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-2xl);
}

/* Header */
.registration-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.registration-logo {
    display: inline-block;
    margin-bottom: var(--spacing-lg);
    text-decoration: none;
}

.registration-logo img {
    height: 48px;
    width: auto;
}

.registration-title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.registration-subtitle {
    font-size: var(--font-size-base);
    color: var(--color-text-light);
    margin: 0;
}

/* Chybové zprávy */
.registration-error {
    background-color: #fef2f2;
    border: 1px solid #fecaca;
    color: #991b1b;
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
}

.registration-error svg {
    flex-shrink: 0;
}

/* Formulář */
.registration-form {
    width: 100%;
}

/* Sekce formuláře */
.form-section {
    border: none;
    padding: 0;
    margin: 0 0 var(--spacing-xl) 0;
}

.form-section-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-border);
    width: 100%;
}

/* Formulářové skupiny */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group-half {
    flex: 1;
}

.form-row {
    display: flex;
    gap: var(--spacing-md);
}

/* Labely */
.form-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.required {
    color: var(--color-error);
    margin-left: 2px;
}

/* Inputy */
.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-base);
    font-family: var(--font-family-base);
    color: var(--color-text);
    background-color: var(--color-background);
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-input:disabled,
.form-select:disabled {
    background-color: var(--color-background-alt);
    cursor: not-allowed;
    opacity: 0.6;
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

/* Select */
.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b7280' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--spacing-sm) center;
    padding-right: 2.5rem;
}

/* Hint text */
.form-hint {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    margin-top: var(--spacing-xs);
}

/* Chybové zprávy u polí */
.form-error {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--color-error);
    margin-top: var(--spacing-xs);
}

/* Plány předplatného */
.plan-options {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.plan-option {
    display: flex;
    align-items: center;
    padding: var(--spacing-md);
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.plan-option:hover {
    border-color: var(--color-primary);
    background-color: rgba(37, 99, 235, 0.05);
}

.plan-radio {
    margin-right: var(--spacing-md);
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.plan-option:has(.plan-radio:checked) {
    border-color: var(--color-primary);
    background-color: rgba(37, 99, 235, 0.1);
}

.plan-content {
    flex: 1;
}

.plan-name {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.plan-price {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--spacing-xs);
}

.plan-price__original {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
}

.plan-price__discounted {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
}

.plan-price__badge {
    display: inline-block;
}

.plan-period {
    font-size: var(--font-size-xs);
    color: var(--color-text-light);
}

.plan-info {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

/* Checkbox */
.form-checkbox {
    display: flex;
    align-items: flex-start;
    cursor: pointer;
}

.form-checkbox-input {
    margin-right: var(--spacing-sm);
    margin-top: 4px;
    width: 18px;
    height: 18px;
    cursor: pointer;
    flex-shrink: 0;
}

.form-checkbox-label {
    font-size: var(--font-size-sm);
    color: var(--color-text);
    line-height: var(--line-height-relaxed);
}

.form-checkbox-label a {
    color: var(--color-primary);
    text-decoration: underline;
}

.form-checkbox-label a:hover {
    color: var(--color-secondary);
}

/* Tlačítka */
.form-actions {
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    border: none;
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    font-family: var(--font-family-base);
}

.btn-primary {
    background-color: var(--color-primary);
    color: white;
}

.btn-primary:hover {
    background-color: var(--color-secondary);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

.btn-large {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-base);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Footer */
.registration-footer {
    text-align: center;
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

.registration-footer p {
    margin: 0;
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

.registration-link {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
}

.registration-link:hover {
    text-decoration: underline;
}

/* Hidden třída */
.hidden {
    display: none !important;
}

/* Loading stav pro select */
.form-select.loading {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24'%3E%3Cpath fill='%236b7280' d='M12 2v4m0 12v4M2 12h4m12 0h4m-2.343-7.657l-2.829 2.829m-9.172 9.172l-2.829 2.829m14.828 0l-2.829-2.829m-9.172-9.172l-2.829-2.829'/%3E%3C/svg%3E");
    background-size: 16px 16px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideOut {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(100%);
    }
}

/* Responsive */
@media (max-width: 768px) {
    .registration-container {
        padding: var(--spacing-xl) var(--spacing-lg);
    }
    
    .registration-title {
        font-size: var(--font-size-2xl);
    }
    
    .form-row {
        flex-direction: column;
        gap: 0;
    }
    
    .plan-option {
        padding: var(--spacing-sm) var(--spacing-md);
    }
}