:root { 
    --sbf-primary-color: #0052FF; 
    --sbf-primary-hover: #0036A8;
    --sbf-secondary-color: #F0F2F5;
    --sbf-secondary-hover: #E4E6E9;
    --sbf-bg-color: #FFFFFF; 
    --sbf-text-color: #1C1E21; 
    --sbf-text-light: #65676B;
    --sbf-border-color: #CED0D4;
    --sbf-success-color: #31A24C;
    --sbf-error-color: #FA383E;
    --sbf-font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

/* --- Main Container --- */
#sbf-multistep-form-container { 
    display: grid;
    grid-template-columns: 1fr;
    gap: 2em; 
    max-width: 1024px; 
    margin: 2em auto; 
    font-family: var(--sbf-font-family);
}
@media (min-width: 960px) {
    #sbf-multistep-form-container {
        grid-template-columns: 1fr 340px;
    }
}

#sbf-form-steps { 
    background: var(--sbf-bg-color);
    border: 1px solid var(--sbf-border-color);
    border-radius: 12px;
    padding: 2em;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

/* --- Cart Summary --- */
#sbf-cart-summary { 
    background: var(--sbf-secondary-color);
    border-radius: 12px;
    padding: 1.5em;
    height: fit-content;
}
@media (min-width: 960px) {
    #sbf-cart-summary {
        position: sticky;
        top: 2em;
    }
}
#sbf-cart-summary h3 { margin-top: 0; color: var(--sbf-text-color); }
.sbf-cart-item { 
    font-size: 0.9em;
    padding: 0.8em 0;
    border-bottom: 1px solid var(--sbf-border-color);
    display: flex; 
    justify-content: space-between; 
    align-items: center;
    color: var(--sbf-text-light);
}
 .sbf-cart-item:last-child { border-bottom: none; }
.sbf-empty-cart-message { color: var(--sbf-text-light); padding: 2em 0; text-align: center; }
#sbf-cart-totals { 
    margin-top: 1em; 
    padding-top: 1em; 
    border-top: 2px solid var(--sbf-border-color);
}
.sbf-totals-row { margin: 0.5em 0; display: flex; justify-content: space-between; align-items: center; }
.sbf-discount-line { color: var(--sbf-success-color); display: none; }
.sbf-total-price { font-size: 1.25em; font-weight: bold; }

/* --- Promo Code --- */
#sbf-promo-area { margin-top: 1.5em; }
#sbf-promo-area label { font-weight: bold; font-size: 0.9em; color: var(--sbf-text-light); }
.sbf-promo-input-group { display: flex; gap: 5px; margin-top: 5px; }
#sbf-promo-code-input { flex: 1; border: 1px solid var(--sbf-border-color); border-radius: 8px; padding: 0.7em; }
#sbf-promo-code-input:focus { border-color: var(--sbf-primary-color); box-shadow: 0 0 0 2px rgba(0, 82, 255, 0.2); outline: none; }
#sbf-promo-applied { background-color: #e7f3ff; color: #0052ff; border-radius: 20px; padding: 5px 12px; font-size: 0.9em; display: flex; justify-content: space-between; align-items: center; margin-top: 10px; }
#sbf-remove-promo-button { background: none; border: none; color: #0052ff; cursor: pointer; font-size: 1.2em; line-height: 1; padding: 0 0 0 10px;}

/* --- Progress Bar --- */
.sbf-progress-bar { display: flex; justify-content: space-between; margin-bottom: 2.5em; position: relative; }
.sbf-progress-bar::before { content: ''; position: absolute; top: 50%; left: 0; transform: translateY(-50%); height: 3px; width: 100%; background-color: var(--sbf-secondary-color); z-index: 1; }
.sbf-progress-bar-line { position: absolute; top: 50%; left: 0; transform: translateY(-50%); height: 3px; background-color: var(--sbf-primary-color); z-index: 2; transition: width 0.4s ease; }
.sbf-progress-step { display: flex; flex-direction: column; align-items: center; z-index: 3; text-align:center; }
.sbf-step-icon { width: 40px; height: 40px; border-radius: 50%; background-color: var(--sbf-secondary-color); color: var(--sbf-text-light); display: flex; align-items: center; justify-content: center; font-weight: bold; transition: all 0.4s ease; border: 3px solid var(--sbf-secondary-color); }
.sbf-progress-step.active .sbf-step-icon { background-color: #fff; border-color: var(--sbf-primary-color); color: var(--sbf-primary-color); }
.sbf-progress-step.completed .sbf-step-icon { background-color: var(--sbf-primary-color); border-color: var(--sbf-primary-color); color: #fff; }
.sbf-step-label { font-size: 0.8em; color: var(--sbf-text-light); margin-top: 0.5em; }
.sbf-progress-step.active .sbf-step-label { color: var(--sbf-primary-color); font-weight: bold; }

/* --- Steps & Navigation --- */
.sbf-step { display: none; } .sbf-step.active { display: block; animation: fadeIn 0.5s; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
.sbf-nav { margin-top: 2em; display: flex; justify-content: space-between; }
.sbf-button, .sbf-button-secondary { background-color: var(--sbf-primary-color); color:white; padding: 0.8em 1.5em; border: none; border-radius: 8px; font-weight: bold; cursor: pointer; transition: all 0.2s ease; font-size: 1em; }
.sbf-button:hover { background-color: var(--sbf-primary-hover); }
.sbf-button-secondary { background-color: var(--sbf-secondary-color); color: var(--sbf-text-color); }
.sbf-button-secondary:hover { background-color: var(--sbf-secondary-hover); }
.sbf-button:disabled { background-color: #e4e6eb; color: #bcc0c4; cursor: not-allowed; }

/* --- Service Selection --- */
#sbf-service-selection-list h3 { margin: 1.5em 0 0.5em; }
.sbf-service-option { display: flex; align-items: center; padding: 1em; border: 2px solid var(--sbf-border-color); border-radius: 8px; cursor: pointer; transition: all 0.2s ease; margin-bottom: 10px; }
.sbf-service-option:has(input:checked) { border-color: var(--sbf-primary-color); background-color: #e7f3ff; box-shadow: 0 0 0 2px var(--sbf-primary-color); }
.sbf-service-option input[type=checkbox] { display:none; }
.sbf-service-details { flex-grow: 1; }
.sbf-service-details strong { display: block; }
.sbf-service-price { font-weight: bold; }

/* --- Calendar & Time Slots --- */
.sbf-calendar-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1em; }
.sbf-calendar-header h2 { margin: 0; font-size: 1.2em; }
.sbf-calendar-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 5px; }
.sbf-calendar-weekday { text-align: center; font-weight: bold; color: var(--sbf-text-light); }
.sbf-calendar-day { text-align: center; padding: 10px 0; border-radius: 50%; cursor: pointer; transition: background-color 0.2s; }
.sbf-calendar-day:hover:not(.disabled):not(.selected) { background-color: var(--sbf-secondary-color); }
.sbf-calendar-day.selected { background-color: var(--sbf-primary-color); color: white; }
.sbf-calendar-day.disabled { color: #ccc; cursor: not-allowed; }
#sbf-time-slots-container { display: grid; grid-template-columns: repeat(auto-fill, minmax(90px, 1fr)); gap: 10px; }
.sbf-time-slot { padding: 10px; border: 1px solid var(--sbf-border-color); text-align: center; cursor: pointer; border-radius: 8px; transition: all 0.2s ease; }
.sbf-time-slot:hover:not(.selected) { border-color: var(--sbf-primary-color); color: var(--sbf-primary-color); }
.sbf-time-slot.selected { background-color: var(--sbf-primary-color); color: white; border-color: var(--sbf-primary-color); }

/* --- Form Fields --- */
.sbf-form-grid { display: grid; grid-template-columns: 1fr; gap: 1em; }
@media (min-width: 600px) { .sbf-form-grid { grid-template-columns: 1fr 1fr; } }
.sbf-field { margin-bottom: 1em; }
.sbf-field label { display: block; margin-bottom: 0.5em; font-weight: bold; }
.sbf-field input[type=text], .sbf-field input[type=email], .sbf-field input[type=tel], .sbf-field textarea {
    width: 100%;
    padding: 0.7em;
    border: 1px solid var(--sbf-border-color);
    border-radius: 8px;
    transition: all 0.2s ease;
}
.sbf-field input[type=text]:focus, .sbf-field input[type=email]:focus, .sbf-field input[type=tel]:focus, .sbf-field textarea:focus {
    border-color: var(--sbf-primary-color);
    box-shadow: 0 0 0 2px rgba(0, 82, 255, 0.2);
    outline: none;
}
.sbf-error-message { color: var(--sbf-error-color); display: none; font-size: 0.9em; margin-top: 5px; }

/* --- Loader --- */
.sbf-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--sbf-secondary-color);
    border-top-color: var(--sbf-primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 10px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* --- My Appointments & Auth Forms --- */
.sbf-my-appointments, .sbf-auth-form-wrapper, .sbf-confirmation-page { max-width: 800px; margin: 2em auto; font-family: var(--sbf-font-family); }
.sbf-appointments-section h2 { border-bottom: 2px solid var(--sbf-secondary-color); padding-bottom: 0.5em; }
.sbf-appointment-item { background: var(--sbf-bg-color); border: 1px solid var(--sbf-border-color); border-radius: 8px; padding: 1.5em; margin-bottom: 1em; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1em; box-shadow: 0 2px 4px rgba(0,0,0,0.05); }
.sbf-appointment-item-details { flex-grow: 1; }
.sbf-appointment-item-details p { margin: 5px 0 0; color: var(--sbf-text-light); }
.sbf-cancel-button { background-color: var(--sbf-error-color); }
.sbf-cancel-button:hover { background-color: #D92D33; }
.sbf-message { padding: 1em; border-radius: 8px; margin-bottom: 1em; border: 1px solid transparent; }
.sbf-message.success { background-color: #eaf7ed; color: var(--sbf-success-color); border-color: var(--sbf-success-color); }
.sbf-message.error { background-color: #fdeeee; color: var(--sbf-error-color); border-color: var(--sbf-error-color); }

.sbf-profile-form-grid { display: grid; grid-template-columns: 1fr; gap: 1em; }
@media (min-width: 600px) { .sbf-profile-form-grid { grid-template-columns: 1fr 1fr; } }
.sbf-profile-form-grid .sbf-field { margin-bottom: 0; }

.sbf-account-management { margin-top: 3em; }
.sbf-danger-zone { border: 2px solid var(--sbf-error-color); border-radius: 8px; padding: 1.5em; background: #fdeeee; }
.sbf-danger-button { background-color: var(--sbf-error-color); }
.sbf-danger-button:hover { background-color: #D92D33; }
.sbf-auth-form { max-width: 400px; margin: 2em auto; padding: 2em; border: 1px solid var(--sbf-border-color); border-radius: 12px; background: var(--sbf-bg-color); box-shadow: 0 4px 12px rgba(0,0,0,0.08); }
.sbf-auth-form .login-remember { margin-top: 1em; }
.sbf-auth-form .login-submit input, .sbf-auth-form .wp-block-button__link { width: 100%; }
.sbf-auth-form p { margin-bottom: 1em; }
.sbf-auth-form label { display: block; margin-bottom: .5em; font-weight: bold; } .sbf-auth-form input[type=text], .sbf-auth-form input[type=email], .sbf-auth-form input[type=password] { width: 100%; padding: .7em; border: 1px solid var(--sbf-border-color); border-radius: 8px; } .sbf-auth-form .sbf-button { width: 100%; }

/* --- Confirmation Page --- */
.sbf-confirmation-page { text-align: center; padding: 2em; background: var(--sbf-bg-color); border: 1px solid var(--sbf-border-color); border-radius: 12px; }
.sbf-confirmation-icon { font-size: 3em; line-height: 1; margin-bottom: 0.5em; }
.sbf-confirmation-page h1 { margin-bottom: 0.5em; }
.sbf-confirmation-summary { text-align: left; max-width: 500px; margin: 2em auto; padding: 1.5em; background: var(--sbf-secondary-color); border-radius: 8px; }
.sbf-confirmation-summary h2, .sbf-confirmation-summary h3 { text-align: center; margin-top: 0; margin-bottom: 1em; }
.sbf-summary-item { display: flex; justify-content: space-between; padding: 0.5em 0; border-bottom: 1px solid var(--sbf-border-color); }
.sbf-services-list { list-style: none; padding: 0; margin: 1em 0; }
.sbf-services-list li { display: flex; justify-content: space-between; padding: 0.5em 0; }
.sbf-summary-total { display: flex; justify-content: space-between; font-size: 1.2em; font-weight: bold; padding-top: 1em; border-top: 2px solid var(--sbf-border-color); margin-top: 1em; }