/**
 * B2B Auth Styles
 * Dark mode, Shopify-inspired design
 */

/* Box sizing reset for modal */
.b2b-modal *,
.b2b-modal *::before,
.b2b-modal *::after {
    box-sizing: border-box;
}

/* CSS Variables */
:root {
    --b2b-bg-dark: #121212;
    --b2b-bg-card: #1a1a1a;
    --b2b-bg-input: #2a2a2a;
    --b2b-bg-hover: #333;
    --b2b-text-primary: #fff;
    --b2b-text-secondary: #a0a0a0;
    --b2b-text-muted: #666;
    --b2b-accent: #4f46e5;
    --b2b-accent-hover: #4338ca;
    --b2b-success: #10b981;
    --b2b-error: #ef4444;
    --b2b-border: #333;
    --b2b-border-focus: #4f46e5;
    --b2b-radius: 8px;
    --b2b-radius-lg: 12px;
    --b2b-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    --b2b-transition: 0.2s ease;
}

/* Auth Button Text (shortcode output - placed inside existing buttons) */
.b2b-auth-btn {
    font-size: inherit;
    font-weight: inherit;
    color: inherit;
    background: none;
    border: none;
    padding: 0;
    margin: 0;
    cursor: pointer;
    text-decoration: none;
}

/* Modal Overlay */
.b2b-modal {
    position: fixed;
    inset: 0;
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.b2b-modal[aria-hidden="false"] {
    opacity: 1;
    visibility: visible;
}

.b2b-modal__overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(4px);
}

/* Modal Container */
.b2b-modal__container {
    position: relative;
    width: 100%;
    max-width: 520px;
    max-height: 90vh;
    overflow-y: auto;
    background: var(--b2b-bg-dark);
    border: 1px solid var(--b2b-border);
    border-radius: var(--b2b-radius-lg);
    box-shadow: var(--b2b-shadow);
    transform: translateY(20px);
    transition: transform 0.3s ease;
}

.b2b-modal[aria-hidden="false"] .b2b-modal__container {
    transform: translateY(0);
}

/* Modal Close Button */
.b2b-modal__close {
    position: absolute;
    top: 16px;
    right: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    padding: 0;
    color: var(--b2b-text-secondary);
    background: transparent;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: background var(--b2b-transition), color var(--b2b-transition);
    z-index: 1;
}

.b2b-modal__close:hover {
    color: var(--b2b-text-primary);
    background: var(--b2b-bg-hover);
}

/* Modal Views */
.b2b-modal__view {
    padding: 48px 40px 40px;
}

.b2b-modal__title {
    margin: 0 0 8px;
    font-size: 24px;
    font-weight: 600;
    color: var(--b2b-text-primary);
}

.b2b-modal__subtitle {
    margin: 0 0 32px;
    font-size: 14px;
    color: var(--b2b-text-secondary);
    line-height: 1.5;
}

.b2b-modal__footer {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--b2b-border);
    text-align: center;
}

.b2b-modal__footer p {
    margin: 0;
    font-size: 14px;
    color: var(--b2b-text-secondary);
}

/* Form Styles */
.b2b-form__group {
    margin-bottom: 20px;
}

.b2b-form__row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.b2b-form__section-title {
    margin: 24px 0 16px;
    padding-top: 16px;
    font-size: 14px;
    font-weight: 600;
    color: var(--b2b-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-top: 1px solid var(--b2b-border);
}

.b2b-form__label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    font-weight: 500;
    color: var(--b2b-text-primary);
}

.b2b-form__input {
    width: 100%;
    padding: 12px 16px;
    font-size: 16px;
    color: var(--b2b-text-primary);
    background: var(--b2b-bg-input);
    border: 1px solid var(--b2b-border);
    border-radius: var(--b2b-radius);
    outline: none;
    transition: border-color var(--b2b-transition), box-shadow var(--b2b-transition);
}

.b2b-form__input::placeholder {
    color: var(--b2b-text-muted);
}

.b2b-form__input:focus {
    border-color: var(--b2b-border-focus);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.2);
}

.b2b-form__input--otp {
    font-size: 24px;
    font-weight: 600;
    letter-spacing: 8px;
    text-align: center;
}

.b2b-form__info {
    margin-bottom: 24px;
    padding: 16px;
    font-size: 14px;
    color: var(--b2b-text-secondary);
    background: var(--b2b-bg-card);
    border-radius: var(--b2b-radius);
}

.b2b-form__info strong {
    color: var(--b2b-text-primary);
}

.b2b-form__submit {
    width: 100%;
    padding: 14px 24px;
    font-size: 16px;
    font-weight: 500;
    color: var(--b2b-text-primary);
    background: var(--b2b-accent);
    border: none;
    border-radius: var(--b2b-radius);
    cursor: pointer;
    transition: background var(--b2b-transition), opacity var(--b2b-transition);
}

.b2b-form__submit:hover:not(:disabled) {
    background: var(--b2b-accent-hover);
}

.b2b-form__submit:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.b2b-form__link {
    display: inline;
    padding: 0;
    font-size: 14px;
    font-weight: 500;
    color: var(--b2b-accent);
    background: none;
    border: none;
    cursor: pointer;
    transition: color var(--b2b-transition);
}

.b2b-form__link:hover {
    color: var(--b2b-accent-hover);
    text-decoration: underline;
}

.b2b-form__static-value {
    margin: 0;
    padding: 12px 16px;
    font-size: 16px;
    color: var(--b2b-text-primary);
    background: var(--b2b-bg-input);
    border: 1px solid var(--b2b-border);
    border-radius: var(--b2b-radius);
}

/* Company Search */
.b2b-company-search {
    position: relative;
}

.b2b-company-search__dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    max-height: 280px;
    overflow-y: auto;
    background: var(--b2b-bg-card);
    border: 1px solid var(--b2b-border);
    border-top: none;
    border-radius: 0 0 var(--b2b-radius) var(--b2b-radius);
    box-shadow: var(--b2b-shadow);
    z-index: 100;
    display: none;
}

.b2b-company-search__dropdown.is-open {
    display: block;
}

.b2b-company-search__item {
    padding: 14px 16px;
    cursor: pointer;
    transition: background var(--b2b-transition);
    border-bottom: 1px solid var(--b2b-border);
}

.b2b-company-search__item:last-child {
    border-bottom: none;
}

.b2b-company-search__item:hover {
    background: var(--b2b-bg-hover);
}

.b2b-company-search__name {
    font-size: 14px;
    font-weight: 500;
    color: var(--b2b-text-primary);
    margin-bottom: 4px;
}

.b2b-company-search__details {
    font-size: 12px;
    color: var(--b2b-text-secondary);
}

.b2b-company-search__loading,
.b2b-company-search__empty {
    padding: 20px 16px;
    text-align: center;
    font-size: 14px;
    color: var(--b2b-text-secondary);
}

/* Company Card */
.b2b-company-card {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    padding: 20px;
    background: var(--b2b-bg-card);
    border: 1px solid var(--b2b-border);
    border-radius: var(--b2b-radius);
    margin-bottom: 24px;
}

.b2b-company-card--readonly {
    background: var(--b2b-bg-input);
}

.b2b-company-card__content {
    flex: 1;
}

.b2b-company-card__name {
    margin: 0 0 8px;
    font-size: 16px;
    font-weight: 600;
    color: var(--b2b-text-primary);
}

.b2b-company-card__address,
.b2b-company-card__org {
    margin: 0 0 4px;
    font-size: 14px;
    color: var(--b2b-text-secondary);
}

.b2b-company-card__vat {
    display: inline-block;
    margin-top: 8px;
    padding: 4px 10px;
    font-size: 12px;
    font-weight: 500;
    color: var(--b2b-text-secondary);
    background: var(--b2b-bg-hover);
    border-radius: 100px;
}

.b2b-company-card__vat--registered {
    color: var(--b2b-success);
    background: rgba(16, 185, 129, 0.1);
}

.b2b-company-card__change {
    flex-shrink: 0;
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    color: var(--b2b-accent);
    background: transparent;
    border: 1px solid var(--b2b-accent);
    border-radius: var(--b2b-radius);
    cursor: pointer;
    transition: background var(--b2b-transition), color var(--b2b-transition);
}

.b2b-company-card__change:hover {
    color: var(--b2b-text-primary);
    background: var(--b2b-accent);
}

/* Success State */
.b2b-success {
    text-align: center;
    padding: 20px 0;
}

.b2b-success__icon {
    color: var(--b2b-success);
    margin-bottom: 24px;
}

.b2b-success__title {
    margin: 0 0 12px;
    font-size: 20px;
    font-weight: 600;
    color: var(--b2b-text-primary);
}

.b2b-success__message {
    margin: 0;
    font-size: 14px;
    color: var(--b2b-text-secondary);
    line-height: 1.6;
}

.b2b-success__message strong {
    color: var(--b2b-text-primary);
}

/* Loading State */
.b2b-modal__loading {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(18, 18, 18, 0.9);
    border-radius: var(--b2b-radius-lg);
    z-index: 10;
}

.b2b-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--b2b-border);
    border-top-color: var(--b2b-accent);
    border-radius: 50%;
    animation: b2b-spin 0.8s linear infinite;
}

@keyframes b2b-spin {
    to {
        transform: rotate(360deg);
    }
}

/* Error State */
.b2b-modal__error {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 16px 40px;
    background: var(--b2b-error);
    border-radius: 0 0 var(--b2b-radius-lg) var(--b2b-radius-lg);
}

.b2b-modal__error-text {
    margin: 0;
    font-size: 14px;
    color: var(--b2b-text-primary);
    text-align: center;
}

/* Checkout Styles */
.b2b-checkout-company-wrapper {
    position: relative;
}

.b2b-checkout-company-input {
    width: 100%;
}

.b2b-checkout-company-card {
    margin-top: 16px;
}

.b2b-checkout-logged-in-company {
    margin-bottom: 24px;
}

.b2b-checkout-logged-in-company .b2b-company-card {
    margin-bottom: 0;
}

/* Responsive */
@media (max-width: 480px) {
    .b2b-modal {
        padding: 0;
        align-items: flex-end;
    }

    .b2b-modal__container {
        max-width: 100%;
        max-height: 95vh;
        border-radius: var(--b2b-radius-lg) var(--b2b-radius-lg) 0 0;
    }

    .b2b-modal__view {
        padding: 48px 24px 32px;
    }

    .b2b-form__row {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .b2b-company-card {
        flex-direction: column;
        gap: 12px;
    }

    .b2b-company-card__change {
        width: 100%;
        text-align: center;
    }
}