/**
 * Digital Assets Distribution — Frontend Styles
 *
 * @package DigitalAssetsDistribution
 */

/* =============================================
   VARIABLES
   ============================================= */
:root {
    --dad-primary: #1e3a5f;
    --dad-primary-hover: #163050;
    --dad-secondary: #0f766e;
    --dad-success: #16a34a;
    --dad-warning: #d97706;
    --dad-danger: #dc2626;
    --dad-text: #1f2937;
    --dad-text-muted: #6b7280;
    --dad-bg: #f8fafc;
    --dad-card-bg: #ffffff;
    --dad-border: #e5e7eb;
    --dad-radius: 12px;
    --dad-radius-sm: 8px;
    --dad-shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.04);
    --dad-shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1), 0 4px 10px rgba(0, 0, 0, 0.05);
    --dad-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif;
}

/* =============================================
   PRODUCTS GRID (stacked horizontal cards)
   ============================================= */
.dad-products-grid {
    display: grid;
    grid-template-columns: repeat(var(--dad-columns, 1), 1fr);
    gap: 28px;
    max-width: 960px;
    margin: 0 auto;
    padding: 20px 0;
    font-family: var(--dad-font);
}

.dad-products-grid--stack {
    grid-template-columns: 1fr;
    max-width: 960px;
}

/* =============================================
   PRODUCT CARD
   ============================================= */
.dad-product-card {
    background: var(--dad-card-bg);
    border: 1px solid var(--dad-border);
    border-radius: var(--dad-radius);
    overflow: hidden;
    box-shadow: var(--dad-shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    min-height: 220px;
}

.dad-product-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--dad-shadow-lg);
}

.dad-product-card-inner {
    display: flex;
    flex-direction: row;
    align-items: stretch;
    min-height: 220px;
}

.dad-product-image {
    position: relative;
    flex: 0 0 min(42%, 320px);
    width: min(42%, 320px);
    min-width: 200px;
    min-height: 220px;
    max-height: 280px;
    overflow: hidden;
    background: linear-gradient(135deg, #e0e7ff 0%, #f0fdfa 100%);
}

.dad-product-image img {
    width: 100%;
    height: 100%;
    min-height: 220px;
    object-fit: cover;
    object-position: center;
    transition: transform 0.4s ease;
}

.dad-product-card:hover .dad-product-image img {
    transform: scale(1.03);
}

.dad-product-image-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    min-height: 220px;
    color: #94a3b8;
}

.dad-placeholder-lg {
    min-height: 250px;
}

.dad-product-info {
    padding: 22px 24px;
    display: flex;
    flex-direction: column;
    flex: 1;
    justify-content: center;
    min-width: 0;
}

.dad-product-title {
    margin: 0 0 10px 0;
    font-size: 18px;
    font-weight: 700;
    color: var(--dad-text);
    line-height: 1.3;
}

.dad-product-excerpt {
    margin: 0 0 14px 0;
    font-size: 14px;
    color: var(--dad-text-muted);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.dad-product-price-row {
    margin: 0 0 18px 0;
}

.dad-product-price-amount {
    font-size: 22px;
    font-weight: 800;
    color: var(--dad-primary);
    letter-spacing: 0.02em;
}

.dad-product-price-free {
    color: var(--dad-success);
    font-size: 20px;
}

.dad-product-actions {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    margin-top: auto;
}

.dad-product-actions .dad-btn-primary {
    width: 100%;
    max-width: 280px;
}

.dad-product-demo-link {
    display: inline-block;
    text-align: center;
    font-size: 15px;
    font-weight: 600;
    color: var(--dad-secondary);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.dad-product-demo-link:hover {
    color: var(--dad-primary);
}

.dad-single-demo-wrap {
    margin: 14px 0 0 0;
    text-align: center;
}

.dad-product-demo-link--single {
    text-align: center;
    width: 100%;
}

@media (max-width: 640px) {
    .dad-product-card-inner {
        flex-direction: column;
    }

    .dad-product-image {
        flex: none;
        width: 100%;
        min-width: 0;
        max-height: 220px;
        min-height: 200px;
    }

    .dad-product-image img {
        min-height: 200px;
    }

    .dad-product-actions .dad-btn-primary {
        max-width: none;
    }
}

/* =============================================
   SINGLE PRODUCT
   ============================================= */
.dad-single-product {
    max-width: 1000px;
    margin: 0 auto;
    padding: 30px 0;
    font-family: var(--dad-font);
}

.dad-single-product-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}

@media (max-width: 768px) {
    .dad-single-product-layout {
        grid-template-columns: 1fr;
    }
}

.dad-single-product-image {
    border-radius: var(--dad-radius);
    overflow: hidden;
    box-shadow: var(--dad-shadow);
    background: linear-gradient(135deg, #e0e7ff 0%, #f0fdfa 100%);
}

.dad-single-product-image img {
    width: 100%;
    display: block;
}

.dad-single-product-title {
    font-size: 28px;
    font-weight: 800;
    color: var(--dad-text);
    margin: 0 0 12px 0;
    line-height: 1.2;
}

.dad-single-product-price {
    margin-bottom: 20px;
}

.dad-price-amount {
    font-size: 32px;
    font-weight: 800;
    color: var(--dad-primary);
}

.dad-price-free {
    font-size: 24px;
    font-weight: 700;
    color: var(--dad-success);
    background: #f0fdf4;
    padding: 6px 16px;
    border-radius: var(--dad-radius-sm);
    display: inline-block;
}

.dad-single-product-description {
    font-size: 15px;
    color: var(--dad-text-muted);
    line-height: 1.7;
    margin-bottom: 20px;
}

.dad-product-file-info {
    padding: 12px 16px;
    background: var(--dad-bg);
    border-radius: var(--dad-radius-sm);
    font-size: 13px;
    color: var(--dad-text-muted);
    margin-bottom: 24px;
}

/* =============================================
   BUTTONS
   ============================================= */
.dad-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: var(--dad-radius-sm);
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: var(--dad-font);
    line-height: 1.4;
}

.dad-btn-primary {
    background: linear-gradient(135deg, var(--dad-primary) 0%, var(--dad-secondary) 100%);
    color: #fff;
}

.dad-btn-primary:hover {
    opacity: 0.92;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(30, 58, 95, 0.3);
    color: #fff;
}

.dad-btn-outline {
    background: transparent;
    color: var(--dad-primary);
    border: 2px solid var(--dad-border);
}

.dad-btn-outline:hover {
    border-color: var(--dad-primary);
    color: var(--dad-primary);
}

.dad-btn-full {
    width: 100%;
}

.dad-btn-lg {
    padding: 16px 32px;
    font-size: 17px;
}

.dad-btn-spinner {
    display: inline-flex;
    align-items: center;
}

/* =============================================
   MODAL
   ============================================= */
.dad-modal {
    position: fixed;
    inset: 0;
    z-index: 999999;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--dad-font);
}

.dad-modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    animation: dadFadeIn 0.2s ease;
}

.dad-modal-content {
    position: relative;
    background: var(--dad-card-bg);
    border-radius: 16px;
    padding: 36px;
    max-width: 460px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
    animation: dadSlideUp 0.3s ease;
}

.dad-modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: none;
    background: var(--dad-bg);
    color: var(--dad-text-muted);
    font-size: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.dad-modal-close:hover {
    background: #fee2e2;
    color: var(--dad-danger);
}

.dad-modal-header {
    margin-bottom: 24px;
}

.dad-modal-header h2 {
    font-size: 22px;
    font-weight: 700;
    color: var(--dad-text);
    margin: 0 0 4px 0;
}

.dad-modal-subtitle {
    font-size: 14px;
    color: var(--dad-text-muted);
    margin: 0;
}

@keyframes dadFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes dadSlideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* =============================================
   FORMS
   ============================================= */
.dad-checkout-form {
    font-family: var(--dad-font);
}

.dad-field {
    margin-bottom: 18px;
}

.dad-field label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--dad-text);
    margin-bottom: 6px;
}

.dad-required {
    color: var(--dad-danger);
}

.dad-optional {
    font-weight: 400;
    color: var(--dad-text-muted);
    font-size: 12px;
}

.dad-field input[type="text"],
.dad-field input[type="email"],
.dad-field input[type="tel"] {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--dad-border);
    border-radius: var(--dad-radius-sm);
    font-size: 15px;
    font-family: var(--dad-font);
    color: var(--dad-text);
    transition: border-color 0.2s, box-shadow 0.2s;
    box-sizing: border-box;
    background: #fff;
}

.dad-field input:focus {
    border-color: var(--dad-primary);
    box-shadow: 0 0 0 3px rgba(30, 58, 95, 0.1);
    outline: none;
}

.dad-field input.dad-input-error {
    border-color: var(--dad-danger);
}

.dad-form-error {
    padding: 12px 16px;
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: var(--dad-radius-sm);
    color: #991b1b;
    font-size: 14px;
    margin-bottom: 16px;
}

.dad-checkout-note {
    text-align: center;
    font-size: 13px;
    color: var(--dad-text-muted);
    margin: 16px 0 0 0;
}

/* =============================================
   SUCCESS STATE
   ============================================= */
.dad-checkout-success {
    text-align: center;
    padding: 20px 0;
}

.dad-success-icon {
    margin-bottom: 16px;
}

.dad-checkout-success h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--dad-text);
    margin: 0 0 8px 0;
}

.dad-checkout-success p {
    font-size: 15px;
    color: var(--dad-text-muted);
    margin: 0;
}

/* =============================================
   INLINE CHECKOUT (Single Product)
   ============================================= */
.dad-buy-now-wrapper {
    margin-top: 8px;
}

.dad-buy-now-trigger {
    font-size: 17px;
    padding: 16px 32px;
    gap: 8px;
}

.dad-inline-checkout {
    padding: 24px;
    background: var(--dad-bg);
    border-radius: var(--dad-radius);
    border: 1px solid var(--dad-border);
    margin-top: 8px;
}

.dad-inline-checkout-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.dad-inline-checkout-header h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--dad-text);
    margin: 0;
}

.dad-inline-checkout-close {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: none;
    background: var(--dad-card-bg);
    color: var(--dad-text-muted);
    font-size: 22px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    line-height: 1;
    flex-shrink: 0;
    box-shadow: var(--dad-shadow);
}

.dad-inline-checkout-close:hover {
    background: #fee2e2;
    color: #dc2626;
}

/* =============================================
   STATUS PAGES (Success, Cancel, Error, Download)
   ============================================= */
.dad-page-wrapper {
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    font-family: var(--dad-font);
}

.dad-status-page {
    text-align: center;
    max-width: 560px;
    width: 100%;
}

.dad-status-icon {
    margin-bottom: 24px;
}

.dad-status-success { color: var(--dad-success); }
.dad-status-warning { color: var(--dad-warning); }
.dad-status-error { color: var(--dad-danger); }

.dad-status-page h1 {
    font-size: 28px;
    font-weight: 800;
    color: var(--dad-text);
    margin: 0 0 12px 0;
}

.dad-status-message {
    font-size: 16px;
    color: var(--dad-text-muted);
    line-height: 1.6;
    margin: 0 0 30px 0;
}

.dad-status-details {
    text-align: left;
    margin-bottom: 30px;
}

.dad-detail-box {
    display: flex;
    gap: 16px;
    padding: 16px 20px;
    background: var(--dad-card-bg);
    border: 1px solid var(--dad-border);
    border-radius: var(--dad-radius-sm);
    margin-bottom: 12px;
}

.dad-detail-icon {
    font-size: 24px;
    flex: 0 0 auto;
}

.dad-detail-box strong {
    display: block;
    font-size: 14px;
    color: var(--dad-text);
    margin-bottom: 4px;
}

.dad-detail-box p {
    margin: 0;
    font-size: 13px;
    color: var(--dad-text-muted);
    line-height: 1.5;
}

.dad-status-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

/* =============================================
   DOWNLOAD PAGE
   ============================================= */
.dad-download-page {
    max-width: 500px;
    width: 100%;
}

.dad-download-card {
    background: var(--dad-card-bg);
    border-radius: var(--dad-radius);
    padding: 40px;
    box-shadow: var(--dad-shadow-lg);
    text-align: center;
}

.dad-download-icon {
    color: var(--dad-primary);
    margin-bottom: 16px;
}

.dad-download-card h1 {
    font-size: 24px;
    font-weight: 800;
    color: var(--dad-text);
    margin: 0 0 24px 0;
}

.dad-download-file-info {
    text-align: left;
    background: var(--dad-bg);
    border-radius: var(--dad-radius-sm);
    padding: 16px 20px;
    margin-bottom: 24px;
}

.dad-file-detail {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid var(--dad-border);
}

.dad-file-detail:last-child {
    border-bottom: none;
}

.dad-file-label {
    font-size: 13px;
    color: var(--dad-text-muted);
}

.dad-file-value {
    font-size: 13px;
    font-weight: 600;
    color: var(--dad-text);
    text-align: right;
    word-break: break-word;
    max-width: 60%;
}

.dad-download-form {
    margin-bottom: 20px;
}

.dad-download-warning {
    padding: 12px 16px;
    background: #fffbeb;
    border: 1px solid #fde68a;
    border-radius: var(--dad-radius-sm);
    font-size: 13px;
    color: #92400e;
    text-align: left;
}

.dad-download-warning p {
    margin: 0;
    line-height: 1.5;
}

/* =============================================
   NO PRODUCTS
   ============================================= */
.dad-no-products {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 20px;
    color: var(--dad-text-muted);
    font-size: 16px;
}