/* ==========================================================================
   Etsy Shop Analyzer – Premium Dark Mode Dashboard
   ========================================================================== */

/* ---------- Design Tokens ---------- */
:root {
    --esa-bg: #0f1117;
    --esa-bg-card: rgba(22, 27, 45, 0.8);
    --esa-bg-card-hover: rgba(30, 36, 58, 0.9);
    --esa-bg-glass: rgba(255, 255, 255, 0.03);
    --esa-border: rgba(255, 255, 255, 0.06);
    --esa-border-hover: rgba(255, 255, 255, 0.12);
    --esa-text: #e4e6f0;
    --esa-text-dim: #8b8fa3;
    --esa-text-muted: #5a5e73;

    --esa-primary: #6c5ce7;
    --esa-primary-glow: rgba(108, 92, 231, 0.3);
    --esa-accent: #00cec9;
    --esa-accent-glow: rgba(0, 206, 201, 0.3);
    --esa-orange: #f39c12;
    --esa-pink: #e84393;
    --esa-green: #00b894;
    --esa-red: #e17055;
    --esa-blue: #74b9ff;

    --esa-gradient-1: linear-gradient(135deg, #6c5ce7, #a29bfe);
    --esa-gradient-2: linear-gradient(135deg, #00cec9, #81ecec);
    --esa-gradient-3: linear-gradient(135deg, #f39c12, #fdcb6e);
    --esa-gradient-4: linear-gradient(135deg, #e84393, #fd79a8);
    --esa-gradient-5: linear-gradient(135deg, #00b894, #55efc4);
    --esa-gradient-6: linear-gradient(135deg, #74b9ff, #a29bfe);

    --esa-radius: 16px;
    --esa-radius-sm: 10px;
    --esa-radius-xs: 6px;
    --esa-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    --esa-shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.4);
    --esa-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);

    --esa-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* ---------- Base ---------- */
.esa-app {
    font-family: var(--esa-font);
    color: var(--esa-text);
    background: var(--esa-bg);
    min-height: 100vh;
    padding: 0;
    margin: -20px -20px 0;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.esa-app * {
    box-sizing: border-box;
}

/* ---------- Search Section ---------- */
.esa-search-section {
    padding: 80px 24px 60px;
    text-align: center;
    background: radial-gradient(ellipse at 50% 0%, rgba(108, 92, 231, 0.15), transparent 70%),
                var(--esa-bg);
    border-bottom: 1px solid var(--esa-border);
}

.esa-search-container {
    max-width: 700px;
    margin: 0 auto;
}

.esa-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin: 0 0 12px;
    background: linear-gradient(135deg, #fff, #a29bfe);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.esa-title-icon {
    -webkit-text-fill-color: initial;
    margin-right: 8px;
}

.esa-subtitle {
    font-size: 1.05rem;
    color: var(--esa-text-dim);
    margin: 0 0 36px;
    font-weight: 400;
}

.esa-search-bar {
    position: relative;
}

.esa-search-input-wrapper {
    display: flex;
    align-items: center;
    background: var(--esa-bg-card);
    border: 1px solid var(--esa-border);
    border-radius: 60px;
    padding: 6px 6px 6px 20px;
    transition: var(--esa-transition);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.2);
}

.esa-search-input-wrapper:focus-within {
    border-color: var(--esa-primary);
    box-shadow: 0 0 0 3px var(--esa-primary-glow), 0 4px 24px rgba(0, 0, 0, 0.3);
}

.esa-search-icon {
    width: 20px;
    height: 20px;
    color: var(--esa-text-muted);
    flex-shrink: 0;
}

.esa-search-input {
    flex: 1;
    border: none;
    background: transparent;
    color: var(--esa-text);
    font-size: 1.05rem;
    font-family: var(--esa-font);
    padding: 12px 16px;
    outline: none;
    min-width: 0;
}

.esa-search-input::placeholder {
    color: var(--esa-text-muted);
}

.esa-search-btn {
    background: var(--esa-gradient-1);
    color: #fff;
    border: none;
    border-radius: 50px;
    padding: 12px 28px;
    font-size: 0.95rem;
    font-weight: 600;
    font-family: var(--esa-font);
    cursor: pointer;
    transition: var(--esa-transition);
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 8px;
}

.esa-search-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 16px var(--esa-primary-glow);
}

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

/* ---------- Loading ---------- */
.esa-loading {
    padding: 80px 24px;
    text-align: center;
}

.esa-loading-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.esa-loading-spinner {
    width: 48px;
    height: 48px;
    border: 3px solid var(--esa-border);
    border-top-color: var(--esa-primary);
    border-radius: 50%;
    animation: esa-spin 0.8s linear infinite;
}

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

.esa-loading-text {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--esa-text);
    margin: 0;
}

.esa-loading-detail {
    font-size: 0.9rem;
    color: var(--esa-text-dim);
    margin: 0;
    transition: var(--esa-transition);
}

/* Spinner in button */
.esa-spinner {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: esa-spin 0.6s linear infinite;
}

/* ---------- Error ---------- */
.esa-error {
    padding: 40px 24px;
    display: flex;
    justify-content: center;
}

.esa-error-content {
    background: rgba(225, 112, 85, 0.1);
    border: 1px solid rgba(225, 112, 85, 0.3);
    border-radius: var(--esa-radius);
    padding: 24px 32px;
    text-align: center;
    max-width: 500px;
}

.esa-error-icon {
    font-size: 2rem;
}

.esa-error-content p {
    color: var(--esa-red);
    margin: 8px 0 16px;
    font-size: 0.95rem;
}

.esa-error-btn {
    background: transparent;
    border: 1px solid var(--esa-red);
    color: var(--esa-red);
    border-radius: 8px;
    padding: 8px 20px;
    font-family: var(--esa-font);
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--esa-transition);
}

.esa-error-btn:hover {
    background: rgba(225, 112, 85, 0.15);
}

/* ---------- Dashboard ---------- */
.esa-dashboard {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 24px 80px;
}

/* ---------- Shop Header ---------- */
.esa-shop-header {
    background: var(--esa-bg-card);
    border: 1px solid var(--esa-border);
    border-radius: var(--esa-radius);
    padding: 32px;
    margin-bottom: 24px;
    backdrop-filter: blur(12px);
    animation: esa-fadeUp 0.5s ease;
}

.esa-shop-name {
    font-size: 1.8rem;
    font-weight: 700;
    margin: 0 0 4px;
    color: #fff;
}

.esa-shop-tagline {
    color: var(--esa-text-dim);
    margin: 0 0 12px;
    font-size: 0.95rem;
}

.esa-shop-link {
    color: var(--esa-primary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--esa-transition);
}

.esa-shop-link:hover {
    color: #a29bfe;
}

/* ---------- KPI Cards ---------- */
.esa-kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
    gap: 16px;
    margin-bottom: 32px;
}

.esa-kpi-card {
    background: var(--esa-bg-card);
    border: 1px solid var(--esa-border);
    border-radius: var(--esa-radius);
    padding: 24px 20px;
    text-align: center;
    transition: var(--esa-transition);
    backdrop-filter: blur(12px);
    position: relative;
    overflow: hidden;
    animation: esa-fadeUp 0.5s ease;
    animation-fill-mode: both;
}

.esa-kpi-card:nth-child(1) { animation-delay: 0.05s; }
.esa-kpi-card:nth-child(2) { animation-delay: 0.1s; }
.esa-kpi-card:nth-child(3) { animation-delay: 0.15s; }
.esa-kpi-card:nth-child(4) { animation-delay: 0.2s; }
.esa-kpi-card:nth-child(5) { animation-delay: 0.25s; }
.esa-kpi-card:nth-child(6) { animation-delay: 0.3s; }

.esa-kpi-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    border-radius: 3px 3px 0 0;
}

.esa-kpi-sales::before   { background: var(--esa-gradient-1); }
.esa-kpi-revenue::before { background: var(--esa-gradient-3); }
.esa-kpi-reviews::before { background: var(--esa-gradient-2); }
.esa-kpi-favorites::before { background: var(--esa-gradient-4); }
.esa-kpi-listings::before { background: var(--esa-gradient-5); }
.esa-kpi-age::before     { background: var(--esa-gradient-6); }

.esa-kpi-card:hover {
    transform: translateY(-4px);
    border-color: var(--esa-border-hover);
    box-shadow: var(--esa-shadow);
}

.esa-kpi-icon {
    font-size: 1.6rem;
    margin-bottom: 8px;
}

.esa-kpi-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 4px;
    letter-spacing: -0.02em;
}

.esa-kpi-label {
    font-size: 0.8rem;
    color: var(--esa-text-dim);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
}

/* ---------- Sections ---------- */
.esa-section {
    background: var(--esa-bg-card);
    border: 1px solid var(--esa-border);
    border-radius: var(--esa-radius);
    padding: 28px;
    margin-bottom: 24px;
    backdrop-filter: blur(12px);
    animation: esa-fadeUp 0.5s ease;
}

.esa-section-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin: 0 0 4px;
    color: #fff;
}

.esa-section-subtitle {
    font-size: 0.85rem;
    color: var(--esa-text-dim);
    margin: 0 0 20px;
}

/* ---------- Bestsellers ---------- */
.esa-bestsellers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
    margin-top: 16px;
}

.esa-bestseller-card {
    background: var(--esa-bg-glass);
    border: 1px solid var(--esa-border);
    border-radius: var(--esa-radius-sm);
    overflow: hidden;
    transition: var(--esa-transition);
    position: relative;
}

.esa-bestseller-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--esa-shadow);
    border-color: var(--esa-border-hover);
}

.esa-bestseller-rank {
    position: absolute;
    top: 8px;
    left: 8px;
    background: var(--esa-primary);
    color: #fff;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    z-index: 2;
    box-shadow: 0 2px 8px var(--esa-primary-glow);
}

.esa-bestseller-img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    background: rgba(255,255,255,0.03);
    display: block;
}

.esa-bestseller-info {
    padding: 12px;
}

.esa-bestseller-title {
    font-size: 0.8rem;
    font-weight: 500;
    margin: 0 0 8px;
    color: var(--esa-text);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.4;
}

.esa-bestseller-price {
    font-size: 1rem;
    font-weight: 700;
    color: var(--esa-accent);
    margin: 0 0 6px;
}

.esa-bestseller-stats {
    display: flex;
    gap: 12px;
    font-size: 0.75rem;
    color: var(--esa-text-dim);
}

.esa-bestseller-stat {
    display: flex;
    align-items: center;
    gap: 3px;
}

/* ---------- Charts ---------- */
.esa-charts-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.esa-chart-section {
    min-height: 280px;
}

.esa-chart-container {
    position: relative;
    height: 250px;
    margin-top: 16px;
}

.esa-chart-container canvas {
    max-height: 250px;
}

.esa-price-stats {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-top: 12px;
}

.esa-price-stat {
    background: var(--esa-bg-glass);
    border: 1px solid var(--esa-border);
    border-radius: var(--esa-radius-xs);
    padding: 10px 16px;
    text-align: center;
    flex: 1;
    min-width: 80px;
}

.esa-price-stat-value {
    font-size: 1.1rem;
    font-weight: 700;
    color: #fff;
}

.esa-price-stat-label {
    font-size: 0.7rem;
    color: var(--esa-text-dim);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.esa-review-avg {
    margin-top: 12px;
    font-size: 0.9rem;
    color: var(--esa-text-dim);
}

.esa-review-avg-score {
    font-size: 2rem;
    font-weight: 800;
    color: var(--esa-orange);
    margin-right: 8px;
}

.esa-review-avg-stars {
    color: var(--esa-orange);
    font-size: 1.2rem;
}

/* ---------- Tag Cloud ---------- */
.esa-tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 16px;
}

.esa-tag {
    background: var(--esa-bg-glass);
    border: 1px solid var(--esa-border);
    border-radius: 20px;
    padding: 6px 14px;
    font-size: 0.8rem;
    color: var(--esa-text);
    cursor: default;
    transition: var(--esa-transition);
    white-space: nowrap;
}

.esa-tag:hover {
    background: rgba(108, 92, 231, 0.15);
    border-color: var(--esa-primary);
    color: #fff;
}

.esa-tag-count {
    color: var(--esa-text-muted);
    font-size: 0.7rem;
    margin-left: 4px;
}

/* ---------- Reviews List ---------- */
.esa-reviews-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 16px;
}

.esa-review-item {
    background: var(--esa-bg-glass);
    border: 1px solid var(--esa-border);
    border-radius: var(--esa-radius-sm);
    padding: 16px;
    transition: var(--esa-transition);
}

.esa-review-item:hover {
    border-color: var(--esa-border-hover);
}

.esa-review-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.esa-review-stars {
    color: var(--esa-orange);
    font-size: 0.95rem;
    letter-spacing: 2px;
}

.esa-review-date {
    font-size: 0.75rem;
    color: var(--esa-text-muted);
}

.esa-review-text {
    font-size: 0.88rem;
    color: var(--esa-text-dim);
    line-height: 1.5;
    margin: 0;
}

.esa-review-image {
    width: 60px;
    height: 60px;
    border-radius: var(--esa-radius-xs);
    object-fit: cover;
    margin-top: 10px;
    border: 1px solid var(--esa-border);
}

/* ---------- Listings Table ---------- */
.esa-table-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    flex-wrap: wrap;
    gap: 12px;
}

.esa-listings-count {
    font-size: 0.85rem;
    color: var(--esa-text-dim);
}

.esa-sort-controls {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--esa-text-dim);
}

.esa-select {
    background: var(--esa-bg-glass);
    border: 1px solid var(--esa-border);
    border-radius: var(--esa-radius-xs);
    color: var(--esa-text);
    padding: 6px 12px;
    font-family: var(--esa-font);
    font-size: 0.8rem;
    cursor: pointer;
    outline: none;
    transition: var(--esa-transition);
}

.esa-select:focus {
    border-color: var(--esa-primary);
}

.esa-table-wrapper {
    overflow-x: auto;
    margin: 0 -4px;
}

.esa-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

.esa-table thead th {
    background: var(--esa-bg-glass);
    color: var(--esa-text-dim);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.7rem;
    letter-spacing: 0.06em;
    padding: 12px 14px;
    text-align: left;
    border-bottom: 1px solid var(--esa-border);
    position: sticky;
    top: 0;
}

.esa-table tbody tr {
    border-bottom: 1px solid var(--esa-border);
    transition: var(--esa-transition);
}

.esa-table tbody tr:hover {
    background: rgba(108, 92, 231, 0.05);
}

.esa-table tbody td {
    padding: 10px 14px;
    color: var(--esa-text);
    vertical-align: middle;
}

.esa-table .esa-listing-title-cell {
    max-width: 300px;
}

.esa-table .esa-listing-title-link {
    color: var(--esa-text);
    text-decoration: none;
    font-weight: 500;
    transition: var(--esa-transition);
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.esa-table .esa-listing-title-link:hover {
    color: var(--esa-primary);
}

.esa-table .esa-price-cell {
    font-weight: 600;
    color: var(--esa-accent);
    white-space: nowrap;
}

/* ---------- Animations ---------- */
@keyframes esa-fadeUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
    .esa-title {
        font-size: 1.8rem;
    }

    .esa-search-section {
        padding: 50px 16px 40px;
    }

    .esa-search-input-wrapper {
        flex-direction: column;
        border-radius: var(--esa-radius);
        padding: 12px;
        gap: 10px;
    }

    .esa-search-icon {
        display: none;
    }

    .esa-search-btn {
        width: 100%;
        justify-content: center;
    }

    .esa-kpi-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .esa-charts-row {
        grid-template-columns: 1fr;
    }

    .esa-bestsellers-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .esa-dashboard {
        padding: 24px 16px 60px;
    }
}

@media (max-width: 480px) {
    .esa-bestsellers-grid {
        grid-template-columns: 1fr;
    }
}