/* ==========================================================================
   GuinRank V7 - YouTube Channel Engagement Rate & Health Calculator (engagement-calculator.css)
   Zero-Regression Engineering Standards:
   - 100% Pure CSS Theme Variables (:root)
   - Proper Stacking Context (Hub z-index: 100, Bento z-index: 1, Dropdown: 99999)
   - Root-Level Viewport Escaping Modal & Dual Scroll Lock
   - Wide-Mode Layout Expansion
   - Master SaaS UI & UX Architecture
   ========================================================================== */

/* 1. Root Container & Scoping */
.engagement-calculator-container {
    position: relative;
    width: 100%;
    min-height: 100vh;
    padding: 24px 20px 80px 20px;
    box-sizing: border-box;
    color: var(--text-main, var(--text-main));
}

.engagement-calculator-container.rtl {
    direction: rtl;
    text-align: right;
}

.engagement-calculator-container.ltr {
    direction: ltr;
    text-align: left;
}

/* Wide Mode Support */
.engagement-calculator-container.is-wide-mode .tool-main-container {
    max-width: 100%!important;
    width: 100%!important;
}

.tool-main-container {
    max-width: 1240px;
    margin: 0 auto;
    position: relative;
    transition: max-width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 2. Loading State */
.tool-loading-state {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 400px;
}

.tool-content-state.none {
    display: none;
}

.tool-content-state.show {
    display: block;
    animation: fadeIn 0.35s ease forwards;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

/* 3. Floating Expand Button */
.fixed-floating-actions {
    position: fixed;
    bottom: 28px;
    right: 28px;
    z-index: 9999;
}

.rtl .fixed-floating-actions {
    right: auto;
    left: 28px;
}

.floating-expand-btn {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: var(--card-bg, color-mix(in srgb, var(--card-bg) 60%, var(--bg-body)));
    border: 1px solid var(--border-color, color-mix(in srgb, var(--text-main) 12%, transparent));
    color: var(--text-main, var(--text-main));
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 10px 25px color-mix(in srgb, var(--border-color) 80%, transparent);
    backdrop-filter: blur(12px);
    transition: all 0.25s ease;
}

.floating-expand-btn:hover {
    transform: scale(1.08);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* 4. Compliance Micro-Bar */
.compliance-micro-bar {
    display: flex;
    justify-content: center;
    margin-bottom: 24px;
}

.compliance-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border-radius: 999px;
    background: color-mix(in srgb, var(--success) 08%, transparent);
    border: 1px solid color-mix(in srgb, var(--success) 25%, transparent);
    color: var(--text-muted, var(--text-muted));
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.compliance-pill:hover {
    background: color-mix(in srgb, var(--success) 14%, transparent);
    border-color: color-mix(in srgb, var(--success) 45%, transparent);
    color: var(--text-main, var(--text-main));
}

.compliance-status-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--success);
    box-shadow: 0 0 8px var(--success);
}

.compliance-shield-icon {
    width: 14px;
    height: 14px;
    color: var(--success);
}

.compliance-info-icon {
    width: 13px;
    height: 13px;
    opacity: 0.7;
}

/* 5. Console Hero Header */
.console-hero-header {
    text-align: center;
    margin-bottom: 32px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    border-radius: 999px;
    background: color-mix(in srgb, var(--text-main) 5%, transparent);
    border: 1px solid var(--border-color, var(--border-color));
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-main, var(--text-main));
    margin-bottom: 18px;
}

.badge-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--primary-color);
    box-shadow: 0 0 10px var(--primary-color);
}

.hero-badge-icon {
    width: 16px;
    height: 16px;
    color: var(--primary-color);
}

.hero-title {
    font-size: 2.35rem;
    font-weight: 800;
    line-height: 1.25;
    margin: 0 0 16px 0;
    letter-spacing: -0.02em;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-style: normal;
}

.hero-description {
    max-width: 720px;
    margin: 0 auto;
    font-size: 1.05rem;
    line-height: 1.65;
    color: var(--text-muted, var(--text-muted));
}

/* 6. Canonical 4-Features Belt */
.features-belt-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 36px;
}

.feature-belt-card {
    background: var(--card-bg, color-mix(in srgb, var(--card-bg) 60%, var(--bg-body)));
    border: 1px solid var(--border-color, color-mix(in srgb, var(--text-main) 5%, transparent));
    border-radius: 14px;
    padding: 18px 16px;
    display: flex;
    align-items: flex-start;
    gap: 14px;
    backdrop-filter: blur(10px);
    transition: all 0.25s ease;
}

.feature-belt-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px color-mix(in srgb, var(--border-color) 60%, transparent);
}

.feature-belt-icon-box {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: color-mix(in srgb, var(--text-main) 5%, transparent);
    border: 1px solid var(--border-color, var(--border-color));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    flex-shrink: 0;
}

.feature-belt-content {
    flex: 1;
}

.feature-belt-title {
    font-size: 0.92rem;
    font-weight: 700;
    margin: 0 0 4px 0;
    color: var(--text-main, var(--text-main));
}

.feature-belt-desc {
    font-size: 0.8rem;
    line-height: 1.45;
    color: var(--text-muted, var(--text-muted));
    margin: 0;
}

/* 7. High-End Command Hub Card */
.command-hub-card {
    background: var(--card-bg, color-mix(in srgb, var(--card-bg) 60%, var(--bg-body)));
    border: 1px solid var(--border-color, color-mix(in srgb, var(--text-main) 12%, transparent));
    border-radius: 20px;
    padding: 24px;
    margin-bottom: 40px;
    backdrop-filter: blur(16px);
    box-shadow: 0 16px 40px color-mix(in srgb, var(--border-color) 60%, transparent);
    position: relative;
    z-index: 100;
}

.hub-header-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--border-color, color-mix(in srgb, var(--text-main) 5%, transparent));
    margin-bottom: 20px;
}

.hub-title-box {
    display: flex;
    align-items: center;
    gap: 14px;
}

.hub-title-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: linear-gradient(135deg, color-mix(in srgb, var(--text-main) 5%, transparent), color-mix(in srgb, var(--text-main) 5%, transparent));
    border: 1px solid var(--border-color, var(--border-color));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
}

.hub-title-text {
    font-size: 1.25rem;
    font-weight: 800;
    margin: 0 0 4px 0;
    color: var(--text-main, var(--text-main));
}

.hub-subtitle-text {
    font-size: 0.88rem;
    color: var(--text-muted, var(--text-muted));
    margin: 0;
}

.hub-cost-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: 999px;
    background: color-mix(in srgb, var(--warning) 10%, transparent);
    border: 1px solid color-mix(in srgb, var(--warning) 30%, transparent);
    color: var(--warning);
    font-size: 0.82rem;
    font-weight: 700;
}

/* Hub Input Controls */
.hub-input-controls {
    display: grid;
    grid-template-columns: 240px 1fr auto;
    gap: 14px;
    align-items: center;
}

/* Channel Switcher Wrapper */
.channel-switcher-wrapper {
    position: relative;
}

.channel-dropdown-trigger {
    width: 100%;
    height: 50px;
    padding: 0 14px;
    background: color-mix(in srgb, var(--text-main) 5%, transparent);
    border: 1px solid var(--border-color, var(--border-color));
    border-radius: 12px;
    color: var(--text-main, var(--text-main));
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.2s ease;
}

.channel-dropdown-trigger:hover {
    border-color: var(--primary-color);
    background: color-mix(in srgb, var(--text-main) 5%, transparent);
}

.channel-avatar-micro {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.channel-trigger-name {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    text-align: start;
}

.dropdown-chevron-icon {
    width: 16px;
    height: 16px;
    color: var(--text-muted, var(--text-muted));
}

.channel-dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background: var(--card-bg, color-mix(in srgb, var(--card-bg) 75%, var(--bg-body)));
    border: 1px solid var(--border-color, color-mix(in srgb, var(--text-main) 12%, transparent));
    border-radius: 14px;
    box-shadow: 0 16px 36px color-mix(in srgb, var(--card-bg) 50%, var(--bg-body));
    z-index: 99999;
    max-height: 280px;
    overflow-y: auto;
    padding: 8px;
}

.dropdown-header-strip {
    padding: 8px 12px;
    font-size: 0.72rem;
    font-weight: 800;
    color: var(--text-muted, var(--text-muted));
    text-transform: uppercase;
    letter-spacing: 0.04em;
    border-bottom: 1px solid var(--border-color, color-mix(in srgb, var(--text-main) 5%, transparent));
}

.dropdown-empty-state {
    padding: 16px;
    font-size: 0.85rem;
    color: var(--text-muted, var(--text-muted));
    text-align: center;
}

.dropdown-channel-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.15s ease;
}

.dropdown-channel-row:hover {
    background: color-mix(in srgb, var(--text-main) 5%, transparent);
}

.dropdown-channel-row.is-active {
    background: color-mix(in srgb, var(--primary-color) 12%, transparent);
    border-inline-start: 3px solid var(--primary-color);
}

.row-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
}

.row-meta {
    flex: 1;
    overflow: hidden;
}

.row-title {
    display: block;
    font-size: 0.86rem;
    font-weight: 700;
    color: var(--text-main, var(--text-main));
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.row-handle {
    display: block;
    font-size: 0.74rem;
    color: var(--text-muted, var(--text-muted));
}

.row-check-badge {
    color: var(--primary-color);
    display: flex;
    align-items: center;
}

/* Input Box */
.input-with-action-box {
    position: relative;
    display: flex;
    align-items: center;
}

.input-inline-icon {
    position: absolute;
    left: 14px;
    color: var(--text-muted, var(--text-muted));
    display: flex;
    align-items: center;
    pointer-events: none;
}

.rtl .input-inline-icon {
    left: auto;
    right: 14px;
}

.command-native-input {
    width: 100%;
    height: 50px;
    background: color-mix(in srgb, var(--text-main) 5%, transparent);
    border: 1px solid var(--border-color, var(--border-color));
    border-radius: 12px;
    color: var(--text-main, var(--text-main));
    font-size: 0.95rem;
    padding: 0 40px 0 44px;
    outline: none;
    box-sizing: border-box;
    transition: all 0.2s ease;
}

.rtl .command-native-input {
    padding: 0 44px 0 40px;
}

.command-native-input:focus {
    border-color: var(--primary-color);
    background: color-mix(in srgb, var(--text-main) 5%, transparent);
    box-shadow: 0 0 0 2px var(--primary-shadow, color-mix(in srgb, var(--primary-color) 25%, transparent));
}

.clear-input-btn {
    position: absolute;
    right: 12px;
    background: none;
    border: none;
    color: var(--text-muted, var(--text-muted));
    font-size: 1.3rem;
    cursor: pointer;
    line-height: 1;
    padding: 4px;
}

.rtl .clear-input-btn {
    right: auto;
    left: 12px;
}

.clear-input-btn:hover {
    color: var(--text-main, var(--text-main));
}

/* Action Button */
.command-action-btn {
    height: 50px;
    padding: 0 28px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
    border: none;
    color: var(--primary-contrast, #ffffff);
    font-size: 0.95rem;
    font-weight: 800;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    box-shadow: 0 8px 24px var(--primary-shadow, color-mix(in srgb, var(--primary-color) 35%, transparent));
    transition: all 0.2s ease;
    white-space: nowrap;
}

.command-action-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 12px 30px var(--primary-shadow, color-mix(in srgb, var(--primary-color) 45%, transparent));
}

.command-action-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.credit-cost-pill {
    padding: 3px 8px;
    border-radius: 6px;
    background: color-mix(in srgb, var(--border-color) 60%, transparent);
    font-size: 0.78rem;
    font-weight: 700;
}

.btn-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-top-color: var(--text-main);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Quick Chips Strip */
.quick-chips-strip {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 14px;
    flex-wrap: wrap;
}

.chips-label {
    font-size: 0.76rem;
    font-weight: 600;
    color: var(--text-muted, var(--text-muted));
}

.channel-chip-btn {
    background: color-mix(in srgb, var(--text-main) 5%, transparent);
    border: 1px solid var(--border-color, var(--border-color));
    border-radius: 999px;
    padding: 4px 12px;
    font-size: 0.76rem;
    font-weight: 600;
    color: var(--text-main, var(--text-main));
    cursor: pointer;
    transition: all 0.2s ease;
}

.channel-chip-btn:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--primary-contrast, #ffffff);
    transform: translateY(-1px);
}

/* Error Banner */
.command-error-banner {
    margin-top: 16px;
    padding: 12px 18px;
    border-radius: 10px;
    background: color-mix(in srgb, var(--danger) 12%, transparent);
    border: 1px solid color-mix(in srgb, var(--danger) 30%, transparent);
    color: var(--danger);
    font-size: 0.88rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.close-err-btn {
    margin-inline-start: auto;
    background: none;
    border: none;
    color: var(--danger);
    font-size: 1.25rem;
    cursor: pointer;
}

/* 8. Canonical 6 Bento Features Clusters */
.console-features {
    margin-bottom: 40px;
}

.bento-features-cluster {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.bento-card {
    background: var(--card-bg, color-mix(in srgb, var(--card-bg) 60%, var(--bg-body)));
    border: 1px solid var(--border-color, color-mix(in srgb, var(--text-main) 5%, transparent));
    border-radius: 18px;
    padding: 24px;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
    transition: all 0.25s ease;
}

.bento-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: 0 12px 28px color-mix(in srgb, var(--border-color) 60%, transparent);
}

.bc-wide-top {
    grid-column: span 2;
}

.bc-tall {
    grid-row: span 2;
}

.bc-wide-mid {
    grid-column: span 2;
}

.bento-decor-icon {
    position: absolute;
    top: 18px;
    right: 18px;
    opacity: 0.12;
    color: var(--primary-color);
}

.rtl .bento-decor-icon {
    right: auto;
    left: 18px;
}

.dashed-ring-wrapper {
    margin-bottom: 16px;
}

.bc-icon-wrapper {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: color-mix(in srgb, var(--text-main) 5%, transparent);
    border: 1px solid var(--border-color, var(--border-color));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
}

.bc-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin: 0 0 8px 0;
    color: var(--text-main, var(--text-main));
}

.bc-desc {
    font-size: 0.88rem;
    line-height: 1.55;
    color: var(--text-muted, var(--text-muted));
    margin: 0;
}

/* 9. High-End Results Workspace */
.engagement-results-workspace {
    margin-top: 36px;
    animation: fadeIn 0.4s ease forwards;
}

/* 9.1 Channel Overview & Health Grade Hero */
.channel-health-hero-card {
    background: var(--card-bg, color-mix(in srgb, var(--card-bg) 60%, var(--bg-body)));
    border: 1px solid var(--border-color, color-mix(in srgb, var(--text-main) 12%, transparent));
    border-radius: 20px;
    padding: 28px;
    margin-bottom: 28px;
    backdrop-filter: blur(16px);
    box-shadow: 0 16px 40px color-mix(in srgb, var(--border-color) 60%, transparent);
}

.channel-profile-strip {
    display: flex;
    align-items: center;
    gap: 24px;
    margin-bottom: 22px;
}

.channel-large-avatar {
    width: 84px;
    height: 84px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--primary-color);
    box-shadow: 0 0 24px var(--primary-shadow, color-mix(in srgb, var(--primary-color) 35%, transparent));
}

.channel-info-meta {
    flex: 1;
}

.channel-title-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 4px;
}

.channel-name {
    font-size: 1.55rem;
    font-weight: 800;
    margin: 0;
    color: var(--text-main, var(--text-main));
}

.tier-badge {
    padding: 3px 10px;
    border-radius: 999px;
    background: color-mix(in srgb, var(--text-main) 5%, transparent);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--primary-color);
    border: 1px solid var(--border-color, color-mix(in srgb, var(--text-main) 12%, transparent));
}

.channel-handle-text {
    display: block;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-muted, var(--text-muted));
    margin-bottom: 12px;
}

.channel-quick-stats {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.stat-pill {
    padding: 6px 14px;
    border-radius: 8px;
    background: color-mix(in srgb, var(--text-main) 5%, transparent);
    border: 1px solid var(--border-color, color-mix(in srgb, var(--text-main) 5%, transparent));
    font-size: 0.82rem;
    color: var(--text-muted, var(--text-muted));
}

.stat-num {
    color: var(--text-main, var(--text-main));
    font-weight: 800;
    margin-inline-end: 4px;
}

/* Health Grade Ring */
.channel-grade-box {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px 24px;
    border-radius: 16px;
    background: color-mix(in srgb, var(--border-color) 60%, transparent);
    border: 1px solid var(--border-color, color-mix(in srgb, var(--text-main) 5%, transparent));
}

.grade-ring {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    font-weight: 900;
    border: 3px solid var(--success);
    color: var(--success);
    box-shadow: 0 0 16px color-mix(in srgb, var(--success) 35%, transparent);
}

.grade-ring.grade-a-plus, .grade-ring.grade-a {
    border-color: var(--success);
    color: var(--success);
}

.grade-ring.grade-b {
    border-color: var(--primary-color);
    color: var(--primary-color);
    box-shadow: 0 0 16px color-mix(in srgb, var(--primary-color) 35%, transparent);
}

.grade-ring.grade-c {
    border-color: var(--warning);
    color: var(--warning);
    box-shadow: 0 0 16px color-mix(in srgb, var(--warning) 35%, transparent);
}

.grade-ring.grade-d {
    border-color: var(--danger);
    color: var(--danger);
    box-shadow: 0 0 16px color-mix(in srgb, var(--danger) 35%, transparent);
}

.score-meta {
    text-align: start;
}

.score-number {
    display: block;
    font-size: 1.25rem;
    font-weight: 900;
    color: var(--text-main, var(--text-main));
}

.score-label {
    font-size: 0.74rem;
    color: var(--text-muted, var(--text-muted));
    font-weight: 600;
}

/* Health Summary Strip */
.health-summary-strip {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    border-radius: 12px;
    background: color-mix(in srgb, var(--text-main) 5%, transparent);
    border: 1px solid var(--border-color, color-mix(in srgb, var(--text-main) 5%, transparent));
}

.strip-icon {
    width: 20px;
    height: 20px;
    color: var(--primary-color);
    flex-shrink: 0;
}

.summary-text {
    font-size: 0.9rem;
    line-height: 1.5;
    color: var(--text-main, var(--text-main));
    margin: 0;
}

/* 9.2 4 Core KPI Tiles */
.kpi-metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
    margin-bottom: 32px;
}

.kpi-card {
    background: var(--card-bg, color-mix(in srgb, var(--card-bg) 60%, var(--bg-body)));
    border: 1px solid var(--border-color, color-mix(in srgb, var(--text-main) 5%, transparent));
    border-radius: 16px;
    padding: 20px;
    backdrop-filter: blur(12px);
    transition: all 0.25s ease;
}

.kpi-card:hover {
    transform: translateY(-2px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 24px color-mix(in srgb, var(--border-color) 60%, transparent);
}

.kpi-card-highlight {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, color-mix(in srgb, var(--primary-color) 8%, transparent) 0%, color-mix(in srgb, var(--card-bg) 60%, var(--bg-body)) 100%);
}

.kpi-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.kpi-title {
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--text-muted, var(--text-muted));
}

.kpi-icon {
    width: 28px;
    height: 28px;
    border-radius: 8px;
    background: color-mix(in srgb, var(--text-main) 5%, transparent);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
}

.kpi-value-row {
    margin-bottom: 14px;
}

.kpi-value {
    font-size: 1.85rem;
    font-weight: 900;
    color: var(--text-main, var(--text-main));
    display: block;
}

.benchmark-delta {
    display: inline-block;
    font-size: 0.74rem;
    font-weight: 700;
    margin-top: 4px;
}

.benchmark-delta.positive {
    color: var(--success);
}

.benchmark-delta.negative {
    color: var(--danger);
}

.kpi-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 10px;
    border-top: 1px solid var(--border-color, color-mix(in srgb, var(--text-main) 5%, transparent));
    font-size: 0.76rem;
}

.sub-label {
    color: var(--text-muted, var(--text-muted));
}

.sub-val {
    font-weight: 700;
    color: var(--text-main, var(--text-main));
}

.status-tag {
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 800;
}

.status-superior {
    background: color-mix(in srgb, var(--success) 15%, transparent);
    color: var(--success);
}

.status-healthy {
    background: color-mix(in srgb, var(--primary-color) 15%, transparent);
    color: var(--primary-color);
}

.status-average {
    background: color-mix(in srgb, var(--warning) 15%, transparent);
    color: var(--warning);
}

.status-below-average {
    background: color-mix(in srgb, var(--danger) 15%, transparent);
    color: var(--danger);
}

/* 9.3 Recent Uploads Engagement Breakdown Table */
.recent-uploads-section {
    background: var(--card-bg, color-mix(in srgb, var(--card-bg) 60%, var(--bg-body)));
    border: 1px solid var(--border-color, color-mix(in srgb, var(--text-main) 5%, transparent));
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 32px;
    backdrop-filter: blur(12px);
}

.section-strip {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.section-title {
    font-size: 1.15rem;
    font-weight: 800;
    margin: 0;
    color: var(--text-main, var(--text-main));
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-icon {
    width: 22px;
    height: 22px;
    color: var(--primary-color);
}

.sample-count-badge {
    font-size: 0.76rem;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 999px;
    background: color-mix(in srgb, var(--text-main) 5%, transparent);
    color: var(--primary-color);
}

.table-responsive {
    overflow-x: auto;
}

.engagement-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
}

.engagement-table th {
    padding: 12px 14px;
    font-weight: 700;
    color: var(--text-muted, var(--text-muted));
    border-bottom: 1px solid var(--border-color, var(--border-color));
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.engagement-table td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--border-color, color-mix(in srgb, var(--text-main) 5%, transparent));
    color: var(--text-main, var(--text-main));
}

.col-video {
    width: 42%;
}

.text-center {
    text-align: center;
}

.font-numeric {
    font-weight: 700;
}

.video-inline-meta {
    display: flex;
    align-items: center;
    gap: 12px;
}

.video-inline-thumb {
    width: 64px;
    height: 36px;
    aspect-ratio: 16 / 9;
    border-radius: 6px;
    object-fit: cover;
    flex-shrink: 0;
}

.video-text-group {
    overflow: hidden;
}

.video-title-line {
    display: block;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.top-tag {
    display: inline-block;
    margin-top: 3px;
    padding: 2px 6px;
    border-radius: 4px;
    background: color-mix(in srgb, var(--warning) 15%, transparent);
    color: var(--warning);
    font-size: 0.7rem;
    font-weight: 800;
}

.rate-chip {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 999px;
    background: color-mix(in srgb, var(--text-main) 5%, transparent);
    color: var(--text-main, var(--text-main));
    font-size: 0.8rem;
    font-weight: 800;
}

.rate-chip.high-rate {
    background: color-mix(in srgb, var(--success) 15%, transparent);
    color: var(--success);
}

/* 9.4 Strategic Actionable Insights */
.strategic-insights-section {
    background: var(--card-bg, color-mix(in srgb, var(--card-bg) 60%, var(--bg-body)));
    border: 1px solid var(--border-color, color-mix(in srgb, var(--text-main) 5%, transparent));
    border-radius: 16px;
    padding: 24px;
    backdrop-filter: blur(12px);
}

.copy-action-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 8px;
    background: color-mix(in srgb, var(--text-main) 5%, transparent);
    border: 1px solid var(--border-color, var(--border-color));
    color: var(--text-main, var(--text-main));
    font-size: 0.82rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
}

.copy-action-btn:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--primary-contrast, #ffffff);
}

.insights-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.insight-row {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 16px;
    background: var(--bg-active, color-mix(in srgb, var(--text-main) 5%, transparent));
    border: 1px solid var(--border-color, color-mix(in srgb, var(--text-main) 5%, transparent));
    border-radius: 12px;
}

.insight-badge-col {
    display: flex;
    flex-direction: column;
    gap: 6px;
    width: 140px;
    flex-shrink: 0;
}

.priority-badge {
    display: inline-block;
    padding: 3px 8px;
    border-radius: 6px;
    font-size: 0.7rem;
    font-weight: 900;
    text-align: center;
}

.priority-high {
    background: color-mix(in srgb, var(--danger) 15%, transparent);
    color: var(--danger);
}

.priority-medium {
    background: color-mix(in srgb, var(--warning) 15%, transparent);
    color: var(--warning);
}

.priority-good {
    background: color-mix(in srgb, var(--success) 15%, transparent);
    color: var(--success);
}

.cat-label {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-muted, var(--text-muted));
}

.insight-body {
    flex: 1;
}

.insight-text {
    font-size: 0.88rem;
    line-height: 1.55;
    color: var(--text-main, var(--text-main));
    margin: 0;
}

/* 10. Compliance & Legal Modal (Root-Level DOM Placement) */
.custom-modal-backdrop {
    position: fixed !important;
    inset: 0 !important;
    top: 0 !important;
    left: 0 !important;
    width: 100vw !important;
    height: 100vh !important;
    z-index: 999999 !important;
    margin: 0 !important;
    padding: 20px !important;
    box-sizing: border-box !important;
    background: color-mix(in srgb, var(--card-bg) 50%, var(--bg-body)) !important;
    backdrop-filter: blur(12px) !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
}

html.modal-open,
body.modal-open {
    overflow: hidden !important;
    height: 100vh !important;
}

.custom-modal-card {
    width: 100%;
    max-width: 580px;
    background: var(--card-bg, color-mix(in srgb, var(--card-bg) 75%, var(--bg-body)));
    border: 1px solid var(--border-color, color-mix(in srgb, var(--text-main) 12%, transparent));
    border-radius: 20px;
    overflow: hidden !important;
    box-shadow: 0 24px 60px color-mix(in srgb, var(--card-bg) 50%, var(--bg-body));
    display: flex;
    flex-direction: column;
}

.modal-card-header {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color, var(--border-color));
    flex-shrink: 0;
}

.modal-header-icon {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: color-mix(in srgb, var(--success) 15%, transparent);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--success);
}

.modal-header-titles {
    flex: 1;
}

.modal-title {
    font-size: 1.15rem;
    font-weight: 800;
    margin: 0 0 2px 0;
    color: var(--text-main, var(--text-main));
}

.modal-subtitle {
    font-size: 0.8rem;
    color: var(--text-muted, var(--text-muted));
    margin: 0;
}

.modal-close-btn {
    background: none;
    border: none;
    color: var(--text-muted, var(--text-muted));
    cursor: pointer;
    padding: 6px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.modal-close-btn:hover {
    color: var(--text-main, var(--text-main));
    background: color-mix(in srgb, var(--text-main) 5%, transparent);
}

.modal-card-body {
    padding: 24px;
    overflow-y: auto !important;
    max-height: calc(85vh - 135px);
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.compliance-clause-card {
    background: color-mix(in srgb, var(--text-main) 5%, transparent);
    border: 1px solid var(--border-color, color-mix(in srgb, var(--text-main) 5%, transparent));
    border-radius: 12px;
    padding: 16px;
}

.compliance-clause-card h4 {
    font-size: 0.95rem;
    font-weight: 700;
    margin: 0 0 6px 0;
    color: var(--text-main, var(--text-main));
}

.compliance-clause-card p {
    font-size: 0.84rem;
    line-height: 1.55;
    color: var(--text-muted, var(--text-muted));
    margin: 0;
}

.modal-card-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-color, var(--border-color));
    display: flex;
    justify-content: flex-end;
    flex-shrink: 0;
}

.btn-modal-dismiss {
    padding: 8px 24px;
    border-radius: 8px;
    background: color-mix(in srgb, var(--text-main) 5%, transparent);
    border: 1px solid var(--border-color, color-mix(in srgb, var(--text-main) 12%, transparent));
    color: var(--text-main, var(--text-main));
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-modal-dismiss:hover {
    background: color-mix(in srgb, var(--text-main) 12%, transparent);
}

/* 11. Responsive Breakpoints */
@media (max-width: 992px) {
    .features-belt-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .bento-features-cluster {
        grid-template-columns: 1fr;
    }
    
    .bc-wide-top, .bc-tall, .bc-wide-mid {
        grid-column: span 1;
        grid-row: span 1;
    }

    .hub-input-controls {
        grid-template-columns: 1fr;
    }

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

    .channel-profile-strip {
        flex-direction: column;
        text-align: center;
    }

    .channel-title-row {
        justify-content: center;
    }

    .channel-quick-stats {
        justify-content: center;
    }

    .channel-grade-box {
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 1.85rem;
    }

    .features-belt-grid {
        grid-template-columns: 1fr;
    }

    .kpi-metrics-grid {
        grid-template-columns: 1fr;
    }

    .insight-row {
        flex-direction: column;
        gap: 10px;
    }

    .insight-badge-col {
        width: 100%;
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
}

.quick-chips-strip {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 10px;
    margin-bottom: 22px;
}

.quick-chips-strip.col-span-2 {
    grid-column: 1 / -1;
}

.chips-label,
.quick-chip-label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-inline-end: 4px;
    user-select: none;
}

.quick-chip-btn,
.quick-chip,
.channel-chip-btn,
.chip-btn,
.chapter-chip-btn,
.competitor-chip-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: 9999px;
    font-size: 0.8125rem;
    font-weight: 500;
    line-height: 1.4;
    background: color-mix(in srgb, var(--card-bg) 70%, var(--bg-body));
    border: 1px solid var(--border-color);
    color: var(--text-main);
    cursor: pointer;
    transition: all 0.22s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
    text-decoration: none;
    user-select: none;
    box-shadow: 0 1px 2px color-mix(in srgb, var(--border-color) 20%, transparent);
}

.quick-chip-btn:hover,
.quick-chip:hover,
.channel-chip-btn:hover,
.chip-btn:hover,
.chapter-chip-btn:hover,
.competitor-chip-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background: color-mix(in srgb, var(--primary-color) 10%, var(--card-bg));
    transform: translateY(-1px);
    box-shadow: 0 4px 12px color-mix(in srgb, var(--primary-color) 18%, transparent);
}

.quick-chip-btn:active,
.quick-chip:active,
.channel-chip-btn:active,
.chip-btn:active,
.chapter-chip-btn:active,
.competitor-chip-btn:active {
    transform: translateY(0);
    box-shadow: 0 1px 3px color-mix(in srgb, var(--primary-color) 12%, transparent);
}

.quick-chip-btn:focus-visible,
.quick-chip:focus-visible,
.channel-chip-btn:focus-visible,
.chip-btn:focus-visible,
.chapter-chip-btn:focus-visible,
.competitor-chip-btn:focus-visible {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary-color) 25%, transparent);
}