/* ==========================================================================
   GuinRank V7 - YouTube Best Upload Time & Day Planner (best-time-to-post.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
   ========================================================================== */

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

.best-time-to-post-container.rtl {
    direction: rtl;
    text-align: right;
}

.best-time-to-post-container.ltr {
    direction: ltr;
    text-align: left;
}

/* Wide Mode Support */
.best-time-to-post-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: 36px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border-radius: 999px;
    background: var(--primary-light, color-mix(in srgb, var(--primary-color) 12%, transparent));
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.3px;
    margin-bottom: 16px;
}

.hero-badge .badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--primary-color);
}

.hero-badge-icon {
    width: 14px;
    height: 14px;
}

.hero-title {
    font-size: 2.25rem;
    font-weight: 800;
    line-height: 1.25;
    margin: 0 0 14px 0;
    color: var(--text-main);
}

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

.hero-description {
    max-width: 720px;
    margin: 0 auto 24px auto;
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-muted, var(--text-muted));
}

.hero-features-belt {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 16px;
}

.belt-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border-radius: 8px;
    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));
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-muted, var(--border-color));
}

.belt-icon {
    width: 15px;
    height: 15px;
    color: var(--primary-color, var(--primary-color));
}

/* 6. Unified Command Hub & Input Bar */
.unified-command-hub {
    position: relative;
    z-index: 100;
    margin-bottom: 40px;
}

.command-bar-wrapper {
    position: relative;
    z-index: 100;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    border-radius: 16px;
    background: var(--card-bg, color-mix(in srgb, var(--card-bg) 80%, var(--bg-body)));
    border: 1px solid var(--border-color, color-mix(in srgb, var(--text-main) 12%, transparent));
    backdrop-filter: blur(16px);
    transition: all 0.25s ease;
    flex-wrap: wrap;
}

.command-bar-wrapper.is-focused,
.command-bar-wrapper:focus-within {
    border-color: var(--primary-color, var(--primary-color));
    box-shadow: 0 0 25px color-mix(in srgb, var(--primary-color) 20%, transparent);
}

/* Channel Switcher */
.channel-switcher-wrapper {
    position: relative;
    z-index: 110;
}

.channel-dropdown-trigger {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 7px 12px;
    border-radius: 10px;
    background: color-mix(in srgb, var(--text-main) 5%, transparent);
    border: 1px solid color-mix(in srgb, var(--text-main) 5%, transparent);
    color: var(--text-main, var(--text-main));
    font-size: 0.88rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.channel-dropdown-trigger:hover {
    background: var(--border-color);
    border-color: var(--primary-color, var(--primary-color));
}

.channel-avatar-micro {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    object-fit: cover;
}

.channel-trigger-name {
    max-width: 150px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.dropdown-chevron-icon {
    width: 14px;
    height: 14px;
    opacity: 0.7;
}

.channel-dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    z-index: 99999;
    width: 290px;
    max-height: 320px;
    overflow-y: auto;
    background: var(--card-bg, var(--card-bg));
    border: 1px solid var(--border-color, color-mix(in srgb, var(--text-main) 12%, transparent));
    border-radius: 12px;
    padding: 6px;
    box-shadow: 0 16px 36px color-mix(in srgb, var(--card-bg) 50%, var(--bg-body));
    backdrop-filter: blur(20px);
}

.rtl .channel-dropdown-menu {
    left: auto;
    right: 0;
}

.dropdown-header-strip {
    padding: 6px 10px 4px 10px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-muted, var(--text-muted));
    letter-spacing: 0.5px;
}

.dropdown-empty-state {
    padding: 16px 12px;
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-muted, var(--text-muted));
}

.dropdown-channel-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 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) 15%, transparent);
    border: 1px solid color-mix(in srgb, var(--primary-color) 30%, transparent);
}

.row-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    object-fit: cover;
}

.row-meta {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.row-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-main, var(--text-main));
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.row-handle {
    font-size: 0.75rem;
    color: var(--text-muted, var(--text-muted));
}

.row-check-badge {
    color: var(--primary-color, var(--primary-color));
}

.row-check-badge i {
    width: 16px;
    height: 16px;
}

/* Hub Selectors Group */
.hub-selectors-group {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
    flex-wrap: wrap;
}

.hub-select-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 160px;
}

.hub-select-label {
    font-size: 0.74rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    color: var(--text-muted, var(--text-muted));
}

.hub-native-select {
    height: 38px;
    padding: 6px 12px;
    border-radius: 8px;
    background: color-mix(in srgb, var(--text-main) 5%, transparent);
    border: 1px solid var(--border-color);
    color: var(--text-main, var(--text-main));
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    outline: none;
    transition: all 0.2s ease;
}

.hub-native-select:focus {
    border-color: var(--primary-color, var(--primary-color));
}

.format-toggle-pills {
    display: inline-flex;
    background: color-mix(in srgb, var(--text-main) 5%, transparent);
    border: 1px solid color-mix(in srgb, var(--text-main) 5%, transparent);
    border-radius: 8px;
    padding: 3px;
    gap: 4px;
}

.format-pill-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    border-radius: 6px;
    background: transparent;
    border: none;
    color: var(--text-muted, var(--text-muted));
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.format-pill-btn i {
    width: 14px;
    height: 14px;
}

.format-pill-btn.is-active {
    background: var(--primary-color);
    color: var(--primary-contrast, #ffffff);
    box-shadow: 0 2px 8px var(--primary-shadow, color-mix(in srgb, var(--primary-color) 35%, transparent));
}

/* Command Action Button */
.command-action-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: 10px;
    background: var(--primary-color);
    border: none;
    color: var(--primary-contrast, #ffffff);
    font-size: 0.92rem;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 4px 16px var(--primary-shadow, color-mix(in srgb, var(--primary-color) 35%, transparent));
    transition: all 0.25s ease;
    white-space: nowrap;
    margin-left: auto;
}

.command-action-btn:hover:not(:disabled) {
    background: var(--primary-hover, var(--warning));
    transform: translateY(-1px);
}

.rtl .command-action-btn {
    margin-left: 0;
    margin-right: auto;
}

.command-action-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px color-mix(in srgb, var(--primary-color) 45%, transparent);
}

.command-action-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-action-icon {
    width: 17px;
    height: 17px;
}

.credit-cost-pill {
    padding: 2px 8px;
    border-radius: 6px;
    background: color-mix(in srgb, var(--border-color) 60%, transparent);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.2px;
}

.btn-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid var(--border-color);
    border-top-color: var(--text-main);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

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

.command-error-banner {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 12px;
    padding: 10px 14px;
    border-radius: 8px;
    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;
}

.command-error-banner i {
    width: 16px;
    height: 16px;
}

.close-err-btn {
    background: transparent;
    border: none;
    color: inherit;
    font-size: 1.2rem;
    margin-left: auto;
    cursor: pointer;
}

.rtl .close-err-btn {
    margin-left: 0;
    margin-right: auto;
}

/* 7. Bento Cards Showcase */
.console-features {
    max-width: 1200px;
    margin: 0 auto 48px;
    position: relative;
    z-index: 2;
}

.bento-features-cluster {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.bento-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 18px;
    padding: 24px;
    position: relative;
    overflow: hidden;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 12px color-mix(in srgb, var(--border-color) 20%, transparent);
}

.bento-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: 0 12px 28px color-mix(in srgb, var(--border-color) 20%, transparent);
}

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

.bc-tall {
    grid-row: span 2;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

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

.bento-decor-icon {
    position: absolute;
    top: 14px;
    inset-inline-end: 16px;
    opacity: 0.12;
    color: var(--primary-color);
    font-size: 28px;
}

.dashed-ring-wrapper {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: var(--primary-light, color-mix(in srgb, var(--primary-color) 12%, transparent));
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    color: var(--primary-color);
}

.bc-icon-wrapper svg {
    width: 22px;
    height: 22px;
}

.bc-title {
    font-size: 16px;
    font-weight: 800;
    color: var(--text-main);
    margin-bottom: 8px;
}

.bc-desc {
    font-size: 13px;
    line-height: 1.6;
    color: var(--text-muted);
}

/* 8. Results Workspace */
.timing-results-workspace {
    display: flex;
    flex-direction: column;
    gap: 32px;
    animation: fadeIn 0.4s ease forwards;
}

/* Countdown Hero Banner */
.countdown-hero-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 24px 28px;
    border-radius: 16px;
    background: linear-gradient(135deg, color-mix(in srgb, var(--primary-color) 16%, transparent) 0%, color-mix(in srgb, var(--primary-hover, var(--warning)) 10%, transparent) 100%);
    border: 1px solid color-mix(in srgb, var(--primary-color) 35%, transparent);
    flex-wrap: wrap;
}

.countdown-lead {
    flex: 1;
    min-width: 280px;
}

.live-pulse-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success);
    box-shadow: 0 0 10px var(--success);
    margin-right: 8px;
}

.rtl .live-pulse-dot {
    margin-right: 0;
    margin-left: 8px;
}

.countdown-tag {
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: var(--primary-color);
}

.countdown-target-time {
    font-size: 1.6rem;
    font-weight: 800;
    margin: 8px 0 6px 0;
    color: var(--text-main, var(--text-main));
}

.countdown-buffer-tip {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.84rem;
    color: var(--text-muted, var(--border-color));
    margin: 0;
}

.countdown-buffer-tip i {
    width: 14px;
    height: 14px;
    color: var(--warning);
}

.countdown-clock-wrapper {
    display: flex;
    align-items: center;
    gap: 16px;
}

.clock-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 10px 18px;
    border-radius: 12px;
    background: color-mix(in srgb, var(--border-color) 80%, transparent);
    border: 1px solid var(--border-color);
}

.clock-val {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-color);
}

.clock-lbl {
    font-size: 0.72rem;
    color: var(--text-muted, var(--text-muted));
    text-transform: uppercase;
    font-weight: 600;
}

.window-score-badge {
    display: flex;
    align-items: baseline;
    gap: 4px;
    padding: 10px 18px;
    border-radius: 12px;
    background: color-mix(in srgb, var(--warning) 15%, transparent);
    border: 1px solid color-mix(in srgb, var(--warning) 35%, transparent);
}

.score-num {
    font-size: 1.7rem;
    font-weight: 800;
    color: var(--warning);
}

.score-lbl {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted, var(--border-color));
}

/* Section Strip */
.section-strip {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 18px;
    flex-wrap: wrap;
    gap: 12px;
}

.section-title {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 1.3rem;
    font-weight: 700;
    margin: 0;
    color: var(--text-main, var(--text-main));
}

.section-icon {
    width: 20px;
    height: 20px;
    color: var(--primary-color, var(--primary-color));
}

.section-subtitle {
    font-size: 0.85rem;
    color: var(--text-muted, var(--text-muted));
    margin: 4px 0 0 0;
}

.timezone-chip {
    padding: 4px 12px;
    border-radius: 999px;
    background: color-mix(in srgb, var(--text-main) 5%, transparent);
    border: 1px solid var(--border-color);
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-muted, var(--border-color));
}

/* Top Windows Grid */
.windows-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

@media (max-width: 900px) {
    .windows-grid {
        grid-template-columns: 1fr;
    }
}

.window-card {
    border-radius: 16px;
    padding: 22px;
    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));
    display: flex;
    flex-direction: column;
    gap: 14px;
    transition: all 0.25s ease;
}

.window-card.badge-gold {
    border-color: color-mix(in srgb, var(--warning) 40%, transparent);
    background: linear-gradient(135deg, color-mix(in srgb, var(--warning) 08%, transparent) 0%, color-mix(in srgb, var(--card-bg) 60%, var(--bg-body)) 100%);
}

.window-card.badge-silver {
    border-color: color-mix(in srgb, var(--text-muted) 35%, transparent);
}

.window-card.badge-bronze {
    border-color: color-mix(in srgb, var(--warning) 30%, transparent);
}

.window-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.rank-badge {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-main, var(--text-main));
}

.window-score-pill {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    border-radius: 999px;
    background: color-mix(in srgb, var(--warning) 15%, transparent);
    border: 1px solid color-mix(in srgb, var(--warning) 30%, transparent);
    color: var(--warning);
    font-size: 0.78rem;
    font-weight: 700;
}

.window-score-pill i {
    width: 13px;
    height: 13px;
}

.window-timing-specs {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 12px;
    border-radius: 10px;
    background: color-mix(in srgb, var(--border-color) 60%, transparent);
    border: 1px solid color-mix(in srgb, var(--text-main) 5%, transparent);
}

.spec-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
}

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

.spec-val {
    font-weight: 600;
    color: var(--text-main, var(--text-main));
}

.spec-val.highlight-val {
    color: var(--primary-color);
    font-weight: 700;
}

.window-rationale {
    font-size: 0.85rem;
    line-height: 1.5;
    color: var(--text-muted, var(--border-color));
    margin: 0;
}

/* 7x24 Diurnal Heatmap Table */
.diurnal-heatmap-section {
    border-radius: 16px;
    padding: 24px;
    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));
}

.heatmap-legend {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.legend-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.78rem;
    color: var(--text-muted, var(--text-muted));
}

.legend-swatch {
    width: 14px;
    height: 14px;
    border-radius: 4px;
}

.legend-swatch.peak { background: var(--warning); box-shadow: 0 0 6px color-mix(in srgb, var(--warning) 60%, transparent); }
.legend-swatch.high { background: var(--primary-color); }
.legend-swatch.moderate { background: color-mix(in srgb, var(--primary-color) 40%, var(--card-bg)); }
.legend-swatch.low { background: color-mix(in srgb, var(--primary-color) 15%, var(--card-bg)); }

.heatmap-table-wrapper {
    overflow-x: auto;
    margin-top: 14px;
    padding-bottom: 8px;
}

.heatmap-table {
    width: 100%;
    min-width: 820px;
    border-collapse: separate;
    border-spacing: 4px;
}

.heatmap-table th {
    padding: 6px 4px;
    font-size: 0.74rem;
    font-weight: 600;
    color: var(--text-muted, var(--text-muted));
    text-align: center;
}

.day-col-header {
    text-align: left !important;
    min-width: 120px;
}

.rtl .day-col-header {
    text-align: right !important;
}

.day-name-cell {
    padding: 6px 8px;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-main, var(--text-main));
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.day-grade-chip {
    padding: 2px 6px;
    border-radius: 4px;
    background: var(--primary-light, color-mix(in srgb, var(--primary-color) 8%, transparent));
    font-size: 0.72rem;
    color: var(--primary-color);
}

.heatmap-cell {
    height: 38px;
    text-align: center;
    vertical-align: middle;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    position: relative;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.heatmap-cell:hover {
    transform: scale(1.18);
    z-index: 10;
    box-shadow: 0 4px 12px color-mix(in srgb, var(--card-bg) 50%, var(--bg-body));
}

.heatmap-cell.peak {
    background: linear-gradient(135deg, var(--warning) 0%, var(--warning) 100%);
    color: var(--bg-body);
    font-weight: 800;
    box-shadow: 0 0 8px color-mix(in srgb, var(--warning) 40%, transparent);
}

.heatmap-cell.high {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover, var(--warning)) 100%);
    color: var(--text-main);
}

.heatmap-cell.moderate {
    background: color-mix(in srgb, var(--primary-color) 35%, var(--card-bg));
    color: var(--text-main);
}

.heatmap-cell.low {
    background: color-mix(in srgb, var(--primary-color) 12%, var(--card-bg));
    color: var(--text-muted);
}

.cell-star {
    font-size: 0.68rem;
    margin-left: 2px;
}

/* Days Summary Grid */
.days-summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 16px;
}

.day-summary-card {
    border-radius: 12px;
    padding: 16px;
    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));
}

.day-summary-card .card-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.day-summary-card .day-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-main, var(--text-main));
}

.grade-pill {
    padding: 2px 8px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 700;
}

.grade-pill.grade-A\+, .grade-pill.grade-A {
    background: color-mix(in srgb, var(--success) 15%, transparent);
    color: var(--success);
    border: 1px solid color-mix(in srgb, var(--success) 35%, transparent);
}

.grade-pill.grade-B {
    background: color-mix(in srgb, var(--primary-color) 15%, transparent);
    color: var(--primary-color);
    border: 1px solid color-mix(in srgb, var(--primary-color) 35%, transparent);
}

.grade-pill.grade-C {
    background: color-mix(in srgb, var(--text-muted) 15%, transparent);
    color: var(--text-muted);
}

.card-body-specs {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.card-body-specs .spec-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.82rem;
}

.card-body-specs .lbl {
    color: var(--text-muted, var(--text-muted));
}

.card-body-specs .val {
    font-weight: 600;
    color: var(--text-main, var(--text-main));
}

/* Strategic Timing Playbook */
.strategy-playbook-section {
    border-radius: 16px;
    padding: 24px;
    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));
}

.copy-action-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: 8px;
    background: color-mix(in srgb, var(--text-main) 5%, transparent);
    border: 1px solid var(--border-color);
    color: var(--text-main, var(--text-main));
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.copy-action-btn:hover {
    background: color-mix(in srgb, var(--text-main) 12%, transparent);
    border-color: var(--primary-color, var(--primary-color));
}

.copy-action-btn i {
    width: 14px;
    height: 14px;
}

.playbook-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 14px;
}

.playbook-item-row {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    padding: 12px 14px;
    border-radius: 10px;
    background: color-mix(in srgb, var(--border-color) 60%, transparent);
    border: 1px solid color-mix(in srgb, var(--text-main) 5%, transparent);
}

.playbook-badge {
    padding: 3px 8px;
    border-radius: 6px;
    background: color-mix(in srgb, var(--primary-color) 18%, transparent);
    color: var(--primary-color, var(--primary-color));
    font-size: 0.72rem;
    font-weight: 700;
    white-space: nowrap;
}

.playbook-text {
    margin: 0;
    font-size: 0.86rem;
    line-height: 1.55;
    color: var(--text-main, var(--text-main));
}

/* 9. Root-Level Viewport Escaping Modal */
html.modal-open, body.modal-open {
    overflow: hidden !important;
    height: 100vh !important;
}

.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;
    background: color-mix(in srgb, var(--card-bg) 50%, var(--bg-body)) !important;
    backdrop-filter: blur(14px) !important;
    display: flex;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
}

.custom-modal-card {
    width: 100%;
    max-width: 580px;
    border-radius: 18px;
    background: var(--card-bg, var(--card-bg));
    border: 1px solid var(--border-color, color-mix(in srgb, var(--text-main) 12%, transparent));
    box-shadow: 0 25px 60px color-mix(in srgb, var(--card-bg) 50%, var(--bg-body));
    overflow: hidden !important;
    display: flex;
    flex-direction: column;
}

.modal-card-header {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 18px 24px;
    border-bottom: 1px solid var(--border-color, color-mix(in srgb, var(--text-main) 5%, transparent));
}

.modal-header-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: color-mix(in srgb, var(--success) 12%, transparent);
    color: var(--success);
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-header-icon i {
    width: 20px;
    height: 20px;
}

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

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

.modal-subtitle {
    font-size: 0.78rem;
    color: var(--text-muted, var(--text-muted));
    margin: 2px 0 0 0;
}

.modal-close-btn {
    background: transparent;
    border: none;
    color: var(--text-muted, var(--text-muted));
    cursor: pointer;
    padding: 4px;
    border-radius: 6px;
    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-close-btn i {
    width: 18px;
    height: 18px;
}

.modal-card-body {
    padding: 20px 24px;
    overflow-y: auto !important;
    max-height: calc(85vh - 135px);
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.compliance-clause-card {
    padding: 14px;
    border-radius: 10px;
    background: color-mix(in srgb, var(--text-main) 5%, transparent);
    border: 1px solid color-mix(in srgb, var(--text-main) 5%, transparent);
}

.compliance-clause-card h4 {
    font-size: 0.9rem;
    font-weight: 700;
    margin: 0 0 6px 0;
    color: var(--success);
}

.compliance-clause-card p {
    font-size: 0.82rem;
    line-height: 1.55;
    color: var(--text-muted, var(--text-muted));
    margin: 0;
}

.modal-card-footer {
    flex-shrink: 0;
    padding: 14px 24px;
    border-top: 1px solid var(--border-color, color-mix(in srgb, var(--text-main) 5%, transparent));
    display: flex;
    justify-content: flex-end;
}

.btn-modal-dismiss {
    padding: 8px 18px;
    border-radius: 8px;
    background: color-mix(in srgb, var(--text-main) 5%, transparent);
    border: 1px solid color-mix(in srgb, var(--text-main) 12%, transparent);
    color: var(--text-main, var(--text-main));
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

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

/* ==========================================================================
   GuinRank V7 - Universal Quick Benchmark & Sample Chips Design System
   100% Pure Theme Variables (:root) - Certified across All 4 Themes
   ========================================================================== */
.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);
}