/* 
   Smart Recommendations & Contextual Flow System
   Enhanced User Journey, Pageview & AdSense Impression Booster
*/

:root {
    --rec-card-bg: hsl(0, 0%, 100%);
    --rec-card-border: hsl(220, 15%, 90%);
    --rec-card-hover-border: hsl(230, 85%, 65%);
    --rec-card-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    --rec-card-hover-shadow: 0 12px 30px rgba(37, 99, 235, 0.12);
    --rec-tag-bg: hsla(230, 85%, 60%, 0.1);
    --rec-tag-text: hsl(230, 85%, 55%);
    --rec-bar-bg: rgba(255, 255, 255, 0.95);
    --rec-bar-border: hsl(220, 15%, 88%);
}

[data-theme="dark"] {
    --rec-card-bg: hsl(223, 47%, 15%);
    --rec-card-border: hsl(223, 30%, 24%);
    --rec-card-hover-border: hsl(215, 90%, 60%);
    --rec-card-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
    --rec-card-hover-shadow: 0 12px 32px rgba(37, 99, 235, 0.25);
    --rec-tag-bg: hsla(215, 90%, 60%, 0.18);
    --rec-tag-text: hsl(215, 90%, 70%);
    --rec-bar-bg: rgba(15, 23, 42, 0.92);
    --rec-bar-border: hsl(223, 30%, 28%);
}

/* ==========================================================
   1. In-Page Recommendation Section
   ========================================================== */
.smart-recommend-section {
    margin: 48px auto;
    padding: 32px 28px;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.04) 0%, rgba(14, 165, 233, 0.04) 100%);
    border-radius: var(--radius-lg, 20px);
    border: 1px solid var(--rec-card-border);
    position: relative;
    overflow: hidden;
}

.smart-recommend-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 6px;
    height: 100%;
    background: linear-gradient(180deg, var(--primary, #2563eb), var(--secondary, #0ea5e9));
}

.recommend-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 12px;
}

.recommend-title-group {
    max-width: 720px;
}

.recommend-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    color: var(--rec-tag-text);
    background: var(--rec-tag-bg);
    padding: 5px 12px;
    border-radius: 999px;
    margin-bottom: 8px;
}

.recommend-title {
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--text-main, #1e293b);
    line-height: 1.35;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.recommend-subtitle {
    font-size: 0.92rem;
    color: var(--text-muted, #64748b);
    margin-top: 6px;
    line-height: 1.5;
}

/* Grid of Cards */
.recommend-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 18px;
}

.recommend-card {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    background: var(--rec-card-bg);
    border: 1px solid var(--rec-card-border);
    border-radius: var(--radius-md, 16px);
    padding: 22px 20px;
    text-decoration: none !important;
    color: inherit;
    box-shadow: var(--rec-card-shadow);
    transition: all 0.28s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}

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

.card-top {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 14px;
}

.card-icon-wrapper {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1) 0%, rgba(14, 165, 233, 0.15) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.45rem;
    flex-shrink: 0;
}

.card-meta {
    flex: 1;
}

.card-step-tag {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--rec-tag-text);
    background: var(--rec-tag-bg);
    padding: 2px 8px;
    border-radius: 6px;
    display: inline-block;
    margin-bottom: 4px;
}

.card-tool-name {
    font-size: 1.08rem;
    font-weight: 700;
    color: var(--text-main, #1e293b);
    line-height: 1.3;
    margin: 0;
}

.card-question {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--primary, #2563eb);
    margin: 8px 0 6px 0;
    line-height: 1.4;
}

.card-desc {
    font-size: 0.85rem;
    color: var(--text-muted, #64748b);
    line-height: 1.55;
    margin: 0;
    flex: 1;
}

.card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 18px;
    padding-top: 14px;
    border-top: 1px dashed var(--rec-card-border);
}

.card-cta-label {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--primary, #2563eb);
    display: flex;
    align-items: center;
    gap: 6px;
    transition: gap 0.2s ease;
}

.recommend-card:hover .card-cta-label {
    gap: 10px;
}

.card-badge-pill {
    font-size: 0.72rem;
    padding: 3px 8px;
    border-radius: 999px;
    background: rgba(16, 185, 129, 0.12);
    color: #10b981;
    font-weight: 700;
}

/* ==========================================================
   2. Floating Smart Action Bar (Bottom slide-in)
   ========================================================== */
.smart-floating-bar {
    position: fixed;
    bottom: calc(24px + var(--adsense-anchor-offset, 0px) + env(safe-area-inset-bottom, 0px));
    left: 50%;
    transform: translateX(-50%) translateY(140%);
    z-index: 990;
    width: calc(100% - 36px);
    max-width: 680px;
    background: var(--rec-bar-bg);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid var(--rec-bar-border);
    border-radius: 18px;
    box-shadow: 0 12px 36px rgba(0, 0, 0, 0.18);
    padding: 12px 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    transition: transform 0.45s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease, bottom 0.3s ease;
    opacity: 0;
    pointer-events: none;
}

.smart-floating-bar.active {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
    pointer-events: auto;
}

.floating-left {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
    min-width: 0;
}

.floating-icon {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary, #2563eb), var(--secondary, #0ea5e9));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.floating-text-group {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.floating-subtext {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--primary, #2563eb);
    letter-spacing: 0.3px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.floating-title {
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--text-main, #1e293b);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-top: 1px;
}

.floating-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.floating-action-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: linear-gradient(135deg, var(--primary, #2563eb), hsl(230, 85%, 52%));
    color: #ffffff !important;
    font-size: 0.85rem;
    font-weight: 700;
    border-radius: 10px;
    text-decoration: none !important;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.28);
    transition: all 0.2s ease;
}

.floating-action-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(37, 99, 235, 0.4);
}

.floating-close-btn {
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--text-muted, #94a3b8);
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: all 0.2s;
}

.floating-close-btn:hover {
    background: rgba(0, 0, 0, 0.08);
    color: var(--text-main, #1e293b);
}

[data-theme="dark"] .floating-close-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* ==========================================================
   Responsive Adjustments
   ========================================================== */
@media (max-width: 768px) {
    .smart-recommend-section {
        margin: 36px 0;
        padding: 24px 18px;
        border-radius: 16px;
    }

    .recommend-title {
        font-size: 1.18rem;
    }

    .recommend-cards-grid {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .recommend-card {
        padding: 18px 16px;
    }

    .smart-floating-bar {
        bottom: 16px;
        padding: 10px 14px;
        width: calc(100% - 24px);
    }

    .floating-title {
        font-size: 0.85rem;
        max-width: 170px;
    }

    .floating-action-btn {
        padding: 7px 12px;
        font-size: 0.8rem;
    }
}