/* ==========================================================================
   SkillForge - BDJobs Style Subject & Student Talent Directory
   ========================================================================== */

:root {
    --bd-primary: #1e3a8a;
    --bd-primary-hover: #1e40af;
    --bd-accent: #0284c7;
    --bd-emerald: #059669;
    --bd-bg: #f8fafc;
    --bd-card-bg: #ffffff;
    --bd-border: #e2e8f0;
    --bd-border-hover: #cbd5e1;
    --bd-text: #0f172a;
    --bd-muted: #64748b;
}

/* Hero Section */
.bdjobs-hero {
    background: linear-gradient(135deg, #090d16 0%, #0f172a 50%, #1e1b4b 100%);
    border-radius: 20px;
    padding: 40px 36px;
    margin-bottom: 32px;
    color: #ffffff;
    position: relative;
    overflow: hidden;
    box-shadow: 0 20px 40px -15px rgba(15, 23, 42, 0.4);
}

.bdjobs-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(79, 70, 229, 0.25) 0%, transparent 70%);
    pointer-events: none;
}

.bdjobs-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 0.82rem;
    font-weight: 700;
    color: #38bdf8;
    margin-bottom: 16px;
    backdrop-filter: blur(8px);
}

.bdjobs-title {
    font-size: 2.3rem;
    font-weight: 800;
    line-height: 1.25;
    margin: 0 0 12px 0;
    color: #ffffff;
}

.bdjobs-desc {
    font-size: 1.05rem;
    color: #cbd5e1;
    max-width: 720px;
    line-height: 1.6;
    margin: 0 0 24px 0;
}

/* Category Grid (BDJobs Subject Grid) */
.subject-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.subject-card {
    background: #ffffff;
    border: 1px solid var(--bd-border);
    border-radius: 16px;
    padding: 24px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    text-decoration: none;
    color: inherit;
    position: relative;
}

.subject-card:hover {
    transform: translateY(-4px);
    border-color: #3b82f6;
    box-shadow: 0 20px 30px -10px rgba(59, 130, 246, 0.15);
}

.subject-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 14px;
}

.subject-icon-box {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: #eff6ff;
    border: 1px solid #bfdbfe;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.7rem;
}

.subject-name {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--bd-text);
    margin: 0 0 8px 0;
    line-height: 1.35;
}

.subject-summary {
    font-size: 0.9rem;
    color: var(--bd-muted);
    line-height: 1.55;
    margin-bottom: 20px;
    flex-grow: 1;
}

.subject-metrics {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    padding: 12px 14px;
    background: #f8fafc;
    border-radius: 12px;
    border: 1px solid #edf2f7;
    margin-bottom: 18px;
}

.metric-item {
    display: flex;
    flex-direction: column;
}

.metric-val {
    font-size: 1.15rem;
    font-weight: 800;
    color: #0f172a;
}

.metric-lbl {
    font-size: 0.76rem;
    color: #64748b;
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.02em;
}

/* Two-Column Candidate Directory Layout */
.bdjobs-container {
    display: grid;
    grid-template-columns: 310px 1fr;
    gap: 28px;
    align-items: start;
    margin-bottom: 50px;
}

@media (max-width: 960px) {
    .bdjobs-container {
        grid-template-columns: 1fr;
    }
}

/* Left Sidebar - BDJobs Category Switcher */
.bdjobs-sidebar {
    position: sticky;
    top: 90px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.sidebar-box {
    background: #ffffff;
    border: 1px solid var(--bd-border);
    border-radius: 16px;
    padding: 20px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.04);
}

.sidebar-title {
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--bd-text);
    margin: 0 0 14px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.category-nav-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.category-nav-item a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    border-radius: 10px;
    text-decoration: none;
    color: #334155;
    font-size: 0.92rem;
    font-weight: 600;
    transition: all 0.2s ease;
    border: 1px solid transparent;
}

.category-nav-item a:hover {
    background: #f1f5f9;
    color: #1e40af;
}

.category-nav-item.active a {
    background: #eff6ff;
    color: #1d4ed8;
    border-color: #bfdbfe;
    font-weight: 700;
}

.category-count {
    background: #e2e8f0;
    color: #475569;
    font-size: 0.78rem;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 999px;
}

.category-nav-item.active .category-count {
    background: #2563eb;
    color: #ffffff;
}

/* Candidate Card (BDJobs Format) */
.candidate-card {
    background: #ffffff;
    border: 1px solid var(--bd-border);
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 20px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.04);
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.candidate-card:hover {
    border-color: #93c5fd;
    box-shadow: 0 12px 24px -6px rgba(59, 130, 246, 0.12);
}

.candidate-top {
    display: flex;
    gap: 18px;
    align-items: flex-start;
}

.candidate-avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, #4f46e5 0%, #3b82f6 100%);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
    flex-shrink: 0;
    box-shadow: 0 4px 10px rgba(79, 70, 229, 0.25);
    border: 3px solid #ffffff;
}

.candidate-info {
    flex-grow: 1;
}

.candidate-name-row {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 4px;
}

.candidate-name {
    font-size: 1.25rem;
    font-weight: 800;
    color: #0f172a;
    margin: 0;
}

.candidate-username {
    font-size: 0.85rem;
    color: #64748b;
}

.candidate-headline {
    font-size: 0.95rem;
    color: #334155;
    font-weight: 600;
    margin: 4px 0 8px 0;
    line-height: 1.4;
}

.candidate-meta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    font-size: 0.84rem;
    color: #64748b;
}

.candidate-meta span {
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.candidate-skills-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 10px;
}

.skill-tag {
    background: #f1f5f9;
    border: 1px solid #e2e8f0;
    color: #334155;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 600;
}

/* Enrolled & Completed Subject Courses */
.subject-courses-section {
    background: #f8fafc;
    border: 1px solid #edf2f7;
    border-radius: 12px;
    padding: 14px 18px;
}

.course-progress-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid #e2e8f0;
}

.course-progress-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.course-progress-item:first-child {
    padding-top: 0;
}

.candidate-actions {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
    border-top: 1px solid #f1f5f9;
    padding-top: 16px;
}