/* =============================================
   GUIDES PAGE - Guide Selector & Interview Guide
   ============================================= */

/* Guide Selector Section */
.guide-selector-section {
    padding: 0 0 2rem;
}

.guide-selector-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1.25rem;
    max-width: 1400px;
    margin: 0 auto;
}

.guide-selector-card {
    --border-width: 2px;
    --card-radius: 16px;
    --shine-duration: 14s;
    --shine-color: radial-gradient(transparent, transparent, #3b82f6, #1e3a8a, transparent, transparent);
    background: var(--bg-card);
    border: var(--border-width) solid var(--border);
    border-radius: var(--card-radius);
    padding: 1.5rem;
    cursor: pointer;
    text-align: left;
    transition: transform 0.3s cubic-bezier(.4,0,.2,1), box-shadow 0.3s cubic-bezier(.4,0,.2,1), border-color 0.3s;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    position: relative;
    overflow: hidden;
    font-family: inherit;
    color: var(--text-primary);
    z-index: 2;
}

/* ShineBorder via mask technique */
.guide-selector-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: var(--border-width);
    background-image: var(--shine-color);
    background-size: 300% 300%;
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
    z-index: 0;
    opacity: 0;
    transition: opacity 0.4s ease;
    animation: shine var(--shine-duration) linear infinite;
}

/* Card content above shine layer */
.guide-selector-card .guide-selector-icon,
.guide-selector-card .guide-selector-text,
.guide-selector-card .guide-selector-stats {
    position: relative;
    z-index: 1;
}

.guide-selector-card:hover {
    border-color: transparent;
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(26,58,143,0.13);
}

.guide-selector-card:hover::before {
    opacity: 1;
}

.guide-selector-card.active {
    border-color: var(--accent, #3b82f6);
    background: linear-gradient(135deg, rgba(26,58,143,0.08) 0%, rgba(0,210,160,0.05) 100%);
    box-shadow: 0 8px 32px rgba(26,58,143,0.18);
}

.guide-selector-card.active:hover {
    border-color: transparent;
}

.guide-selector-card.active::before {
    background-image: radial-gradient(transparent, transparent, #3b82f6, #00d2a0, transparent, transparent);
}

.guide-selector-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.guide-selector-icon.interview-icon {
    background: linear-gradient(135deg, rgba(26,58,143,0.15), rgba(36,80,184,0.1));
    color: var(--accent-light);
}

.guide-selector-icon.ib-icon {
    background: linear-gradient(135deg, rgba(0,210,160,0.15), rgba(0,184,140,0.1));
    color: #00d2a0;
}

.guide-selector-icon.internship-icon {
    background: linear-gradient(135deg, rgba(247,183,49,0.15), rgba(243,156,18,0.1));
    color: #f7b731;
}

.guide-selector-icon.tips-icon {
    background: linear-gradient(135deg, rgba(36,80,184,0.15), rgba(26,58,143,0.1));
    color: #2450b8;
}

.guide-selector-icon.coffee-icon {
    background: linear-gradient(135deg, rgba(255,154,139,0.15), rgba(255,118,117,0.1));
    color: #ff9a8b;
}

.guide-selector-text h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin: 0 0 0.25rem;
    color: var(--text-primary);
}

.guide-selector-text p {
    font-size: 0.82rem;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.5;
}

.guide-selector-stats {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.guide-stat-pill {
    font-size: 0.72rem;
    font-weight: 600;
    padding: 0.25rem 0.65rem;
    border-radius: 20px;
    background: rgba(26,58,143,0.12);
    color: var(--accent-light);
    letter-spacing: 0.02em;
}

.guide-stat-pill.green {
    background: var(--green-bg, rgba(0,210,160,0.12));
    color: var(--green);
}

.guide-stat-pill.orange {
    background: var(--orange-bg, rgba(247,183,49,0.12));
    color: var(--orange);
}

.guide-stat-pill.coral {
    background: var(--red-bg, rgba(255,154,139,0.12));
    color: var(--red);
}

/* ShineBorder Keyframe Animation */
@keyframes shine {
    0% { background-position: 0% center; }
    100% { background-position: 200% center; }
}

/* Guide Content Wrappers */
.guide-content-wrapper {
    display: none;
}

.guide-content-wrapper.active {
    display: block;
}

/* =============================================
   INTERVIEW GUIDE SPECIFIC STYLES
   ============================================= */

/* Interview Hero Stats */
.interview-guide-hero-stats {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}

.interview-guide-hero-stat {
    text-align: center;
}

.interview-guide-hero-stat .stat-num {
    display: block;
    font-size: 1.75rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent-light), var(--green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.interview-guide-hero-stat .stat-num.purple { background: linear-gradient(135deg, var(--accent), var(--accent-dim)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.interview-guide-hero-stat .stat-num.green { background: linear-gradient(135deg, var(--green), #00b88c); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.interview-guide-hero-stat .stat-num.orange { background: linear-gradient(135deg, var(--orange), #f39c12); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.interview-guide-hero-stat .stat-num.coral { background: linear-gradient(135deg, var(--red), #fad0c4); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }

.interview-guide-hero-stat .stat-label {
    font-size: 0.78rem;
    color: var(--text-secondary);
    font-weight: 500;
    letter-spacing: 0.03em;
}

/* Interview Tab Nav */
.interview-tab-nav {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    justify-content: center;
    padding: 1.5rem 0;
}

.interview-tab-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 1rem;
    border: 1.5px solid var(--border);
    border-radius: 10px;
    background: var(--bg-card);
    color: var(--text-secondary);
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.25s;
    font-family: inherit;
}

.interview-tab-btn:hover {
    border-color: var(--accent-light);
    color: var(--accent-light);
    background: rgba(26,58,143,0.06);
}

.interview-tab-btn.active {
    border-color: var(--accent);
    background: rgba(26,58,143,0.12);
    color: var(--accent-light);
}

.interview-tab-btn .btn-count {
    font-size: 0.68rem;
    background: rgba(26,58,143,0.15);
    color: var(--accent-light);
    padding: 0.1rem 0.4rem;
    border-radius: 6px;
    font-weight: 700;
}

/* Interview Category Sections */
.interview-category-section {
    display: none;
    padding: 1rem 0 3rem;
}

.interview-category-section.active {
    display: block;
}

.interview-category-header {
    text-align: center;
    margin-bottom: 2rem;
}

.interview-category-header h2 {
    font-size: 1.6rem;
    font-weight: 800;
    margin: 0 0 0.5rem;
}

.interview-category-header p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Interview Tip Cards */
.interview-tip-box {
    background: linear-gradient(135deg, rgba(26,58,143,0.08), rgba(0,210,160,0.05));
    border: 1px solid rgba(26,58,143,0.2);
    border-radius: 14px;
    padding: 1.25rem 1.5rem;
    margin-bottom: 2rem;
}

.interview-tip-box h4 {
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--accent-light);
    margin: 0 0 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.interview-tip-box p, .interview-tip-box ul {
    font-size: 0.82rem;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.65;
}

.interview-tip-box ul {
    padding-left: 1.2rem;
    margin-top: 0.4rem;
}

.interview-tip-box li {
    margin-bottom: 0.25rem;
}

/* Q&A Cards - reuse ib-qa-card pattern */
.int-qa-card {
    border: 1px solid var(--border);
    border-radius: 12px;
    margin-bottom: 0.75rem;
    overflow: hidden;
    transition: all 0.25s;
    background: var(--bg-card);
}

.int-qa-card:hover {
    border-color: rgba(26,58,143,0.3);
}

.int-qa-card.open {
    border-color: var(--accent);
    box-shadow: 0 4px 20px rgba(26,58,143,0.1);
}

.int-qa-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    cursor: pointer;
    user-select: none;
}

.int-qa-num {
    min-width: 30px;
    height: 30px;
    border-radius: 8px;
    background: linear-gradient(135deg, rgba(26,58,143,0.12), rgba(36,80,184,0.08));
    color: var(--accent-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    flex-shrink: 0;
}

.int-qa-question {
    flex: 1;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.4;
}

.int-qa-difficulty {
    font-size: 0.65rem;
    font-weight: 700;
    padding: 0.15rem 0.5rem;
    border-radius: 6px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    flex-shrink: 0;
}

.int-qa-difficulty.easy { background: rgba(0,210,160,0.12); color: #00d2a0; }
.int-qa-difficulty.medium { background: rgba(247,183,49,0.12); color: #f7b731; }
.int-qa-difficulty.hard { background: rgba(255,107,107,0.12); color: #ff6b6b; }

.int-qa-toggle {
    color: var(--text-muted);
    transition: transform 0.25s;
    flex-shrink: 0;
}

.int-qa-card.open .int-qa-toggle {
    transform: rotate(180deg);
}

.int-qa-answer {
    display: none;
    padding: 0 1.25rem 1.25rem;
    padding-left: calc(1.25rem + 30px + 0.75rem);
}

.int-qa-card.open .int-qa-answer {
    display: block;
}

.int-qa-answer p {
    font-size: 0.84rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin: 0 0 0.75rem;
}

.int-qa-answer p:last-child {
    margin-bottom: 0;
}

.int-qa-answer strong {
    color: var(--text-primary);
    font-weight: 600;
}

.int-qa-answer .answer-label {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--accent-light);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 0.5rem;
    display: block;
}

.int-qa-answer .sample-answer {
    background: rgba(26,58,143,0.06);
    border-left: 3px solid var(--accent);
    padding: 0.85rem 1rem;
    border-radius: 0 10px 10px 0;
    margin: 0.75rem 0;
    font-style: italic;
}

.int-qa-answer .sample-answer p {
    margin: 0;
    font-style: italic;
    color: var(--text-primary);
}

.int-qa-answer .framework-box {
    background: rgba(0,210,160,0.06);
    border: 1px solid rgba(0,210,160,0.15);
    border-radius: 10px;
    padding: 0.85rem 1rem;
    margin: 0.75rem 0;
}

.int-qa-answer .framework-box h5 {
    font-size: 0.78rem;
    color: #00d2a0;
    font-weight: 700;
    margin: 0 0 0.4rem;
}

.int-qa-answer .framework-box p {
    margin: 0;
}

.int-qa-answer .do-dont-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    margin: 0.75rem 0;
}

.int-qa-answer .do-box, .int-qa-answer .dont-box {
    padding: 0.75rem 1rem;
    border-radius: 10px;
    font-size: 0.8rem;
}

.int-qa-answer .do-box {
    background: rgba(0,210,160,0.06);
    border: 1px solid rgba(0,210,160,0.15);
}

.int-qa-answer .do-box h5 {
    color: #00d2a0;
    font-size: 0.75rem;
    font-weight: 700;
    margin: 0 0 0.3rem;
}

.int-qa-answer .dont-box {
    background: rgba(255,107,107,0.06);
    border: 1px solid rgba(255,107,107,0.15);
}

.int-qa-answer .dont-box h5 {
    color: #ff6b6b;
    font-size: 0.75rem;
    font-weight: 700;
    margin: 0 0 0.3rem;
}

.int-qa-answer .do-box p, .int-qa-answer .dont-box p {
    margin: 0;
    font-size: 0.8rem;
}

.int-qa-answer ul {
    padding-left: 1.2rem;
    margin: 0.5rem 0;
}

.int-qa-answer li {
    font-size: 0.84rem;
    color: var(--text-secondary);
    line-height: 1.65;
    margin-bottom: 0.3rem;
}

/* Responsive */
@media (max-width: 1100px) {
    .guide-selector-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

    .interview-tab-nav {
        gap: 0.35rem;
    }

    .interview-tab-btn {
        min-height: 44px;
        padding: 0.625rem 1rem;
        font-size: 0.8125rem;
    }

    .int-qa-answer .do-dont-grid {
        grid-template-columns: 1fr;
    }

    .int-qa-answer {
        padding-left: 1.25rem;
    }
}

@media (max-width: 768px) {
    .guide-selector-card {
        padding: 1.25rem;
    }

    .interview-tab-nav {
        flex-wrap: wrap;
        gap: 0.4rem;
        padding: 1.25rem 0;
    }

    .interview-category-header h2 {
        font-size: 1.35rem;
    }

    .interview-category-header p {
        font-size: 0.84rem;
    }

    .interview-guide-hero-stats {
        gap: 1.25rem;
    }

    .interview-tip-box {
        padding: 1rem 1.15rem;
    }

    .int-qa-header {
        padding: 0.85rem 1rem;
    }

    .int-qa-answer {
        padding: 0 1rem 1rem;
        padding-left: 1rem;
    }
}

@media (max-width: 480px) {
    .guide-selector-card {
        padding: 1rem;
    }

    .guide-selector-text h3 {
        font-size: 1rem;
    }

    .guide-stat-pill {
        font-size: 0.78rem;
        padding: 0.3rem 0.7rem;
    }

    .interview-tab-nav {
        padding: 1rem 0;
    }

    .interview-tab-btn {
        font-size: 0.78rem;
        padding: 0.5rem 0.85rem;
        min-height: 40px;
    }

    .interview-guide-hero-stat .stat-num {
        font-size: 1.45rem;
    }

    .interview-guide-hero-stat .stat-label {
        font-size: 0.72rem;
    }

    .interview-category-header h2 {
        font-size: 1.2rem;
    }

    .int-qa-question {
        font-size: 0.82rem;
    }

    .int-qa-answer p,
    .int-qa-answer li {
        font-size: 0.8rem;
    }
}

/* ============================================
   Light Mode Overrides
   ============================================ */
[data-theme="light"] .guide-selector-card {
    --shine-color: radial-gradient(transparent, transparent, #2563eb, #1d4ed8, transparent, transparent);
}
[data-theme="light"] .guide-selector-card:hover {
    border-color: transparent;
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.06);
}
[data-theme="light"] .guide-selector-card:hover::before {
    opacity: 0.7;
}
[data-theme="light"] .guide-selector-card.active {
    box-shadow: 0 6px 24px rgba(37, 99, 235, 0.10);
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.04) 0%, rgba(22, 163, 74, 0.03) 100%);
}
[data-theme="light"] .guide-selector-card.active:hover::before {
    opacity: 0.65;
}
[data-theme="light"] .int-qa-card.open {
    box-shadow: 0 4px 16px rgba(37, 99, 235, 0.06);
}
[data-theme="light"] .int-qa-difficulty.easy { background: rgba(22, 163, 74, 0.08); color: #15803d; }
[data-theme="light"] .int-qa-difficulty.medium { background: rgba(217, 119, 6, 0.08); color: #b45309; }
[data-theme="light"] .int-qa-difficulty.hard { background: rgba(220, 38, 38, 0.08); color: #dc2626; }
[data-theme="light"] .interview-tip-box {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.04), rgba(22, 163, 74, 0.02));
    border-color: rgba(37, 99, 235, 0.12);
}
[data-theme="light"] .int-qa-answer .framework-box h5 { color: #15803d; }
[data-theme="light"] .int-qa-answer .do-box h5 { color: #15803d; }
[data-theme="light"] .int-qa-answer .dont-box h5 { color: #dc2626; }
[data-theme="light"] .guide-stat-pill {
    background: rgba(37, 99, 235, 0.06);
}
[data-theme="light"] .guide-stat-pill.green {
    background: var(--green-bg);
    color: var(--green);
}
[data-theme="light"] .guide-stat-pill.orange {
    background: var(--orange-bg);
    color: var(--orange);
}
[data-theme="light"] .guide-stat-pill.coral {
    background: var(--red-bg);
    color: var(--red);
}
[data-theme="light"] .interview-guide-hero-stat .stat-num.purple {
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
[data-theme="light"] .interview-guide-hero-stat .stat-num.green {
    background: linear-gradient(135deg, #16a34a, #15803d);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
[data-theme="light"] .interview-guide-hero-stat .stat-num.orange {
    background: linear-gradient(135deg, #d97706, #b45309);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
[data-theme="light"] .interview-guide-hero-stat .stat-num.coral {
    background: linear-gradient(135deg, #dc2626, #ef4444);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}