/* Blog Speaking Guide Series - Speaking-specific visual components
   Requires blog-enhanced.css for universal components (callouts, tables, FAQ, etc.)
   Scoped to .speaking-guide for speaking guide posts only */

/* =============================================
   COLOR SYSTEM - Exam Part Accents
   (Overrides blog-enhanced.css variables for speaking posts)
   ============================================= */
.speaking-guide {
    --part1-color: #1a65d1;
    --part1-bg: #e8f0fe;
    --part2-color: #1e7e34;
    --part2-bg: #e6f4ea;
    --part3-color: #8a6900;
    --part3-bg: #fef7e0;
    --part4-color: #c5221f;
    --part4-bg: #fce8e6;
    --wrong-color: #b52a1f;
    --wrong-bg: #fce8e6;
    --right-color: #186c30;
    --right-bg: #e6f4ea;
}

/* Override universal colors with speaking-specific palette */
.speaking-guide.blog-enhanced {
    --accent-color: #1a65d1;
    --accent-bg: #e8f0fe;
}

/* Override progress bar gradient for speaking posts */
.speaking-guide .reading-progress-bar,
.speaking-guide ~ .reading-progress-bar {
    background: linear-gradient(90deg, var(--part1-color), var(--part2-color), var(--part3-color), var(--part4-color));
}

/* =============================================
   PART OVERVIEW CARDS (Four Horsemen)
   ============================================= */
.speaking-guide .parts-overview {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.speaking-guide .part-card {
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    box-shadow: var(--card-shadow);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
    border-top: 4px solid;
    background: white;
}

.speaking-guide .part-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--card-shadow-hover);
}

.speaking-guide .part-card[data-part="1"] { border-top-color: var(--part1-color); }
.speaking-guide .part-card[data-part="2"] { border-top-color: var(--part2-color); }
.speaking-guide .part-card[data-part="3"] { border-top-color: var(--part3-color); }
.speaking-guide .part-card[data-part="4"] { border-top-color: var(--part4-color); }

.speaking-guide .part-card .part-number {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.3rem;
}

.speaking-guide .part-card[data-part="1"] .part-number { color: var(--part1-color); }
.speaking-guide .part-card[data-part="2"] .part-number { color: var(--part2-color); }
.speaking-guide .part-card[data-part="3"] .part-number { color: var(--part3-color); }
.speaking-guide .part-card[data-part="4"] .part-number { color: var(--part4-color); }

.speaking-guide .part-card .part-name {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.3rem;
}

.speaking-guide .part-card .part-duration {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.speaking-guide .part-card .part-description {
    font-size: 0.95rem;
    color: var(--text-medium);
    line-height: 1.5;
    font-style: italic;
}

/* =============================================
   EXAM TIMELINE
   ============================================= */
.speaking-guide .exam-timeline {
    display: flex;
    align-items: stretch;
    margin: var(--spacing-lg) 0;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--card-shadow);
    min-height: 60px;
}

.speaking-guide .timeline-segment {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 0.5rem;
    color: white;
    font-weight: 700;
    font-size: 0.8rem;
    text-align: center;
    line-height: 1.3;
    transition: flex-grow var(--transition-speed);
}

.speaking-guide .timeline-segment[data-part="1"] { background: var(--part1-color); flex: 2; }
.speaking-guide .timeline-segment[data-part="2"] { background: var(--part2-color); flex: 2; }
.speaking-guide .timeline-segment[data-part="3"] { background: var(--part3-color); flex: 3; color: #fff; }
.speaking-guide .timeline-segment[data-part="4"] { background: var(--part4-color); flex: 4; }

/* =============================================
   EXAMPLE COMPARISON (Robot vs Human)
   ============================================= */
.speaking-guide .example-comparison {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.speaking-guide .example-card {
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    box-shadow: var(--card-shadow);
    position: relative;
    border-top: 4px solid;
    color: var(--text-dark, #222);
}

.speaking-guide .example-card.wrong {
    border-top-color: var(--wrong-color);
    background: var(--wrong-bg);
}

.speaking-guide .example-card.right {
    border-top-color: var(--right-color);
    background: var(--right-bg);
}

.speaking-guide .example-label {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    margin-bottom: var(--spacing-sm);
}

.speaking-guide .example-card.wrong .example-label {
    background: var(--wrong-color);
    color: white;
}

.speaking-guide .example-card.right .example-label {
    background: var(--right-color);
    color: white;
}

.speaking-guide .example-card .example-text {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-dark);
}

.speaking-guide .example-card .example-text em {
    font-style: italic;
    color: var(--text-medium);
}

/* =============================================
   MAGIC FORMULA STEPS
   ============================================= */
.speaking-guide .magic-formula {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.speaking-guide .formula-step {
    text-align: center;
    padding: var(--spacing-md);
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
    position: relative;
    transition: transform var(--transition-speed);
}

.speaking-guide .formula-step:hover {
    transform: translateY(-2px);
}

.speaking-guide .formula-step .step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--part1-color);
    color: white;
    font-weight: 700;
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.speaking-guide .formula-step .step-text {
    font-size: 0.95rem;
    color: var(--text-dark);
    font-weight: 600;
}

.speaking-guide .formula-step .step-detail {
    font-size: 0.85rem;
    color: var(--text-medium);
    margin-top: 0.3rem;
    font-style: italic;
}

/* =============================================
   QUESTION BANK (Collapsible Cards)
   ============================================= */
.speaking-guide .question-bank {
    margin: var(--spacing-lg) 0;
}

.speaking-guide .question-card {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
    margin-bottom: var(--spacing-sm);
    overflow: hidden;
    border-left: 4px solid var(--part1-color);
}

.speaking-guide .question-card-header {
    padding: var(--spacing-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    user-select: none;
    transition: background var(--transition-speed);
}

.speaking-guide .question-card-header:hover {
    background: #f8f9fa;
}

.speaking-guide .question-card-header h3 {
    font-size: 1.05rem;
    color: var(--text-dark);
    margin: 0;
    font-weight: 600;
}

.speaking-guide .question-card-header .toggle-icon {
    font-size: 0.8rem;
    color: var(--text-light);
    transition: transform var(--transition-speed);
    flex-shrink: 0;
    margin-left: 1rem;
}

.speaking-guide .question-card.open .toggle-icon {
    transform: rotate(180deg);
}

.speaking-guide .question-card-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.speaking-guide .question-card.open .question-card-body {
    max-height: 2000px;
}

.speaking-guide .question-card-content {
    padding: 0 var(--spacing-md) var(--spacing-md);
    border-top: 1px solid #eee;
}

/* Answer version tabs */
.speaking-guide .answer-tabs {
    display: flex;
    gap: 0;
    margin-bottom: var(--spacing-sm);
    border-bottom: 2px solid #eee;
}

.speaking-guide .answer-tab {
    padding: 0.5rem 1rem;
    background: none;
    border: none;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-light);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: color var(--transition-speed), border-color var(--transition-speed);
}

.speaking-guide .answer-tab:hover {
    color: var(--text-dark);
}

.speaking-guide .answer-tab.active {
    color: var(--part1-color);
    border-bottom-color: var(--part1-color);
}

.speaking-guide .answer-panel {
    display: none;
}

.speaking-guide .answer-panel.active {
    display: block;
}

.speaking-guide .sample-answer {
    background: #f8f9fa;
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--text-dark);
}

/* =============================================
   VOCABULARY FLIP CARDS
   ============================================= */
.speaking-guide .vocabulary-section {
    margin: var(--spacing-lg) 0;
}

.speaking-guide .vocab-category-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
    padding-bottom: 0.3rem;
    border-bottom: 2px solid var(--part1-color);
    display: inline-block;
}

.speaking-guide .vocabulary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.speaking-guide .vocab-card {
    perspective: 600px;
    height: 120px;
    cursor: pointer;
}

.speaking-guide .vocab-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.5s;
    transform-style: preserve-3d;
}

.speaking-guide .vocab-card.flipped .vocab-card-inner {
    transform: rotateY(180deg);
}

.speaking-guide .vocab-card-front,
.speaking-guide .vocab-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: var(--border-radius);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 0.5rem 0.3rem;
    text-align: center;
    font-size: 0.9rem;
    font-weight: 600;
    box-shadow: var(--card-shadow);
}

.speaking-guide .vocab-card-front {
    background: white;
    color: var(--text-dark);
    border: 2px solid var(--part1-color);
}

.speaking-guide .vocab-card-back {
    background: var(--part1-color);
    color: white;
    transform: rotateY(180deg);
    font-size: 0.72rem;
    font-weight: 500;
    overflow-y: auto;
}

.speaking-guide .vocab-card-hint {
    display: block;
    font-size: 0.6rem;
    font-weight: 400;
    margin-top: auto;
    padding-top: 0.2rem;
    opacity: 0.55;
    color: var(--part1-color);
    letter-spacing: 0.03em;
}

/* =============================================
   EMERGENCY PHRASES
   ============================================= */
.speaking-guide .emergency-phrases {
    margin: var(--spacing-lg) 0;
}

.speaking-guide .emergency-phrase {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #fff3cd;
    border-left: 4px solid var(--part3-color);
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    padding: 0.8rem var(--spacing-md);
    margin-bottom: 0.5rem;
    transition: background var(--transition-speed);
}

.speaking-guide .emergency-phrase:hover {
    background: #fef7e0;
}

.speaking-guide .emergency-phrase .phrase-text {
    font-size: 0.95rem;
    color: var(--text-dark);
    font-weight: 500;
}

.speaking-guide .emergency-phrase .copy-btn {
    background: none;
    border: 1px solid var(--text-light);
    border-radius: 4px;
    padding: 0.3rem 0.6rem;
    font-size: 0.75rem;
    color: var(--text-light);
    cursor: pointer;
    transition: all var(--transition-speed);
    white-space: nowrap;
    flex-shrink: 0;
    margin-left: 0.5rem;
}

.speaking-guide .emergency-phrase .copy-btn:hover {
    background: var(--part1-color);
    color: white;
    border-color: var(--part1-color);
}

.speaking-guide .emergency-phrase .copy-btn.copied {
    background: var(--right-color);
    color: white;
    border-color: var(--right-color);
}

/* =============================================
   REVEAL ANSWER (Practice Scenarios)
   ============================================= */
.speaking-guide .reveal-container {
    margin: var(--spacing-md) 0;
}

.speaking-guide .reveal-question {
    background: white;
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    box-shadow: var(--card-shadow);
    border-left: 4px solid var(--part1-color);
}

.speaking-guide .reveal-question h3,
.speaking-guide .reveal-question h4 {
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
    font-size: 1rem;
}

.speaking-guide .reveal-btn {
    display: inline-block;
    background: var(--part1-color);
    color: white;
    border: none;
    padding: 0.5rem 1.2rem;
    border-radius: 4px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: background var(--transition-speed);
}

.speaking-guide .reveal-btn:hover {
    background: #3367d6;
}

.speaking-guide .reveal-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
    background: #f8f9fa;
    border-radius: 0 0 var(--border-radius) var(--border-radius);
}

.speaking-guide .reveal-answer.shown {
    max-height: 500px;
    padding: var(--spacing-md);
}

.speaking-guide .reveal-answer p {
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--text-dark);
}

/* =============================================
   BLOG GIF IMAGES
   ============================================= */
.speaking-guide .blog-gif {
    margin: var(--spacing-lg) 0;
}

.speaking-guide .blog-gif img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius);
}

.speaking-guide .blog-gif-center {
    text-align: center;
}

.speaking-guide .blog-gif-center img {
    max-width: 400px;
    width: 100%;
}

.speaking-guide .blog-gif-float-right {
    float: right;
    margin: 0 0 var(--spacing-md) var(--spacing-md);
    max-width: 250px;
}

.speaking-guide .blog-gif-float-left {
    float: left;
    margin: 0 var(--spacing-md) var(--spacing-md) 0;
    max-width: 250px;
}

.speaking-guide .blog-gif-inline {
    display: inline-block;
    margin: var(--spacing-sm) 0;
}

.speaking-guide .blog-gif-inline img {
    max-width: 300px;
}

.speaking-guide .sample-answer-with-gif {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.speaking-guide .sample-answer-with-gif .sample-answer {
    flex: 1;
}

.speaking-guide .sample-gif {
    width: 150px;
    height: auto;
    border-radius: var(--border-radius);
    flex-shrink: 0;
    object-fit: cover;
}

/* =============================================
   SERIES NAVIGATION
   ============================================= */
.speaking-guide .series-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: var(--spacing-xl) 0;
    padding: var(--spacing-md);
    background: #f8f9fa;
    border-radius: var(--border-radius);
    gap: var(--spacing-md);
}

.speaking-guide .series-nav a {
    display: inline-block;
    background: var(--primary-color);
    color: white;
    padding: 0.6rem 1.2rem;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: background var(--transition-speed);
}

.speaking-guide .series-nav a:hover {
    background: var(--primary-hover);
}

.speaking-guide .series-nav .coming-soon {
    color: var(--text-light);
    font-style: italic;
    font-size: 0.9rem;
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 768px) {
    .speaking-guide .parts-overview {
        grid-template-columns: 1fr 1fr;
    }

    .speaking-guide .magic-formula {
        grid-template-columns: 1fr 1fr;
    }

    .speaking-guide .vocabulary-grid {
        grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    }

    .speaking-guide .exam-timeline {
        flex-direction: column;
    }

    .speaking-guide .timeline-segment {
        padding: 0.6rem;
    }

    .speaking-guide .example-comparison {
        grid-template-columns: 1fr;
    }

    .speaking-guide .series-nav {
        flex-direction: column;
        text-align: center;
    }

    .speaking-guide .blog-gif-float-right,
    .speaking-guide .blog-gif-float-left {
        float: none;
        max-width: 100%;
        margin: var(--spacing-md) 0;
        text-align: center;
    }

    .speaking-guide .blog-gif-float-right img,
    .speaking-guide .blog-gif-float-left img {
        max-width: 300px;
    }

    .speaking-guide .sample-answer-with-gif {
        flex-direction: column;
    }

    .speaking-guide .sample-gif {
        width: 100%;
        max-width: 250px;
    }
}

@media (max-width: 480px) {
    .speaking-guide .parts-overview {
        grid-template-columns: 1fr;
    }

    .speaking-guide .magic-formula {
        grid-template-columns: 1fr;
    }

    .speaking-guide .vocabulary-grid {
        grid-template-columns: 1fr 1fr;
    }

    .speaking-guide .emergency-phrase {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .speaking-guide .emergency-phrase .copy-btn {
        margin-left: 0;
    }

    .speaking-guide .blog-gif-center img {
        max-width: 100%;
    }

    .speaking-guide .blog-gif-inline img {
        max-width: 100%;
    }
}

/* =============================================
   HIGH CONTRAST MODE
   ============================================= */
@media (prefers-contrast: more) {
    .speaking-guide .example-card.wrong {
        border: 2px solid var(--wrong-color);
    }

    .speaking-guide .example-card.right {
        border: 2px solid var(--right-color);
    }

    .speaking-guide .part-card {
        border: 2px solid #000;
    }

    .speaking-guide .vocab-card-front {
        border-width: 3px;
    }

    .speaking-guide .question-card {
        border: 2px solid #000;
    }
}