/* Calculator Hero Section */
.calculator-hero {
    padding: 4rem 0;
}

.calculator-hero h2 {
    font-size: 2.5rem;
}

/* Calculator Card */
.calculator-card {
    background: white;
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
}

.calculator-card h3 {
    color: #667eea;
    margin-bottom: 2rem;
    font-size: 2rem;
}

.calculator-card h4 {
    color: #2c3e50;
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

/* Calculator Input */
.calculator-input {
    margin-bottom: 2.5rem;
}

.calculator-input label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #2c3e50;
}

.slo-select {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1.1rem;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    background: white;
    cursor: pointer;
    transition: border-color 0.3s ease;
}

.slo-select:focus {
    outline: none;
    border-color: #667eea;
}

.slo-select:hover {
    border-color: #667eea;
}

/* Progress Bar */
.progress-container {
    margin: 2rem 0;
}

.progress-label {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #2c3e50;
}

.progress-bar-wrapper {
    height: 40px;
    background: #f0f0f0;
    border-radius: 20px;
    overflow: hidden;
    margin: 1rem 0;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 20px;
    transition: width 0.5s ease;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: 1rem;
    color: white;
    font-weight: 600;
}

.progress-percentage {
    text-align: right;
    font-size: 1.2rem;
    font-weight: 700;
    color: #667eea;
}

/* Metrics Grid */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.metric-card {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 1.5rem;
    border-radius: 8px;
    text-align: center;
    border: 2px solid #e0e0e0;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.metric-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.metric-label {
    font-size: 0.9rem;
    color: #666;
    font-weight: 600;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.metric-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: #667eea;
    margin: 0.5rem 0;
}

.metric-unit {
    font-size: 0.9rem;
    color: #888;
}

/* Burn Rate Section */
.burn-rate-section {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 2px solid #e0e0e0;
}

.burn-rate-description {
    color: #666;
    margin-bottom: 1.5rem;
}

.burn-rate-input {
    display: flex;
    gap: 1rem;
    align-items: flex-end;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.burn-rate-input label {
    flex: 1;
    min-width: 200px;
    font-weight: 600;
    color: #2c3e50;
}

.burn-rate-input input {
    flex: 2;
    min-width: 200px;
    padding: 0.75rem 1rem;
    font-size: 1.1rem;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    transition: border-color 0.3s ease;
}

.burn-rate-input input:focus {
    outline: none;
    border-color: #667eea;
}

.calculate-btn {
    padding: 0.75rem 2rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.calculate-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.calculate-btn:focus-visible {
    outline: 2px solid #667eea;
    outline-offset: 2px;
}

.burn-rate-result {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    border: 3px solid #e0e0e0;
}

.burn-rate-value {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.burn-rate-status {
    font-size: 1.2rem;
    font-weight: 600;
    padding: 1rem;
    border-radius: 8px;
    margin-top: 1rem;
}

.burn-rate-status.slow {
    background: #d4edda;
    color: #155724;
    border: 2px solid #c3e6cb;
}

.burn-rate-status.medium {
    background: #fff3cd;
    color: #856404;
    border: 2px solid #ffeaa7;
}

.burn-rate-status.fast {
    background: #f8d7da;
    color: #721c24;
    border: 2px solid #f5c6cb;
}

.burn-rate-status.critical {
    background: #f8d7da;
    color: #721c24;
    border: 2px solid #f5c6cb;
    font-weight: 700;
}

/* Section Intro */
.section-intro {
    font-size: 1.2rem;
    line-height: 1.8;
    margin-bottom: 2rem;
    text-align: center;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

/* Key Concept Box */
.key-concept {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 2rem;
    border-radius: 12px;
    margin: 2rem 0;
}

.key-concept h3 {
    color: white;
    margin-bottom: 1rem;
}

.key-concept ul {
    list-style: none;
    padding-left: 0;
}

.key-concept li {
    margin-bottom: 0.75rem;
    padding-left: 1.5rem;
    position: relative;
}

.key-concept li:before {
    content: "✓";
    position: absolute;
    left: 0;
    font-weight: 700;
}

/* Component Sections */
.component-section {
    margin: 2rem 0;
}

.component-section h4 {
    color: #667eea;
    margin-bottom: 1rem;
}

.component-section ul {
    list-style: none;
    padding-left: 0;
}

.component-section li {
    margin-bottom: 0.75rem;
    padding-left: 1.5rem;
    position: relative;
}

.component-section li:before {
    content: "•";
    position: absolute;
    left: 0;
    color: #667eea;
    font-weight: 700;
}

/* Tables */
.info-table {
    width: 100%;
    border-collapse: collapse;
    margin: 2rem 0;
    background: white;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    border-radius: 8px;
    overflow: hidden;
}

/* Table wrapper for horizontal scroll on mobile */
.table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 2rem 0;
}

.info-table thead {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.info-table th,
.info-table td {
    padding: 1rem;
    text-align: left;
}

.info-table th {
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
}

.info-table tbody tr {
    border-bottom: 1px solid #e0e0e0;
}

.info-table tbody tr:last-child {
    border-bottom: none;
}

.info-table tbody tr:hover {
    background: #f8f9fa;
}

/* Burn Rate Table Specific */
.burn-rate-table tbody tr.burn-slow {
    background: #d4edda;
}

.burn-rate-table tbody tr.burn-medium {
    background: #fff3cd;
}

.burn-rate-table tbody tr.burn-fast {
    background: #f8d7da;
}

.burn-rate-table tbody tr.burn-critical {
    background: #f8d7da;
    font-weight: 600;
}

/* Formula Box */
.formula-box {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    margin: 2rem 0;
    border-left: 4px solid #667eea;
}

.formula-box h4,
.formula-box h5 {
    color: #667eea;
    margin-bottom: 1rem;
}

.formula {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 8px;
    font-family: 'Courier New', monospace;
    font-size: 1.1rem;
    margin: 1rem 0;
    border: 2px solid #e0e0e0;
}

.example {
    margin-top: 1.5rem;
}

.example ul {
    list-style: none;
    padding-left: 0;
}

.example li {
    margin-bottom: 0.5rem;
}

/* Decision Framework */
.decision-framework {
    margin: 2rem 0;
}

.framework-tree {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 8px;
    border: 2px solid #e0e0e0;
}

.framework-tree pre {
    margin: 0;
    font-family: 'Courier New', monospace;
    font-size: 1.1rem;
    line-height: 1.8;
}

/* Scenario Cards */
.scenario-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.scenario-card {
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    border-left: 5px solid;
}

.scenario-card.healthy {
    background: #d4edda;
    border-left-color: #28a745;
}

.scenario-card.exhausted {
    background: #f8d7da;
    border-left-color: #dc3545;
}

.scenario-card.warning {
    background: #fff3cd;
    border-left-color: #ffc107;
}

.scenario-card h4 {
    margin-bottom: 1rem;
    color: #2c3e50;
}

.scenario-card ul {
    list-style: none;
    padding-left: 0;
}

.scenario-card li {
    margin-bottom: 0.5rem;
}

/* Math Section */
.math-section {
    margin: 2rem 0;
}

.reference-table {
    font-size: 0.95rem;
}

/* Best Practices Grid */
.best-practices-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.practices-column {
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.do-column {
    background: #d4edda;
    border-left: 5px solid #28a745;
}

.dont-column {
    background: #f8d7da;
    border-left: 5px solid #dc3545;
}

.practices-column h3 {
    margin-bottom: 1.5rem;
    color: #2c3e50;
}

.practices-column ul {
    list-style: none;
    padding-left: 0;
}

.practices-column li {
    margin-bottom: 1rem;
    line-height: 1.6;
}

/* Planning Grid */
.planning-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.planning-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    border-top: 4px solid #667eea;
}

.planning-card h4 {
    color: #667eea;
    margin-bottom: 1rem;
}

.planning-card ul {
    list-style: none;
    padding-left: 0;
}

.planning-card li {
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
}

.planning-card li:before {
    content: "→";
    position: absolute;
    left: 0;
    color: #667eea;
}

/* Checklist */
.checklist {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.checklist label {
    display: block;
    margin-bottom: 1rem;
    font-size: 1.1rem;
    cursor: pointer;
    padding: 0.75rem;
    border-radius: 6px;
    transition: background 0.3s ease;
}

.checklist label:hover {
    background: #f8f9fa;
}

.checklist input[type="checkbox"] {
    margin-right: 1rem;
    width: 20px;
    height: 20px;
    cursor: pointer;
}

/* Concepts Grid */
.concepts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.concept-card {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    border-top: 3px solid #667eea;
}

.concept-card h4 {
    color: #667eea;
    margin-bottom: 0.75rem;
    font-size: 1.1rem;
}

.concept-card p {
    color: #666;
    line-height: 1.6;
}

/* FAQ */
.faq {
    max-width: 900px;
    margin: 2rem auto;
}

.faq-item {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    margin-bottom: 1.5rem;
    border-left: 4px solid #667eea;
}

.faq-item h4 {
    color: #667eea;
    margin-bottom: 0.75rem;
}

.faq-item p {
    color: #555;
    line-height: 1.7;
}

/* Reading List */
.reading-list {
    list-style: none;
    padding-left: 0;
    max-width: 800px;
    margin: 2rem auto;
}

.reading-list li {
    background: white;
    padding: 1rem 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    margin-bottom: 1rem;
    border-left: 4px solid #667eea;
    font-size: 1.1rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .calculator-hero {
        padding: 3rem 0;
    }

    .calculator-hero h2 {
        font-size: 1.75rem;
    }

    .calculator-card {
        padding: 1.5rem;
    }

    .calculator-card h3 {
        font-size: 1.5rem;
    }

    .metrics-grid {
        grid-template-columns: 1fr;
    }

    .burn-rate-input {
        flex-direction: column;
        align-items: stretch;
    }

    .burn-rate-input label,
    .burn-rate-input input,
    .calculate-btn {
        width: 100%;
    }

    .best-practices-grid {
        grid-template-columns: 1fr;
    }

    .scenario-cards {
        grid-template-columns: 1fr;
    }

    /* Transform tables into mobile-friendly cards */
    .info-table {
        border: none;
        box-shadow: none;
        background: transparent;
    }

    .info-table thead {
        display: none;
    }

    .info-table tbody {
        display: block;
    }

    .info-table tr {
        display: block;
        margin-bottom: 1.5rem;
        background: white;
        border-radius: 8px;
        padding: 1.25rem;
        box-shadow: 0 2px 8px rgba(0,0,0,0.1);
        border: none;
        border-left: 4px solid #667eea;
    }

    .info-table td {
        display: block;
        text-align: left;
        padding: 0.5rem 0;
        border: none;
    }

    .info-table td:before {
        content: attr(data-label);
        font-weight: 700;
        color: #667eea;
        display: block;
        margin-bottom: 0.25rem;
        font-size: 0.85rem;
        text-transform: uppercase;
        letter-spacing: 0.5px;
    }

    /* Special styling for burn-rate-table rows */
    .burn-rate-table tr.burn-slow {
        background: #d4edda;
        border-left-color: #28a745;
    }

    .burn-rate-table tr.burn-medium {
        background: #fff3cd;
        border-left-color: #ffc107;
    }

    .burn-rate-table tr.burn-fast {
        background: #f8d7da;
        border-left-color: #fd7e14;
    }

    .burn-rate-table tr.burn-critical {
        background: #f8d7da;
        border-left-color: #dc3545;
    }

    /* Reference table - show SLO prominently */
    .reference-table tr {
        border-left: 4px solid #764ba2;
    }

    /* Large title for reference table SLO values */
    .reference-table td:first-child {
        font-size: 1.5rem; /* Larger to emphasize SLO percentage as primary identifier */
        font-weight: 700;
        color: #667eea;
        padding-bottom: 1rem;
        border-bottom: 2px solid #e0e0e0;
        margin-bottom: 0.75rem;
    }

    .reference-table td:first-child:before {
        display: none;
    }

    .formula-box {
        padding: 1.5rem;
    }

    .formula {
        font-size: 0.9rem;
        padding: 1rem;
        overflow-x: auto;
    }

    .section h2 {
        font-size: 1.75rem;
    }

    .section-intro {
        font-size: 1rem;
    }

    .planning-grid,
    .concepts-grid {
        grid-template-columns: 1fr;
    }
}