/* Interval Vector Calculator - Refined Design */

.interval-vector-app {
    --ic-1-color: #ef4444;
    --ic-2-color: #f97316;
    --ic-3-color: #eab308;
    --ic-4-color: #22c55e;
    --ic-5-color: #3b82f6;
    --ic-6-color: #8b5cf6;
    --primary-light: rgba(20, 184, 166, 0.1);
    --section-bg: #ffffff;
    --section-border: rgba(0, 0, 0, 0.06);
    --accent-gradient: linear-gradient(135deg, #14b8a6, #0891b2);
    max-width: 1100px;
    margin: 0 auto;
}

body.dark-mode .interval-vector-app {
    --primary-light: rgba(94, 234, 212, 0.15);
    --section-bg: #1e293b;
    --section-border: rgba(255, 255, 255, 0.08);
}

/* ============================================
   INTRO SECTION
   ============================================ */

.intro-section {
    padding: 0 1rem;
    margin-bottom: 1.5rem;
}

.intro-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.intro-content p {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--text);
    margin: 0;
}

.intro-content p strong {
    color: var(--primary);
}

.intro-content .intro-sub {
    margin-top: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-light);
}

/* ============================================
   CALCULATOR CARD
   ============================================ */

.calculator-section {
    padding: 0 1rem;
    margin-bottom: 2rem;
}

.calculator-card {
    background: var(--section-bg);
    border: 1px solid var(--section-border);
    border-radius: 20px;
    padding: 1.5rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

body.dark-mode .calculator-card {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

/* Input Controls - Top Row */
.input-controls {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
}

@media (max-width: 700px) {
    .input-controls {
        flex-direction: column;
        align-items: center;
    }
}

/* Circle Area */
.circle-area {
    flex-shrink: 0;
    text-align: center;
}

.chromatic-circle-container {
    width: 200px;
    height: 200px;
}

.chromatic-circle-container svg {
    width: 100%;
    height: 100%;
}

.circle-hint {
    margin-top: 0.5rem;
    font-size: 0.7rem;
    color: var(--text-light);
}

/* Controls Panel */
.controls-panel {
    flex: 1;
    min-width: 0;
}

.controls-header {
    margin-bottom: 1rem;
}

.controls-title {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text);
}

.control-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.75rem;
}

.control-label {
    width: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.note-count-btns {
    display: flex;
    gap: 0.4rem;
}

.count-btn {
    width: 2.25rem;
    height: 2.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg);
    border: 2px solid var(--border);
    border-radius: 8px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text);
    cursor: pointer;
    transition: all 0.15s ease;
}

.count-btn:hover {
    border-color: var(--primary);
    background: var(--primary-light);
}

.count-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

/* Note Selectors */
.note-selectors-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.note-selectors-row select {
    width: 3.75rem;
    padding: 0.5rem 0.25rem;
    padding-right: 1.25rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    font-weight: 600;
    background: var(--bg);
    border: 2px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    cursor: pointer;
    transition: all 0.15s ease;
    text-align: center;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.35rem center;
    background-size: 10px;
}

.note-selectors-row select:hover,
.note-selectors-row select:focus {
    border-color: var(--primary);
    outline: none;
}

/* Presets */
.presets-section {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px dashed var(--border);
}

.presets-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.presets-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
}

.preset-chip {
    padding: 0.35rem 0.65rem;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-light);
    cursor: pointer;
    transition: all 0.15s ease;
}

.preset-chip:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-light);
}

.preset-chip.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

/* Divider */
.calc-divider {
    height: 1px;
    background: var(--border);
    margin: 1.25rem 0;
}

/* ============================================
   RESULTS AREA
   ============================================ */

.results-area {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 1rem;
    align-items: stretch;
}

@media (max-width: 800px) {
    .results-area {
        grid-template-columns: 1fr;
    }
}

/* ICV Hero */
.icv-hero {
    background: var(--accent-gradient);
    border-radius: 14px;
    padding: 1rem;
    color: white;
    display: flex;
    flex-direction: column;
}

.icv-hero-top {
    text-align: center;
    margin-bottom: 0.5rem;
}

.icv-label {
    display: block;
    font-size: 0.6rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.7;
}

.icv-notes {
    display: block;
    font-size: 0.8rem;
    font-weight: 500;
    opacity: 0.9;
    margin-top: 0.15rem;
}

.icv-display {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.15rem;
    font-family: 'JetBrains Mono', monospace;
    margin-bottom: 0.35rem;
}

.icv-display .bracket {
    font-size: 1.5rem;
    opacity: 0.5;
}

.icv-display .digit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.85rem;
    height: 1.85rem;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 6px;
    font-size: 1.15rem;
    font-weight: 700;
    transition: all 0.2s ease;
    cursor: pointer;
}

.icv-display .digit:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.05);
}

.ic-legend {
    display: flex;
    justify-content: center;
    gap: 0.15rem;
    font-size: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    opacity: 0.65;
}

.ic-legend span {
    width: 1.85rem;
    text-align: center;
}

/* Intervals Panel */
.intervals-panel,
.chart-panel {
    background: var(--bg);
    border-radius: 12px;
    padding: 0.75rem;
}

.intervals-panel h4,
.chart-panel h4 {
    font-size: 0.6rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.intervals-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.25rem;
}

.interval-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.25rem 0.4rem;
    background: var(--card);
    border-radius: 4px;
    font-size: 0.65rem;
    transition: all 0.15s ease;
}

.interval-notes {
    font-weight: 500;
    color: var(--text);
}

.interval-value {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 700;
    font-size: 0.6rem;
}

.interval-value[data-ic="1"] { color: var(--ic-1-color); }
.interval-value[data-ic="2"] { color: var(--ic-2-color); }
.interval-value[data-ic="3"] { color: var(--ic-3-color); }
.interval-value[data-ic="4"] { color: var(--ic-4-color); }
.interval-value[data-ic="5"] { color: var(--ic-5-color); }
.interval-value[data-ic="6"] { color: var(--ic-6-color); }

/* Chart */
.chart-wrapper {
    height: 100px;
}

.chart-wrapper canvas {
    max-height: 100%;
}

/* ============================================
   REFERENCE SECTION
   ============================================ */

.reference-section {
    padding: 0 1rem;
    margin-bottom: 2rem;
}

.section-header {
    text-align: center;
    margin-bottom: 1rem;
}

.section-header h2 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 0.2rem;
}

.section-hint {
    font-size: 0.8rem;
    color: var(--text-light);
}

.reference-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 0.6rem;
    margin-bottom: 1rem;
}

.ref-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0.85rem 0.5rem;
    background: var(--section-bg);
    border: 2px solid var(--section-border);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.ref-card:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(20, 184, 166, 0.12);
}

.ref-name {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 0.2rem;
}

.ref-icv {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--primary);
}

/* Z-Relation Callout */
.z-relation-callout {
    display: flex;
    gap: 0.75rem;
    padding: 0.85rem 1rem;
    background: linear-gradient(135deg, rgba(20, 184, 166, 0.08), rgba(8, 145, 178, 0.08));
    border-radius: 10px;
    border-left: 4px solid var(--primary);
}

.callout-icon {
    font-size: 1.1rem;
    flex-shrink: 0;
}

.callout-content {
    font-size: 0.8rem;
    color: var(--text);
    line-height: 1.5;
}

/* ============================================
   QUIZ SECTION
   ============================================ */

.quiz-section {
    padding: 0 1rem;
    margin-bottom: 2rem;
}

.quiz-card {
    background: var(--section-bg);
    border: 1px solid var(--section-border);
    border-radius: 14px;
    overflow: hidden;
}

.quiz-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.85rem 1rem;
    background: var(--bg);
    border-bottom: 1px solid var(--section-border);
}

.quiz-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.quiz-icon {
    font-size: 1.1rem;
}

.quiz-title h2 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text);
}

.quiz-score {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
    background: var(--primary-light);
    padding: 0.35rem 0.65rem;
    border-radius: 16px;
}

.quiz-body {
    padding: 1.25rem;
}

.quiz-prompt {
    text-align: center;
    margin-bottom: 1rem;
}

.quiz-label {
    font-size: 0.85rem;
    color: var(--text-light);
}

.quiz-set {
    display: block;
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text);
    margin-top: 0.25rem;
}

.quiz-options {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.6rem;
    margin-bottom: 0.75rem;
}

@media (max-width: 550px) {
    .quiz-options {
        grid-template-columns: repeat(2, 1fr);
    }
}

.quiz-option {
    padding: 0.65rem;
    background: var(--bg);
    border: 2px solid var(--border);
    border-radius: 8px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text);
    cursor: pointer;
    transition: all 0.15s ease;
}

.quiz-option:hover:not(:disabled) {
    border-color: var(--primary);
    background: var(--primary-light);
}

.quiz-option.correct {
    background: rgba(34, 197, 94, 0.15);
    border-color: #22c55e;
    color: #16a34a;
}

.quiz-option.wrong {
    background: rgba(239, 68, 68, 0.15);
    border-color: #ef4444;
    color: #dc2626;
}

.quiz-feedback {
    text-align: center;
    font-size: 0.85rem;
    font-weight: 600;
    min-height: 1.25rem;
}

.quiz-feedback.correct { color: #22c55e; }
.quiz-feedback.wrong { color: #ef4444; }

/* ============================================
   TUTORIAL SECTION - Expanded
   ============================================ */

.tutorial-section {
    padding: 0 1rem;
    margin-bottom: 2rem;
}

.tutorial-details {
    background: var(--section-bg);
    border: 1px solid var(--section-border);
    border-radius: 14px;
    overflow: hidden;
}

.tutorial-summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    cursor: pointer;
    user-select: none;
    list-style: none;
    background: var(--bg);
}

.tutorial-summary::-webkit-details-marker { display: none; }

.tutorial-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tutorial-icon { font-size: 1.25rem; }

.tutorial-title h2 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text);
    margin: 0;
}

.expand-icon {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-light);
    transition: transform 0.3s ease;
}

.tutorial-details[open] .expand-icon {
    transform: rotate(45deg);
}

.tutorial-content {
    padding: 1.5rem;
    border-top: 1px solid var(--section-border);
}

/* Tutorial Intro */
.tutorial-intro {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--text);
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: var(--bg);
    border-radius: 10px;
}

/* Tutorial Steps */
.tutorial-step {
    margin-bottom: 2rem;
}

.step-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    background: var(--accent-gradient);
    color: white;
    border-radius: 50%;
    font-size: 0.9rem;
    font-weight: 700;
    flex-shrink: 0;
}

.step-header h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text);
}

.step-body {
    padding-left: 2.75rem;
}

.step-body p {
    font-size: 0.9rem;
    line-height: 1.65;
    color: var(--text);
    margin-bottom: 1rem;
}

.step-body em {
    color: var(--primary);
    font-style: normal;
    font-weight: 600;
}

/* Pitch Class Chart */
.pitch-class-chart {
    background: var(--bg);
    border-radius: 10px;
    padding: 1rem;
    margin-bottom: 1rem;
}

.pc-row {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.pc-row:last-child { margin-bottom: 0; }

.pc-note {
    display: inline-block;
    width: 4rem;
    padding: 0.35rem 0.5rem;
    background: var(--card);
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text);
    text-align: right;
}

.pc-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.75rem;
    height: 1.75rem;
    background: var(--primary);
    color: white;
    border-radius: 6px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    font-weight: 700;
}

/* Step Example */
.step-example {
    padding: 0.75rem 1rem;
    background: linear-gradient(135deg, var(--primary-light), rgba(8, 145, 178, 0.08));
    border-left: 3px solid var(--primary);
    border-radius: 0 8px 8px 0;
    font-size: 0.85rem;
    color: var(--text);
    margin-top: 1rem;
}

/* Pairs Formula */
.pairs-formula {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1rem;
    background: var(--bg);
    border-radius: 10px;
    margin-bottom: 1rem;
}

.formula {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary);
}

.formula-note {
    font-size: 0.75rem;
    color: var(--text-light);
    margin-top: 0.25rem;
}

/* Interval Calculation Example */
.interval-calc-example {
    background: var(--bg);
    border-radius: 10px;
    padding: 1rem;
    margin-bottom: 1rem;
}

.calc-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border);
}

.calc-row:last-child { border-bottom: none; }

.calc-pair {
    width: 4rem;
    font-weight: 600;
    color: var(--text);
    font-size: 0.85rem;
}

.calc-math {
    flex: 1;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
    color: var(--text);
}

.calc-result {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary);
}

/* Inversion Rule Box */
.inversion-rule-box {
    background: linear-gradient(135deg, var(--primary-light), rgba(139, 92, 246, 0.1));
    border-radius: 12px;
    padding: 1.25rem;
    text-align: center;
    margin-bottom: 1.25rem;
    border: 2px solid var(--primary);
}

.rule-title {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.rule-content {
    font-size: 1rem;
    color: var(--text);
    margin-bottom: 0.5rem;
}

.inversion-rule-box .rule-formula {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--text-light);
}

/* IC Table */
.ic-table {
    background: var(--bg);
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 1rem;
}

.ic-table-row {
    display: grid;
    grid-template-columns: 3rem 1fr 1fr;
    gap: 0.5rem;
    padding: 0.6rem 1rem;
    border-bottom: 1px solid var(--border);
    font-size: 0.8rem;
    align-items: center;
}

.ic-table-row:last-child { border-bottom: none; }

.ic-table-row.header {
    background: var(--card);
    font-weight: 700;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-light);
}

.ic-table-row .ic-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.5rem;
    height: 1.5rem;
    border-radius: 4px;
    font-family: 'JetBrains Mono', monospace;
    font-weight: 700;
    font-size: 0.75rem;
    color: white;
}

.ic-table-row[data-ic="1"] .ic-num { background: var(--ic-1-color); }
.ic-table-row[data-ic="2"] .ic-num { background: var(--ic-2-color); }
.ic-table-row[data-ic="3"] .ic-num { background: var(--ic-3-color); }
.ic-table-row[data-ic="4"] .ic-num { background: var(--ic-4-color); }
.ic-table-row[data-ic="5"] .ic-num { background: var(--ic-5-color); }
.ic-table-row[data-ic="6"] .ic-num { background: var(--ic-6-color); }

/* Tally Example */
.tally-example {
    background: var(--bg);
    border-radius: 10px;
    padding: 1rem;
    margin-bottom: 1rem;
}

.tally-header {
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--text);
    margin-bottom: 0.75rem;
    text-align: center;
}

.tally-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 0.5rem;
}

@media (max-width: 600px) {
    .tally-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.tally-item {
    text-align: center;
    padding: 0.5rem;
    background: var(--card);
    border-radius: 8px;
}

.tally-ic {
    display: block;
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--text-light);
    text-transform: uppercase;
    margin-bottom: 0.25rem;
}

.tally-count {
    display: block;
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
}

.tally-check {
    display: block;
    font-size: 0.65rem;
    color: var(--text-light);
    margin-top: 0.15rem;
}

/* Final Answer */
.final-answer {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1.25rem;
    background: var(--accent-gradient);
    border-radius: 12px;
    color: white;
}

.answer-label {
    font-size: 0.85rem;
    opacity: 0.9;
    margin-bottom: 0.35rem;
}

.answer-icv {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.75rem;
    font-weight: 700;
}

/* Why It Matters */
.tutorial-step.why-matters .step-number {
    background: #f59e0b;
}

.benefits-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.benefits-list li {
    padding: 0.75rem 1rem;
    background: var(--bg);
    border-radius: 8px;
    margin-bottom: 0.5rem;
    font-size: 0.85rem;
    line-height: 1.5;
    color: var(--text);
}

.benefits-list li:last-child { margin-bottom: 0; }

/* Try It Box */
.try-it-box {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.1), rgba(16, 185, 129, 0.08));
    border: 2px dashed #22c55e;
    border-radius: 12px;
    padding: 1.25rem;
    text-align: center;
}

.try-it-box h4 {
    font-size: 1rem;
    font-weight: 700;
    color: #16a34a;
    margin-bottom: 0.5rem;
}

.try-it-box p {
    font-size: 0.85rem;
    color: var(--text);
    margin: 0;
}

/* ============================================
   INFO SECTION
   ============================================ */

.info-section {
    padding: 0 1rem;
    margin-bottom: 2rem;
}

.info-cards-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

@media (max-width: 750px) {
    .info-cards-row {
        grid-template-columns: 1fr;
    }
}

.info-card {
    background: var(--section-bg);
    border: 1px solid var(--section-border);
    border-radius: 12px;
    padding: 1rem;
}

.info-card-header {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: 0.6rem;
}

.info-icon { font-size: 1.25rem; }

.info-card h3 {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text);
}

.info-card p {
    font-size: 0.8rem;
    color: var(--text-light);
    line-height: 1.55;
}

/* ============================================
   ANIMATIONS
   ============================================ */

@keyframes pop {
    0% { transform: scale(1); }
    50% { transform: scale(1.15); }
    100% { transform: scale(1); }
}

.animate-pop {
    animation: pop 0.3s ease;
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 500px) {
    .calculator-card {
        padding: 1rem;
    }

    .chromatic-circle-container {
        width: 180px;
        height: 180px;
    }

    .results-area {
        gap: 0.75rem;
    }

    .tutorial-content {
        padding: 1rem;
    }

    .step-body {
        padding-left: 0;
    }
}