/* Inkscape Course Styles */

/* Course Hero */
.inkscape-course .course-hero {
    position: relative;
    background: linear-gradient(135deg, rgba(167, 139, 250, 0.05) 0%, transparent 50%);
    border-bottom: 1px solid var(--dark-border);
}

/* Prerequisites Banner */
.prereq-banner {
    background: rgba(167, 139, 250, 0.05);
    border-bottom: 1px solid var(--dark-border);
}

.prereq-content {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.875rem;
    color: var(--muted);
}

.prereq-content strong {
    color: var(--light);
}

.prereq-content a {
    color: var(--accent);
}

.prereq-content a:hover {
    text-decoration: underline;
}

/* Course Navigation */
.course-nav {
    position: sticky;
    top: 0;
    z-index: 40;
    background: rgba(17, 17, 17, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--dark-border);
}

.course-nav-inner {
    display: flex;
    gap: 0.25rem;
    padding: 0.75rem 0;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.course-nav-inner::-webkit-scrollbar {
    display: none;
}

.course-nav-link {
    padding: 0.5rem 0.75rem;
    font-size: 0.75rem;
    color: var(--muted);
    white-space: nowrap;
    border-radius: 0.375rem;
    transition: all 0.2s ease;
}

.course-nav-link:hover {
    color: var(--light);
    background: rgba(255, 255, 255, 0.05);
}

.course-nav-link.active {
    color: var(--accent);
    background: rgba(167, 139, 250, 0.1);
}

/* Course Content */
.course-content {
    background: var(--dark-bg);
}

/* Course Section */
.course-section {
    padding-bottom: 4rem;
    margin-bottom: 4rem;
    border-bottom: 1px solid var(--dark-border);
}

.course-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.section-header {
    margin-bottom: 2rem;
}

.section-number {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--light);
}

/* Lesson Goal */
.lesson-goal {
    background: rgba(167, 139, 250, 0.1);
    border: 1px solid rgba(167, 139, 250, 0.2);
    border-radius: 0.5rem;
    padding: 1rem 1.25rem;
    margin-bottom: 2rem;
}

.goal-label {
    display: block;
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
}

.lesson-goal p {
    color: var(--light);
    margin: 0;
    font-weight: 500;
}

/* Prose Styling */
.prose {
    color: var(--muted);
    line-height: 1.8;
}

.prose p {
    margin-bottom: 1.25rem;
}

.prose p:last-child {
    margin-bottom: 0;
}

.prose strong {
    color: var(--light);
    font-weight: 600;
}

.prose a {
    color: var(--accent);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.prose a:hover {
    color: var(--light);
}

.prose h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--light);
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.prose ul, .prose ol {
    margin-bottom: 1.25rem;
    padding-left: 1.5rem;
}

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

/* Keyboard key styling */
.kbd {
    display: inline-block;
    padding: 0.125rem 0.5rem;
    font-family: ui-monospace, monospace;
    font-size: 0.8125rem;
    color: var(--light);
    background: var(--dark-surface);
    border: 1px solid var(--dark-border);
    border-radius: 0.25rem;
    box-shadow: 0 1px 0 var(--dark-border);
}

/* Step Box */
.step-box {
    background: var(--dark-surface);
    border: 1px solid var(--dark-border);
    border-radius: 0.5rem;
    padding: 1.25rem;
    margin: 1.5rem 0;
}

.step-number {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.step-box p {
    color: var(--light);
    margin: 0;
    line-height: 1.6;
}

/* Tip Box */
.tip-box {
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.2);
    border-radius: 0.5rem;
    padding: 1rem 1.25rem;
    margin: 1.5rem 0;
}

.tip-label {
    display: block;
    font-size: 0.6875rem;
    font-weight: 600;
    color: #22c55e;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
}

.tip-box p {
    color: var(--light);
    margin: 0;
}

/* Tool Grid */
.tool-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 0.75rem;
    margin: 1.5rem 0;
}

.tool-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: var(--dark-surface);
    border: 1px solid var(--dark-border);
    border-radius: 0.5rem;
}

.tool-key {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    font-family: ui-monospace, monospace;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--accent);
    background: rgba(167, 139, 250, 0.1);
    border: 1px solid rgba(167, 139, 250, 0.3);
    border-radius: 0.375rem;
}

.tool-name {
    font-size: 0.875rem;
    color: var(--light);
}

/* Workspace Diagram */
.workspace-diagram {
    display: grid;
    grid-template-columns: 80px 1fr;
    grid-template-rows: 40px 1fr 40px 30px;
    gap: 4px;
    height: 280px;
    margin: 2rem 0;
    padding: 1rem;
    background: var(--dark-surface);
    border: 1px solid var(--dark-border);
    border-radius: 0.75rem;
}

.workspace-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 0.5rem;
    border-radius: 0.375rem;
    text-align: center;
}

.workspace-area.toolbox {
    grid-column: 1;
    grid-row: 1 / 4;
    background: rgba(167, 139, 250, 0.1);
    border: 1px dashed rgba(167, 139, 250, 0.3);
}

.workspace-area.tool-controls {
    grid-column: 2;
    grid-row: 1;
    background: rgba(59, 130, 246, 0.1);
    border: 1px dashed rgba(59, 130, 246, 0.3);
}

.workspace-area.canvas {
    grid-column: 2;
    grid-row: 2;
    background: rgba(255, 255, 255, 0.03);
    border: 1px dashed rgba(255, 255, 255, 0.1);
}

.workspace-area.palette {
    grid-column: 2;
    grid-row: 3;
    background: rgba(34, 197, 94, 0.1);
    border: 1px dashed rgba(34, 197, 94, 0.3);
}

.workspace-area.status {
    grid-column: 1 / 3;
    grid-row: 4;
    background: rgba(251, 191, 36, 0.1);
    border: 1px dashed rgba(251, 191, 36, 0.3);
}

.area-label {
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--light);
    margin-bottom: 0.125rem;
}

.area-desc {
    font-size: 0.625rem;
    color: var(--muted);
}

/* Visual Examples */
.visual-example {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 2rem;
    margin: 2rem 0;
    background: var(--dark-surface);
    border: 1px solid var(--dark-border);
    border-radius: 0.75rem;
}

.tree-svg {
    width: 100px;
    height: 120px;
}

.tree-svg.small {
    width: 70px;
    height: 84px;
}

.forest-svg {
    width: 200px;
    height: 100px;
}

.leaf-svg {
    width: 120px;
    height: 80px;
}

.badge-svg {
    width: 120px;
    height: 50px;
}

.visual-caption {
    margin-top: 1rem;
    font-size: 0.875rem;
    color: var(--muted);
    text-align: center;
}

/* Before/After */
.before-after {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.before, .after {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.before span, .after span {
    font-size: 0.75rem;
    color: var(--muted);
}

.arrow {
    font-size: 1.5rem;
    color: var(--accent);
}

/* Shortcut List */
.shortcut-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 0.5rem;
    margin: 1rem 0;
}

.shortcut-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0.75rem;
    background: var(--dark-surface);
    border-radius: 0.375rem;
}

.shortcut-keys {
    font-family: ui-monospace, monospace;
    font-size: 0.75rem;
    color: var(--accent);
    padding: 0.25rem 0.5rem;
    background: rgba(167, 139, 250, 0.1);
    border-radius: 0.25rem;
}

.shortcut-desc {
    font-size: 0.8125rem;
    color: var(--muted);
}

/* Format Guide */
.format-guide {
    display: grid;
    gap: 1rem;
    margin: 2rem 0;
}

.format-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--dark-surface);
    border: 1px solid var(--dark-border);
    border-radius: 0.5rem;
}

.format-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 0.5rem;
}

.format-icon.png {
    background: rgba(59, 130, 246, 0.2);
    color: #3b82f6;
}

.format-icon.svg {
    background: rgba(34, 197, 94, 0.2);
    color: #22c55e;
}

.format-icon.pdf {
    background: rgba(239, 68, 68, 0.2);
    color: #ef4444;
}

.format-info {
    font-size: 0.875rem;
    color: var(--muted);
}

.format-info strong {
    color: var(--light);
}

/* Achievement Box */
.achievement-box {
    display: flex;
    gap: 1rem;
    background: linear-gradient(135deg, rgba(167, 139, 250, 0.1) 0%, rgba(139, 92, 246, 0.05) 100%);
    border: 1px solid rgba(167, 139, 250, 0.3);
    border-radius: 0.75rem;
    padding: 1.5rem;
    margin-top: 2rem;
}

.achievement-icon {
    flex-shrink: 0;
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent);
    border-radius: 50%;
    color: var(--dark-bg);
}

.achievement-content {
    flex: 1;
}

.achievement-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.achievement-content p {
    color: var(--light);
    margin: 0;
    line-height: 1.6;
}

.achievement-box.final {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.1) 0%, rgba(22, 163, 74, 0.05) 100%);
    border-color: rgba(34, 197, 94, 0.3);
}

.achievement-box.final .achievement-icon {
    background: #22c55e;
    width: 3rem;
    height: 3rem;
}

.achievement-box.final .achievement-label {
    color: #22c55e;
    font-size: 0.875rem;
}

/* Next Topics */
.next-topics {
    display: grid;
    gap: 1rem;
    margin: 2rem 0;
}

.next-topic {
    padding: 1.25rem;
    background: var(--dark-surface);
    border: 1px solid var(--dark-border);
    border-radius: 0.5rem;
}

.next-topic h3 {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    color: var(--light);
    margin: 0 0 0.5rem 0;
}

.next-topic p {
    font-size: 0.875rem;
    color: var(--muted);
    margin: 0;
    line-height: 1.5;
}

.next-topic p.text-muted {
    margin-top: 0.5rem;
    font-size: 0.8125rem;
    font-family: ui-monospace, monospace;
}

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

.next-step-card {
    background: var(--dark-surface);
    border: 1px solid var(--dark-border);
    border-radius: 0.75rem;
    padding: 1.5rem;
    transition: all 0.2s ease;
}

.next-step-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}

.next-step-icon {
    color: var(--accent);
    margin-bottom: 1rem;
}

.next-step-card h3 {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--light);
    margin-bottom: 0.5rem;
}

.next-step-card p {
    font-size: 0.875rem;
    color: var(--muted);
    line-height: 1.5;
}

/* Reference Table */
.reference-table {
    display: grid;
    gap: 2rem;
    margin: 2rem 0;
}

.reference-category h3 {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    color: var(--light);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--dark-border);
}

.reference-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 0.5rem;
}

.ref-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0.75rem;
    background: var(--dark-surface);
    border-radius: 0.375rem;
}

.ref-key {
    font-family: ui-monospace, monospace;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--accent);
    padding: 0.25rem 0.5rem;
    background: rgba(167, 139, 250, 0.1);
    border-radius: 0.25rem;
    white-space: nowrap;
}

.ref-action {
    font-size: 0.8125rem;
    color: var(--muted);
}

/* Interactive Tool */
.interactive-tool {
    background: var(--dark-surface);
    border: 1px solid var(--dark-border);
    border-radius: 0.75rem;
    overflow: hidden;
    margin: 2rem 0;
}

.tool-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    background: rgba(167, 139, 250, 0.05);
    border-bottom: 1px solid var(--dark-border);
}

.tool-label {
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.25rem 0.5rem;
    background: rgba(167, 139, 250, 0.2);
    border-radius: 0.25rem;
}

.tool-title {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--light);
}

/* Shortcut Quiz */
.shortcut-quiz {
    padding: 1.5rem;
}

.quiz-prompt {
    text-align: center;
    margin-bottom: 1.5rem;
}

.quiz-label {
    display: block;
    font-size: 0.875rem;
    color: var(--muted);
    margin-bottom: 0.5rem;
}

.quiz-question {
    display: block;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--light);
}

.quiz-input-area {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.quiz-input {
    width: 180px;
    padding: 0.75rem 1rem;
    font-family: ui-monospace, monospace;
    font-size: 1rem;
    text-align: center;
    color: var(--light);
    background: var(--dark-bg);
    border: 1px solid var(--dark-border);
    border-radius: 0.5rem;
    outline: none;
    transition: border-color 0.2s ease;
}

.quiz-input:focus {
    border-color: var(--accent);
}

.quiz-btn {
    padding: 0.75rem 1.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--dark-bg);
    background: var(--accent);
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.quiz-btn:hover {
    background: #9061f9;
}

.quiz-feedback {
    text-align: center;
    min-height: 1.5rem;
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

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

.quiz-feedback.incorrect {
    color: #ef4444;
}

.quiz-next-btn {
    display: block;
    margin: 0 auto 1rem;
    padding: 0.5rem 1rem;
    font-size: 0.8125rem;
    color: var(--accent);
    background: transparent;
    border: 1px solid var(--accent);
    border-radius: 0.375rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.quiz-next-btn:hover {
    background: rgba(167, 139, 250, 0.1);
}

.quiz-score {
    text-align: center;
    font-size: 0.875rem;
    color: var(--muted);
}

.quiz-score strong {
    color: var(--accent);
}

/* Responsive */
@media (max-width: 768px) {
    .section-title {
        font-size: 1.5rem;
    }

    .course-section {
        padding-bottom: 3rem;
        margin-bottom: 3rem;
    }

    .achievement-box {
        flex-direction: column;
        text-align: center;
    }

    .workspace-diagram {
        height: 240px;
    }

    .before-after {
        flex-direction: column;
        gap: 1rem;
    }

    .arrow {
        transform: rotate(90deg);
    }
}