/* Tutoriais Page Styles */

.tutoriais-page {
    min-height: 100vh;
    background: var(--bg-gradient);
    color: var(--clr-onSurface-01);
    padding: 0;
}

.tutoriais-content {
    padding: 0 20px 40px;
    max-width: 1200px;
    margin: 0 auto;
}

/* Header refinements */
.tutoriais-page .ranking-header {
    margin: 10px 0 8px;
}

.tutoriais-page .ranking-header__title {
    font-size: clamp(28px, 3.2vw, 36px);
}

.tutoriais-page .ranking-header__subtitle {
    color: var(--clr-onSurface-03);
}

/* Loading, Error and Empty States */
.loading-state,
.error-state,
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 80px 20px;
    gap: 24px;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(var(--clr-brand-rgb), 0.1);
    border-top: 3px solid var(--clr-brand);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.error-icon,
.empty-icon {
    width: 64px;
    height: 64px;
    fill: var(--clr-onSurface-04);
}

.error-state h3,
.empty-state h3 {
    font-family: var(--heading-font);
    font-size: var(--heading-md-size);
    font-weight: var(--heading-md-weight);
    color: var(--clr-onSurface-02);
    margin: 0;
}

.error-state p,
.empty-state p {
    color: var(--clr-onSurface-04);
    margin: 0;
    max-width: 400px;
}

.loading-state p {
    color: var(--clr-onSurface-03);
    margin: 0;
}

/* Tutoriais Grid */
.tutoriais-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
    padding: 8px 0 20px;
}

.tutorial-card {
    background: var(--surface-container-low);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--outline-variant);
    transition: all 0.25s ease;
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    height: 100%;
    position: relative;
}

.tutorial-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 36px rgba(0, 0, 0, 0.18);
    border-color: rgba(var(--clr-brand-rgb), 0.6);
}

.tutorial-card-image {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--surface-container);
}

.tutorial-card-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(0,0,0,0) 50%, rgba(0,0,0,0.35) 100%);
    pointer-events: none;
}

.tutorial-card-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    z-index: 2;
    background: rgba(0,0,0,0.6);
    color: #fff;
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    backdrop-filter: blur(4px);
}

.tutorial-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.02);
    transition: transform 0.35s ease;
}

.tutorial-card:hover .tutorial-card-image img {
    transform: scale(1.07);
}

.tutorial-card-content {
    padding: 18px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.tutorial-card-title {
    font-family: var(--heading-font);
    font-size: clamp(17px, 1.9vw, 18px);
    font-weight: 700;
    color: var(--clr-onSurface-01);
    margin: 0;
    line-height: 1.3;
}

.tutorial-card-description {
    color: var(--clr-onSurface-03);
    margin: 0;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.55;
    min-height: 44px;
}

.tutorial-card-footer {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 8px;
    padding-top: 14px;
    border-top: 1px solid var(--outline-variant);
}

.tutorial-card-sections {
    color: var(--clr-onSurface-04);
    font-size: 13px;
}

.tutorial-card-arrow {
    width: 16px;
    height: 16px;
    fill: var(--clr-brand);
    margin-left: auto;
    transition: transform 0.25s ease;
}

.tutorial-card:hover .tutorial-card-arrow {
    transform: translateX(4px);
}

/* Tutorial Details */
.tutorial-details {
    padding: 10px 0 0;
}

.tutorial-header {
    margin-bottom: 24px;
}

.back-button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    background: transparent;
    border: 1px solid var(--outline-variant);
    border-radius: 8px;
    color: var(--clr-onSurface-02);
    text-decoration: none;
    transition: all 0.2s ease;
    margin-bottom: 18px;
    cursor: pointer;
    font-size: 14px;
}

.back-button:hover {
    background: var(--surface-container);
    border-color: var(--clr-brand);
    color: var(--clr-brand);
}

.back-button .icon {
    width: 16px;
    height: 16px;
    fill: currentColor;
}

.tutorial-main-info {
    display: flex;
    gap: 18px;
    align-items: flex-start;
}

.tutorial-image {
    /* Show image at its original size bounded by container */
    display: block;
    width: auto;
    height: auto;
    max-width: 100%;
    object-fit: contain;
    border-radius: 12px;
    border: 1px solid var(--outline-variant);
    box-shadow: 0 6px 20px rgba(0,0,0,0.15);
}

.tutorial-info {
    flex: 1;
}

.tutorial-name {
    font-family: var(--heading-font);
    font-size: clamp(22px, 2.6vw, 28px);
    font-weight: 800;
    color: var(--clr-onSurface-01);
    margin: 0 0 6px 0;
    line-height: 1.2;
}

.tutorial-description {
    color: var(--clr-onSurface-03);
    margin: 0;
    line-height: 1.6;
    font-size: 15px;
}

/* Two-column layout */
.tutorial-body {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 24px;
}

.tutorial-sidebar {
    position: sticky;
    top: 20px;
    height: fit-content;
}

.toc {
    background: var(--surface-container-low);
    border: 1px solid var(--outline-variant);
    border-radius: 12px;
    padding: 16px;
}

.toc-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 800;
    color: var(--clr-onSurface-01);
    margin-bottom: 10px;
    letter-spacing: .2px;
}

.toc-title .icon {
    width: 16px;
    height: 16px;
    fill: currentColor;
}

.toc-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.toc-link {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--clr-onSurface-03);
    text-decoration: none;
    padding: 8px 10px;
    border-radius: 8px;
    transition: all 0.15s ease;
}

.toc-link:hover {
    background: var(--surface-container);
    color: var(--clr-onSurface-01);
}

.toc-link .section-order {
    transform: scale(.9);
}

.toc-link.active {
    background: rgba(var(--clr-brand-rgb), 0.12);
    color: var(--clr-brand);
    border: 1px solid rgba(var(--clr-brand-rgb), 0.25);
}

/* Tutorial Sections */
.tutorial-sections {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.tutorial-section {
    background: var(--surface-container-low);
    border-radius: 14px;
    padding: 20px;
    border: 1px solid var(--outline-variant);
}

.tutorial-section-header {
    margin-bottom: 12px;
    border-bottom: 1px dashed var(--outline-variant);
    padding-bottom: 10px;
}

.tutorial-section-title {
    font-family: var(--heading-font);
    font-size: clamp(18px, 2.1vw, 20px);
    font-weight: 800;
    color: var(--clr-onSurface-01);
    margin: 0 0 6px 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-order {
    background: var(--clr-brand);
    color: var(--clr-onBrand);
    font-size: 12px;
    font-weight: 800;
    padding: 3px 10px;
    border-radius: 999px;
    min-width: 30px;
    text-align: center;
}

.tutorial-section-description {
    color: var(--clr-onSurface-03);
    margin: 0;
    line-height: 1.6;
}

.inline-section-image{
  max-width:100%;
  height:auto;
  display:inline-block;
  vertical-align:middle;
  margin: 6px 0;
  border-radius:8px;
}
.tutorial-section-description{ white-space: normal; }

.tutorial-section-content {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Section Images */
.section-images {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 14px;
}

.section-image {
    width: 100%;
    height: 160px;
    object-fit: cover;
    border-radius: 10px;
    border: 1px solid var(--outline-variant);
    box-shadow: 0 6px 18px rgba(0,0,0,0.12);
}

/* Section Steps */
.section-steps {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.section-step {
    display: flex;
    gap: 14px;
    padding: 14px;
    background: var(--surface-container);
    border-radius: 12px;
    border: 1px solid var(--outline-variant);
}

.step-icon {
    width: 40px;
    height: 40px;
    background: var(--clr-brand);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(var(--clr-brand-rgb), .35);
}

.step-icon svg,
.step-icon i {
    width: 20px;
    height: 20px;
    fill: var(--clr-onBrand);
    color: var(--clr-onBrand);
}

.step-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.step-title {
    font-family: var(--heading-font);
    font-size: 16px;
    font-weight: 700;
    color: var(--clr-onSurface-01);
    margin: 0;
}

.step-description {
    color: var(--clr-onSurface-03);
    margin: 0;
    line-height: 1.55;
}

.step-image {
    width: 100%;
    max-width: 360px;
    height: auto;
    object-fit: cover;
    border-radius: 8px;
    border: 1px solid var(--outline-variant);
    margin-top: 6px;
    box-shadow: 0 6px 18px rgba(0,0,0,0.12);
}

/* Section Rules */
.section-rules {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.section-rule {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 12px 14px;
    border-radius: 10px;
    border-left: 4px solid var(--clr-brand);
    background: var(--surface-container);
}

.rule-bullet {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: currentColor;
    margin-top: 8px;
    flex-shrink: 0;
}

.rule-text {
    color: var(--clr-onSurface-02);
    margin: 0;
    line-height: 1.55;
}

/* Responsive Design */
@media (max-width: 992px) {
    .tutorial-body {
        grid-template-columns: 1fr;
    }

    .tutorial-sidebar {
        position: static;
        order: -1;
    }
}

@media (max-width: 768px) {
    .tutoriais-content {
        padding: 0 16px 24px;
    }

    .tutoriais-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .tutorial-main-info {
        flex-direction: column;
        gap: 16px;
    }

    .tutorial-image {
        width: auto;
        max-width: 100%;
        height: auto;
        object-fit: contain;
    }

    .tutorial-section {
        padding: 16px;
    }

    .section-images {
        grid-template-columns: 1fr;
    }

    .section-step {
        flex-direction: column;
        gap: 12px;
    }
}

@media (max-width: 480px) {
    .tutoriais-content {
        padding: 0 12px 18px;
    }

    .tutorial-section-title {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
}

/* Animations */
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Smooth transitions for dynamic content */
.tutoriais-list,
.tutorial-details {
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.tutoriais-list.fade-in,
.tutorial-details.fade-in {
    opacity: 1;
    transform: translateY(0);
}

.tutoriais-list.fade-out,
.tutorial-details.fade-out {
    opacity: 0;
    transform: translateY(10px);
}