/**
 * Editor de Infográficos - Stylesheet
 * Desenvolvido por B20 Conteúdo Digital
 * https://www.b20.com.br
 * Todos os direitos reservados
 */

/* ===== CSS Variables ===== */
:root {
    --primary-color: #833AB4;
    --secondary-color: #FD1D1D;
    --accent-1: #F77737;
    --accent-2: #FCAF45;
    --accent-3: #FFDC80;
    
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #e9ecef;
    
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --text-light: #ffffff;
    
    --border-color: #dee2e6;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.2);
    
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    
    --border-radius: 8px;
    --transition: all 0.3s ease;
    
    --header-height: 60px;
    --bottom-nav-height: 60px;
}

/* ===== Reset & Base Styles ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-secondary);
    padding-top: var(--header-height);
    padding-bottom: var(--bottom-nav-height);
    min-height: 100vh;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
}

h1 { font-size: 1.75rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.1rem; }

p {
    margin-bottom: var(--spacing-md);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--secondary-color);
}

/* ===== Header ===== */
.app-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--text-light);
    box-shadow: var(--shadow-md);
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
    padding: 0 var(--spacing-md);
    max-width: 1400px;
    margin: 0 auto;
}

.app-title {
    font-size: 1.25rem;
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.app-title i {
    font-size: 1.5rem;
}

.app-title .logo-img {
    width: 52px;
    height: 52px;
    object-fit: contain;
}

/* ===== Buttons ===== */
.btn-primary,
.btn-secondary,
.btn-danger,
.btn-save,
.btn-export,
.btn-preview,
.btn-back {
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: var(--border-radius);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    min-height: 44px;
    min-width: 44px;
    justify-content: center;
}

.btn-primary {
    background: var(--primary-color);
    color: var(--text-light);
}

.btn-primary:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: var(--border-color);
}

.btn-danger {
    background: #dc3545;
    color: var(--text-light);
}

.btn-danger:hover {
    background: #c82333;
}

.btn-save,
.btn-export,
.btn-preview {
    background: rgba(255, 255, 255, 0.2);
    color: var(--text-light);
    backdrop-filter: blur(10px);
}

.btn-save:hover,
.btn-export:hover,
.btn-preview:hover {
    background: rgba(255, 255, 255, 0.3);
}

.btn-preview {
    border: 1px solid rgba(255, 255, 255, 0.4);
}

.btn-back {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-back:hover {
    background: var(--bg-tertiary);
}

/* ===== Main Content ===== */
.app-main {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-lg) var(--spacing-md);
}

.container {
    width: 100%;
}

.section {
    display: none;
    animation: fadeIn 0.3s ease;
}

.section.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== Welcome Banner ===== */
.welcome-banner {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-1));
    color: var(--text-light);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    text-align: center;
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-md);
}

.welcome-banner h2 {
    margin-bottom: var(--spacing-sm);
}

.welcome-banner p {
    margin: 0;
    opacity: 0.9;
}

/* ===== Projects Section ===== */
.projects-section {
    background: var(--bg-primary);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.section-header h3 {
    margin: 0;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.project-card {
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

.project-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.project-card h4 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.project-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-sm);
}

.project-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.project-actions button {
    flex: 1;
    padding: var(--spacing-sm);
    font-size: 0.85rem;
}

/* ===== Empty State ===== */
.empty-state {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md);
    color: var(--text-secondary);
}

.empty-state i {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

.empty-state h4 {
    color: var(--text-primary);
}

/* ===== Templates Section ===== */
.section-description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.category-filters {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    overflow-x: auto;
    padding-bottom: var(--spacing-sm);
}

.filter-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--border-color);
    background: var(--bg-primary);
    border-radius: 20px;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    font-size: 0.9rem;
    min-height: 44px;
}

.filter-btn:hover {
    border-color: var(--primary-color);
    background: var(--bg-secondary);
}

.filter-btn.active {
    background: var(--primary-color);
    color: var(--text-light);
    border-color: var(--primary-color);
}

.templates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.template-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.template-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.template-preview {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, var(--accent-3), var(--accent-2));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
}

.template-info {
    padding: var(--spacing-md);
}

.template-info h4 {
    margin-bottom: var(--spacing-xs);
}

.template-category {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--bg-secondary);
    border-radius: 12px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* ===== Editor Section ===== */
.editor-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.editor-header h2 {
    margin: 0;
}

.editor-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    justify-content: flex-end;
}

.editor-workspace {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: var(--spacing-lg);
    min-height: 600px;
}

.editor-sidebar {
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    overflow-y: auto;
    max-height: calc(100vh - var(--header-height) - var(--bottom-nav-height) - 100px);
}

.sidebar-section {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.sidebar-section:last-child {
    border-bottom: none;
}

.sidebar-section h3 {
    font-size: 1rem;
    margin-bottom: var(--spacing-md);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    font-size: 0.9rem;
}

.form-control {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 0.95rem;
    transition: var(--transition);
    min-height: 44px;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(131, 58, 180, 0.1);
}

.color-palette {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.color-btn {
    width: 44px;
    height: 44px;
    border: 3px solid transparent;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
}

.color-btn:hover {
    transform: scale(1.1);
    border-color: var(--text-primary);
}

.color-btn.active {
    border-color: var(--text-primary);
    box-shadow: var(--shadow-md);
}

.chart-types {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
}

.chart-type-btn {
    padding: var(--spacing-md) var(--spacing-sm);
    border: 2px solid var(--border-color);
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.85rem;
    min-height: 70px;
}

.chart-type-btn i {
    font-size: 1.5rem;
}

.chart-type-btn:hover {
    border-color: var(--primary-color);
    background: var(--bg-primary);
}

.icons-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    max-height: 300px;
    overflow-y: auto;
}

.icon-btn {
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 50px;
    min-width: 50px;
}

.icon-btn:hover {
    background: var(--primary-color);
    color: var(--text-light);
    transform: scale(1.1);
}

.editor-canvas-container {
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    display: flex;
    justify-content: center;
    align-items: flex-start;
    overflow: auto;
}

#editorCanvas {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    max-width: 100%;
    height: auto;
    box-shadow: var(--shadow-md);
}

/* ===== FAQ Section ===== */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: var(--spacing-lg);
    border: none;
    background: transparent;
    text-align: left;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
    min-height: 60px;
}

.faq-question:hover {
    background: var(--bg-secondary);
}

.faq-icon {
    font-size: 1.5rem;
    font-weight: 300;
    transition: var(--transition);
}

.faq-question[aria-expanded="true"] .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    color: var(--text-secondary);
    animation: slideDown 0.3s ease;
}

.faq-answer[hidden] {
    display: none;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.faq-answer ul,
.faq-answer ol {
    margin-left: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.faq-answer li {
    margin-bottom: var(--spacing-sm);
}

/* ===== Bottom Navigation ===== */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--bottom-nav-height);
    background: var(--bg-primary);
    box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.1);
    display: flex;
    justify-content: space-around;
    align-items: center;
    z-index: 1000;
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    padding: var(--spacing-sm);
    flex: 1;
    min-height: 44px;
    position: relative;
}

.nav-item::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    margin: auto;
    width: 72px;
    height: 72px;
    border-radius: 50%;
    transform: scale(0);
}

.nav-item i {
    font-size: 1.25rem;
}

.nav-item span {
    font-size: 0.75rem;
}

.nav-item:hover {
    color: var(--primary-color);
}

.nav-item.active {
    color: var(--primary-color);
    font-weight: 600;
}

/* ===== Footer ===== */
.app-footer {
    background: var(--bg-primary);
    padding: var(--spacing-xl) var(--spacing-md);
    text-align: center;
    color: var(--text-secondary);
    margin-top: var(--spacing-xl);
    border-top: 1px solid var(--border-color);
}

.app-footer p {
    margin-bottom: var(--spacing-sm);
}

.b20-link {
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
}

.b20-link:hover {
    text-decoration: underline;
    transform: scale(1.05);
    display: inline-block;
}

/* ===== Toast Notification ===== */
.toast {
    position: fixed;
    bottom: calc(var(--bottom-nav-height) + var(--spacing-md));
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--text-primary);
    color: var(--text-light);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    z-index: 2000;
    opacity: 0;
    transition: var(--transition);
    max-width: 90%;
}

.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.toast.success {
    background: #28a745;
}

.toast.error {
    background: #dc3545;
}

.toast.warning {
    background: #ffc107;
    color: var(--text-primary);
}

/* ===== Modal ===== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 3000;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
}

.modal.show {
    display: flex;
}

.modal-content {
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    margin: 0;
}

.modal-close {
    background: transparent;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
    transition: var(--transition);
    min-height: 44px;
    min-width: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: var(--spacing-lg);
}

.preview-modal-content {
    max-width: 720px;
}

.preview-modal-body {
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
}

#previewImage {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.modal-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
}

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
    .app-title {
        font-size: 1rem;
    }
    
    .app-title span {
        display: none;
    }
    
    .btn-save span,
    .btn-export span,
    .btn-preview span {
        display: none;
    }
    .editor-workspace {
        grid-template-columns: 1fr;
    }
    
    .editor-sidebar {
        max-height: none;
    }
    
    .projects-grid,
    .templates-grid {
        grid-template-columns: 1fr;
    }
    
    .section-header {
        flex-direction: column;
        align-items: stretch;
    }
    
    .category-filters {
        flex-wrap: nowrap;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-md: 0.75rem;
        --spacing-lg: 1rem;
        --spacing-xl: 1.5rem;
    }
    
    .welcome-banner {
        padding: var(--spacing-lg);
    }
    
    .projects-section {
        padding: var(--spacing-md);
    }
    
    .chart-types {
        grid-template-columns: 1fr;
    }
    
    .icons-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ===== Accessibility ===== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

*:focus-visible {
    outline: 3px solid var(--primary-color);
    outline-offset: 2px;
}

/* ===== Print Styles ===== */
@media print {
    .app-header,
    .bottom-nav,
    .app-footer,
    .editor-sidebar {
        display: none;
    }
    
    .app-main {
        padding: 0;
    }
    
    .editor-canvas-container {
        box-shadow: none;
    }
}