/* Reset e configurações base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Cores Light Mode */
    --bg-primary: #ffffff;
    --bg-secondary: #f5f5f7;
    --bg-tertiary: #e5e5e7;
    --text-primary: #1d1d1f;
    --text-secondary: #6e6e73;
    --border-color: #d2d2d7;
    --shadow: rgba(0, 0, 0, 0.1);
    --shadow-hover: rgba(0, 0, 0, 0.15);
    
    /* Cor de destaque (Apple Blue) */
    --accent: #007aff;
    --accent-hover: #0051d5;
    
    /* Status colors */
    --success: #34c759;
    --warning: #ff9500;
    --error: #ff3b30;
    --info: #5ac8fa;
}

[data-theme="dark"] {
    /* Cores Dark Mode */
    --bg-primary: #000000;
    --bg-secondary: #1c1c1e;
    --bg-tertiary: #2c2c2e;
    --text-primary: #ffffff;
    --text-secondary: #98989d;
    --border-color: #38383a;
    --shadow: rgba(0, 0, 0, 0.5);
    --shadow-hover: rgba(0, 0, 0, 0.7);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Container principal */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
.header {
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    padding: 16px 0;
    transition: background-color 0.3s ease;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-title {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
}

.header-actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

.user-info {
    font-size: 14px;
    color: var(--text-secondary);
}

/* Botão tema */
.theme-toggle {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background-color: var(--bg-tertiary);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    font-size: 20px;
}

.theme-toggle:hover {
    transform: scale(1.05);
    background-color: var(--border-color);
}

/* Botões */
.btn {
    padding: 10px 20px;
    border-radius: 12px;
    border: none;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.btn-primary {
    background-color: var(--accent);
    color: white;
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px var(--shadow-hover);
}

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

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

.btn-danger {
    background-color: var(--error);
    color: white;
}

.btn-danger:hover {
    opacity: 0.9;
}

.btn-success {
    background-color: var(--success);
    color: white;
}

.btn-small {
    padding: 6px 12px;
    font-size: 12px;
}

/* Cards */
.card {
    background-color: var(--bg-primary);
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 2px 8px var(--shadow);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.card:hover {
    box-shadow: 0 4px 16px var(--shadow-hover);
    transform: translateY(-2px);
}

.card-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.card-description {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.card-meta {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 8px;
    font-size: 12px;
    font-weight: 500;
}

/* Grid de cards */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

/* Progress bar */
.progress-bar {
    width: 100%;
    height: 8px;
    background-color: var(--bg-tertiary);
    border-radius: 4px;
    overflow: hidden;
    margin: 12px 0;
}

.progress-fill {
    height: 100%;
    background-color: var(--accent);
    border-radius: 4px;
    transition: width 0.3s ease;
}

/* Form elements */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    font-size: 14px;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: all 0.2s ease;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
}

.modal.active {
    display: flex;
}

.modal-content {
    background-color: var(--bg-primary);
    border-radius: 20px;
    padding: 32px;
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px var(--shadow-hover);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.modal-title {
    font-size: 24px;
    font-weight: 600;
}

.modal-close {
    width: 32px;
    height: 32px;
    border: none;
    background: var(--bg-tertiary);
    border-radius: 50%;
    cursor: pointer;
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Lista de tarefas */
.task-list {
    list-style: none;
}

.task-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background-color: var(--bg-secondary);
    border-radius: 12px;
    margin-bottom: 8px;
    transition: all 0.2s ease;
}

.task-item:hover {
    background-color: var(--bg-tertiary);
}

.task-checkbox {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.task-text {
    flex: 1;
    font-size: 14px;
}

.task-text.completed {
    text-decoration: line-through;
    opacity: 0.6;
}

/* Comentários */
.comment-list {
    margin-top: 20px;
}

.comment-item {
    background-color: var(--bg-secondary);
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 12px;
}

.comment-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
}

.comment-author {
    font-weight: 600;
    font-size: 14px;
}

.comment-date {
    font-size: 12px;
    color: var(--text-secondary);
}

.comment-content {
    font-size: 14px;
    line-height: 1.5;
}

/* Login page */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-card {
    background-color: var(--bg-primary);
    border-radius: 20px;
    padding: 48px;
    max-width: 400px;
    width: 100%;
    box-shadow: 0 8px 32px var(--shadow-hover);
}

.login-title {
    font-size: 32px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 32px;
}

/* Loading */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid var(--bg-tertiary);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Alert */
.alert {
    padding: 12px 16px;
    border-radius: 12px;
    margin-bottom: 16px;
    font-size: 14px;
}

.alert-success {
    background-color: rgba(52, 199, 89, 0.1);
    color: var(--success);
    border: 1px solid var(--success);
}

.alert-error {
    background-color: rgba(255, 59, 48, 0.1);
    color: var(--error);
    border: 1px solid var(--error);
}

/* Responsive */
@media (max-width: 768px) {
    .cards-grid {
        grid-template-columns: 1fr;
    }
    
    .header-content {
        flex-direction: column;
        gap: 16px;
    }
    
    .modal-content {
        padding: 24px;
    }
}

/* Animações */
.fade-in {
    animation: fadeIn 0.3s ease;
}

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

/* Empty state */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.empty-state-icon {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state-text {
    font-size: 18px;
    margin-bottom: 8px;
}

.empty-state-subtext {
    font-size: 14px;
}

/* Card actions */
.card-actions {
    display: flex;
    gap: 8px;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

/* Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 32px;
}

.stat-card {
    background-color: var(--bg-primary);
    border-radius: 16px;
    padding: 20px;
    border: 1px solid var(--border-color);
}

.stat-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--accent);
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* Priority badges */
.badge.priority-baixa {
    background-color: #e5e5ea;
    color: #3c3c43;
}

[data-theme="dark"] .badge.priority-baixa {
    background-color: #48484a;
    color: #aeaeb2;
}

.badge.priority-media {
    background-color: #d1e7ff;
    color: #0051d5;
}

[data-theme="dark"] .badge.priority-media {
    background-color: #1e3a5f;
    color: #64a9ff;
}

.badge.priority-alta {
    background-color: #ffecd1;
    color: #cc6600;
}

[data-theme="dark"] .badge.priority-alta {
    background-color: #4d3319;
    color: #ffb366;
}

/* Status badges */
.badge.status-aberta {
    background-color: #e5e5ea;
    color: #3c3c43;
}

[data-theme="dark"] .badge.status-aberta {
    background-color: #48484a;
    color: #aeaeb2;
}

.badge.status-em_progresso {
    background-color: #d1e7ff;
    color: #0051d5;
}

[data-theme="dark"] .badge.status-em_progresso {
    background-color: #1e3a5f;
    color: #64a9ff;
}

.badge.status-concluida {
    background-color: #d1f4dd;
    color: #1a7f37;
}

[data-theme="dark"] .badge.status-concluida {
    background-color: #0f2f1b;
    color: #3fb950;
}

.badge.status-pausada {
    background-color: #fff5d1;
    color: #cc8800;
}

[data-theme="dark"] .badge.status-pausada {
    background-color: #4d3d19;
    color: #ffcc66;
}

/* Status antigos para compatibilidade */
.badge.status-pendente {
    background-color: #e5e5ea;
    color: #3c3c43;
}

[data-theme="dark"] .badge.status-pendente {
    background-color: #48484a;
    color: #aeaeb2;
}

.badge.status-em_andamento {
    background-color: #d1e7ff;
    color: #0051d5;
}

[data-theme="dark"] .badge.status-em_andamento {
    background-color: #1e3a5f;
    color: #64a9ff;
}

.badge.status-cancelada {
    background-color: #ffd1d1;
    color: #d50000;
}

[data-theme="dark"] .badge.status-cancelada {
    background-color: #4d1919;
    color: #ff6666;
}

/* Mobile Responsive Styles */
@media (max-width: 768px) {
    /* Sidebar mobile */
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        z-index: 1000;
    }
    
    .sidebar.mobile-open {
        transform: translateX(0);
    }
    
    /* Overlay para fechar sidebar */
    .mobile-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 999;
    }
    
    .mobile-overlay.active {
        display: block;
    }
    
    /* Main content sem margem lateral */
    main {
        margin-left: 0 !important;
        padding: 16px !important;
        padding-top: 80px !important; /* Compensa altura do header mobile */
    }
    
    .main-content {
        padding-top: 80px !important;
    }
    
    .content-area {
        padding: 16px !important;
    }
    
    /* Botão hamburger */
    .hamburger-btn {
        display: flex !important;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        background: none;
        border: none;
        cursor: pointer;
        color: var(--text-primary);
    }
    
    /* Cards em coluna única */
    .grid {
        grid-template-columns: 1fr !important;
    }
    
    /* Modais em tela cheia no mobile */
    .modal-content {
        width: 95% !important;
        max-width: 95% !important;
        max-height: 90vh;
        overflow-y: auto;
    }
    
    /* Formulários */
    .form-group {
        margin-bottom: 16px;
    }
    
    /* Botões em largura total */
    .btn-group-mobile {
        display: flex;
        flex-direction: column;
        gap: 8px;
    }
    
    .btn-group-mobile .btn {
        width: 100%;
    }
    
    /* Filtros empilhados */
    .filters-grid {
        grid-template-columns: 1fr !important;
    }
    
    /* Tabelas responsivas */
    table {
        display: block;
        overflow-x: auto;
    }
    
    /* Cards mais compactos */
    .card {
        padding: 16px !important;
    }
    
    /* Textos menores */
    h1 {
        font-size: 24px !important;
    }
    
    h2 {
        font-size: 20px !important;
    }
    
    h3 {
        font-size: 18px !important;
    }
    
    /* Viewer container */
    .viewer-container {
        padding: 20px 16px !important;
    }
    
    .viewer-title {
        font-size: 24px !important;
    }
    
    .info-grid {
        grid-template-columns: 1fr !important;
    }
    
    .section {
        padding: 20px !important;
    }
}

@media (max-width: 480px) {
    /* Ajustes para telas muito pequenas */
    .viewer-title {
        font-size: 20px !important;
    }
    
    .progress-circle {
        width: 120px !important;
        height: 120px !important;
    }
    
    .progress-percentage {
        font-size: 32px !important;
    }
    
    .badge {
        font-size: 11px !important;
        padding: 4px 8px !important;
    }
}

/* Hamburger icon animation */
.hamburger-icon {
    width: 24px;
    height: 2px;
    background-color: currentColor;
    position: relative;
    transition: background-color 0.3s;
}

.hamburger-icon::before,
.hamburger-icon::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background-color: currentColor;
    transition: transform 0.3s;
}

.hamburger-icon::before {
    top: -8px;
}

.hamburger-icon::after {
    top: 8px;
}

.hamburger-btn.active .hamburger-icon {
    background-color: transparent;
}

.hamburger-btn.active .hamburger-icon::before {
    transform: rotate(45deg) translate(6px, 6px);
}

.hamburger-btn.active .hamburger-icon::after {
    transform: rotate(-45deg) translate(6px, -6px);
}