/* Tema Principal Spark - Baseado no style.css fornecido */
:root {
    --primary: #0d6efd;
    --secondary: #6c757d;
    --success: #198754;
    --danger: #dc3545;
    --warning: #ffc107;
    --info: #0dcaf0;
    --light: #f8f9fa;
    --dark: #212529;
    --bg: #f7fbff;
    --text: #1b2b34;
    --muted: #6b7280;
    --line: #cfe3ea;
    
    /* CORES DE PRIORIDADE DO PROTÓTIPO */
    --low-bg: #eff6ff; 
    --low-text: #1d4ed8; 
    --low-border: #bfdbfe;
    --mid-bg: #fff7ed;
    --mid-text: #9a3412;
    --mid-border: #fed7aa;
    --high-bg: #fef2f2;
    --high-text: #b91c1c;
    --high-border: #fecaca;
    --task-status-bg: #eef2ff;
    --task-status-text: #3730a3;
    
    /* Cor de fundo para tarefa concluída */
    --task-done-bg: #f0fdf4; /* Verde bem claro */
    --task-done-border: #bbf7d0;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

/* Layout Principal */
.app {
    display: flex;
    min-height: 100vh;
}

/* Topbar */
.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #fff;
    padding: 12px 20px;
    border-bottom: 1px solid var(--line);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.brand {
    font-weight: 700;
    color: var(--primary);
    font-size: 1.5rem;
}

.user-area {
    display: flex;
    align-items: center;
    gap: 12px;
}

.username {
    color: var(--muted);
    font-weight: 500;
}

/* Sidebar */
.sidebar {
    width: 250px;
    background: #fff;
    border-right: 1px solid var(--line);
    padding: 20px 0;
    min-height: calc(100vh - 60px);
}

.sidebar nav {
    display: flex;
    flex-direction: column;
}

.sidebar a {
    display: block;
    padding: 12px 20px;
    color: var(--text);
    text-decoration: none;
    border-left: 3px solid transparent;
    transition: all 0.3s ease;
}

.sidebar a:hover {
    background: var(--bg);
    border-left-color: var(--primary);
    color: var(--primary);
}

.sidebar a.active {
    background: var(--bg);
    border-left-color: var(--primary);
    color: var(--primary);
    font-weight: 600;
}

/* Conteúdo Principal */
.content {
    flex: 1;
    padding: 20px;
    background: var(--bg);
}

/* Cards */
.card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 2px 8px rgba(13, 31, 68, 0.06);
}

.card-header {
    display: flex;
    justify-content: between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--line);
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text);
}

/* Botões */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: #fff;
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.btn:hover {
    box-shadow: 0 1px 6px rgba(0,0,0,0.08);
    transform: translateY(-1px);
}

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

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

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

.btn.small {
    padding: 6px 12px;
    font-size: 0.8rem;
}

/* Tabelas */
.table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.table th,
.table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid var(--line);
}

.table th {
    background: var(--bg);
    font-weight: 600;
    color: var(--text);
}

.table tr:hover {
    background: #f8fafc;
}

/* Formulários */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: var(--text);
}

.form-control {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--line);
    border-radius: 8px;
    font-size: 0.9rem;
    transition: border-color 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.1);
}

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

/* Alertas */
.alert {
    padding: 12px 16px;
    border-radius: 8px;
    margin: 15px 0;
    border: 1px solid transparent;
}

.alert.success {
    background: #ecfdf5;
    border-color: #10b981;
    color: #065f46;
}

.alert.error {
    background: #fef2f2;
    border-color: #ef4444;
    color: #991b1b;
}

.alert.warning {
    background: #fffbeb;
    border-color: #f59e0b;
    color: #92400e;
}

/* Paginação */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 20px;
}

.pagination .btn {
    padding: 6px 12px;
}

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

/* Footer */
.footer {
    text-align: center;
    padding: 20px;
    color: var(--muted);
    border-top: 1px solid var(--line);
    margin-top: 40px;
}

/* Responsividade */
@media (max-width: 768px) {
    .app {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
        min-height: auto;
        border-right: none;
        border-bottom: 1px solid var(--line);
    }
    
    .sidebar nav {
        flex-direction: row;
        overflow-x: auto;
    }
    
    .sidebar a {
        white-space: nowrap;
        border-left: none;
        border-bottom: 3px solid transparent;
    }
    
    .sidebar a:hover,
    .sidebar a.active {
        border-left-color: transparent;
        border-bottom-color: var(--primary);
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .table {
        font-size: 0.8rem;
    }
    
    .table th,
    .table td {
        padding: 8px 10px;
    }
}

/* Utilitários */
.text-center { text-align: center; }
.text-right { text-align: right; }
.mb-0 { margin-bottom: 0; }
.mt-20 { margin-top: 20px; }
.mb-20 { margin-bottom: 20px; }
.hidden { display: none; }

/* --- NOVOS ESTILOS PARA O MÓDULO DE TAREFAS --- */
.task-grid {
    display: grid;
    grid-template-columns: 1fr 1fr; /* Coluna dupla como no protótipo */
    gap: 20px;
}

@media (max-width: 920px){
    .task-grid {
        grid-template-columns: 1fr;
    }
}

.task-card {
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 20px;
    background: #fff;
    box-shadow: 0 4px 12px rgba(0,0,0,.05);
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.task-card.done {
    border: 1px solid var(--task-done-border); 
    background: var(--task-done-bg); 
    opacity: 0.85;
}

.task-card .title {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text);
}

.task-card .meta {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    font-size: 0.9rem;
    color: var(--muted);
}

.task-card .footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto; /* Empurra para o rodapé */
    padding-top: 10px;
    border-top: 1px solid #f0f0f0;
}

.task-card .actions {
    display: flex;
    gap: 5px;
}

/* Badges de Prioridade (Baseado no style.css do protótipo) */
.badge {
    padding: 3px 8px;
    border-radius: 999px;
    font-weight: 700;
    font-size: 0.75rem;
    display: inline-block;
    white-space: nowrap;
}

.badge.prioridade-baixa {
    background: var(--low-bg);
    color: var(--low-text);
    border: 1px solid var(--low-border);
}

.badge.prioridade-media {
    background: var(--mid-bg);
    color: var(--mid-text);
    border: 1px solid var(--mid-border);
}

.badge.prioridade-alta {
    background: var(--high-bg);
    color: var(--high-text);
    border: 1px solid var(--high-border);
}

.badge.status {
    background: var(--task-status-bg);
    color: var(--task-status-text);
    border: 1px solid var(--task-status-text);
    padding: 4px 10px;
    font-weight: 500;
}

/* Novo estilo de botão para Finalizar/Concluir (Greenline) */
.btn.greenline {
    border: 2px solid var(--success);
    color: var(--success);
    background: #fff;
    font-weight: 600;
}
.btn.greenline:hover {
    background: var(--success);
    color: #fff;
}
/* --- FIM DOS NOVOS ESTILOS --- */