/* Estilos gerais existentes */
body {
    font-family: Arial, sans-serif;
    background: #f9f9f9;
    margin: 0;
    padding: 0;
    color: #222;
}

.login-container, .mensagem, .flash, .indicadores, .grafico, .comentarios-feed, .kanban-board, .kanban-col, .table-responsive {
    max-width: 98vw;
    box-sizing: border-box;
}

/* Responsividade para tabelas */
.table-responsive {
    overflow-x: auto;
}
table {
    width: 100%;
    border-collapse: collapse;
    min-width: 600px;
}
@media (max-width: 800px) {
    table, thead, tbody, th, td, tr {
        display: block;
    }
    thead tr {
        display: none;
    }
    tr {
        margin-bottom: 15px;
        border-bottom: 2px solid #eee;
    }
    td {
        position: relative;
        padding-left: 50%;
        min-height: 40px;
        border: none;
        border-bottom: 1px solid #eee;
    }
    td:before {
        position: absolute;
        left: 10px;
        top: 10px;
        width: 45%;
        white-space: nowrap;
        font-weight: bold;
        color: #555;
        content: attr(data-label);
    }
}

/* Responsividade para formulários */
form {
    max-width: 500px;
    margin: 0 auto 20px auto;
    padding: 10px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 1px 4px #0001;
}
@media (max-width: 600px) {
    form {
        max-width: 98vw;
        padding: 5px;
    }
    input, select, textarea, button {
        width: 100% !important;
        box-sizing: border-box;
        margin-bottom: 10px;
    }
}

/* Responsividade para Kanban */
.kanban-board {
    flex-wrap: wrap;
}
@media (max-width: 900px) {
    .kanban-board {
        flex-direction: column;
        gap: 8px;
    }
    .kanban-col {
        min-width: 0;
        width: 100%;
    }
}

/* Responsividade para indicadores do dashboard */
@media (max-width: 700px) {
    .indicadores {
        flex-direction: column;
        gap: 10px;
    }
    .indicador {
        min-width: 0;
        width: 100%;
    }
}

/* Ajustes para botões e navegação */
button, .btn {
    padding: 8px 16px;
    border-radius: 5px;
    border: none;
    background: #007bff;
    color: #fff;
    font-weight: bold;
    cursor: pointer;
    margin-bottom: 5px;
}
button:hover, .btn:hover {
    background: #0056b3;
}

@media (max-width: 600px) {
    .login-container, .mensagem, .flash, .indicadores, .grafico, .comentarios-feed, .kanban-board, .kanban-col {
        padding: 5px !important;
        margin: 0 !important;
    }
}

:root {
    --bg: #f9f9f9;
    --text: #222;
    --card: #fff;
    --primary: #007bff;
    --primary-dark: #0056b3;
    --success: #d4edda;
    --success-text: #155724;
    --danger: #f8d7da;
    --danger-text: #721c24;
    --info: #d1ecf1;
    --info-text: #0c5460;
}

form, .login-container, .indicador, .grafico, .kanban-col, .comentarios-feed, .flash {
    background: var(--card);
}

button, .btn {
    background: var(--primary);
}

button:hover, .btn:hover {
    background: var(--primary-dark);
}

.flash-success { background: var(--success); color: var(--success-text); border: 1px solid #c3e6cb; }
.flash-danger { background: var(--danger); color: var(--danger-text); border: 1px solid #f5c6cb; }
.flash-info { background: var(--info); color: var(--info-text); border: 1px solid #bee5eb; }

/* Modo escuro */
body.dark {
    --bg: #181a1b;
    --text: #e0e0e0;
    --card: #23272b;
    --primary: #339af0;
    --primary-dark: #1864ab;
    --success: #234d20;
    --success-text: #b7f7b7;
    --danger: #4d2323;
    --danger-text: #f7b7b7;
    --info: #1b2a4d;
    --info-text: #b7d0f7;
}

/* Botão de alternância de modo */
#toggle-dark {
    position: fixed;
    bottom: 18px;
    right: 18px;
    z-index: 999;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 50%;
    width: 48px;
    height: 48px;
    font-size: 1.5em;
    box-shadow: 0 2px 8px #0002;
    cursor: pointer;
    transition: background 0.2s;
}
#toggle-dark:hover {
    background: var(--primary-dark);
}