/* Reset básico e variáveis de tema */
:root {
    --primary-color: #007bff;
    --secondary-color: #6c757d;
    --background-light: #f8f9fa;
    --text-light: #212529;
    --card-bg-light: #ffffff;
    --border-light: #dee2e6;

    --background-dark: #1a1a1a;
    --text-dark: #e0e0e0;
    --card-bg-dark: #2c2c2c;
    --border-dark: #444;

    --success-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --info-color: #17a2b8;

    --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --border-radius: 8px; /* Um pouco mais arredondado */
    --box-shadow: 0 4px 8px rgba(0, 0, 0, 0.08);
}

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

body {
    font-family: var(--font-family);
    background-color: var(--background-light);
    color: var(--text-light);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
    font-size: 16px;
}

/* Estilos do Modo Escuro */
body.dark-mode {
    background-color: var(--background-dark);
    color: var(--text-dark);
}

.container {
    max-width: 1200px;
    margin: 20px auto;
    padding: 0 15px;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-light);
}

body.dark-mode header {
    border-bottom-color: var(--border-dark);
}

header h1 {
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.8rem;
}

#theme-toggle {
    background: none;
    border: 1px solid var(--secondary-color);
    color: var(--secondary-color);
    padding: 8px 12px;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 1rem;
}
#theme-toggle:hover {
    background-color: var(--secondary-color);
    color: var(--card-bg-light);
}
body.dark-mode #theme-toggle {
     border-color: var(--text-dark);
     color: var(--text-dark);
}
body.dark-mode #theme-toggle:hover {
    background-color: var(--text-dark);
    color: var(--card-bg-dark);
}

/* Utilitários */
.hidden {
    display: none !important;
}

.card {
    background-color: var(--card-bg-light);
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius);
    padding: 25px;
    margin-bottom: 25px;
    box-shadow: var(--box-shadow);
}
body.dark-mode .card {
    background-color: var(--card-bg-dark);
    border-color: var(--border-dark);
}

/* Estilos para card-inset (usado em quick-access-consumption-info) */
.card-inset {
    background-color: var(--background-light);
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius);
    padding: 15px;
    margin-top: 20px;
}
body.dark-mode .card-inset {
    background-color: var(--card-bg-dark); /* Um pouco diferente do card principal no dark mode */
    border-color: var(--border-dark);
}
.card-inset h4 {
    margin-bottom: 8px;
    font-size: 1rem;
    color: var(--secondary-color);
}
.card-inset p {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}
.card-inset small {
    font-size: 0.85rem;
    color: var(--secondary-color);
}


/* Formulários */
section h2, form h3, .card h3, .card h4 {
    margin-bottom: 15px;
    color: var(--primary-color);
    border-bottom: 1px solid #e0e0e0;
    padding-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.4rem;
}
form h3, .card h3 {
    font-size: 1.2rem;
}
.card h4 { /* Para sub-cabeçalhos como "Histórico" */
    font-size: 1.1rem;
    color: var(--secondary-color);
    border-bottom-style: dashed;
}

body.dark-mode section h2,
body.dark-mode form h3,
body.dark-mode .card h3,
body.dark-mode .card h4 {
     border-bottom-color: var(--border-dark);
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr; /* Mobile first - uma coluna */
    gap: 15px;
    margin-bottom: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
}
.form-group label {
    margin-bottom: 6px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.95rem;
}
.form-group input[type="text"],
.form-group input[type="number"],
.form-group input[type="date"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius);
    font-size: 1rem;
    background-color: var(--background-light);
    color: var(--text-light);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.25);
}


.form-group textarea {
    min-height: 80px;
    resize: vertical;
}

body.dark-mode .form-group input[type="text"],
body.dark-mode .form-group input[type="number"],
body.dark-mode .form-group input[type="date"],
body.dark-mode .form-group select,
body.dark-mode .form-group textarea {
    background-color: #3a3a3a; /* Input background um pouco mais claro que o card */
    color: var(--text-dark);
    border-color: #555; /* Borda mais escura */
}
body.dark-mode .form-group input:focus,
body.dark-mode .form-group select:focus,
body.dark-mode .form-group textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.35);
}

body.dark-mode .form-group input::placeholder,
body.dark-mode .form-group textarea::placeholder {
    color: #999;
}


button[type="submit"],
.maintenance-nav button,
#back-to-vehicles,
.action-button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 12px 18px;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    transition: background-color 0.2s ease, transform 0.1s ease;
    margin-top: 10px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
button[type="submit"]:hover,
.maintenance-nav button:hover,
#back-to-vehicles:hover,
.action-button:hover {
    background-color: #0056b3;
}
button[type="submit"]:active,
.maintenance-nav button:active,
#back-to-vehicles:active,
.action-button:active {
    transform: translateY(1px);
}

.action-button.delete {
    background-color: var(--danger-color);
}
.action-button.delete:hover {
    background-color: #c82333;
}

/* Lista de Veículos */
#vehicle-list {
    list-style: none;
    padding: 0;
}
#vehicle-list li {
    background-color: var(--background-light); /* Fundo sutil para itens da lista */
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius);
    padding: 15px 20px;
    margin-bottom: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    transition: box-shadow 0.2s ease;
}
#vehicle-list li:hover {
    box-shadow: 0 2px 10px rgba(0,0,0,0.07);
}
body.dark-mode #vehicle-list li {
    background-color: #282828; /* Fundo sutil para itens da lista no dark mode */
    border-color: var(--border-dark);
}
body.dark-mode #vehicle-list li:hover {
     box-shadow: 0 2px 10px rgba(255,255,255,0.05);
}

#vehicle-list li .vehicle-info {
    flex-grow: 1;
}
#vehicle-list li .vehicle-name-plate {
    font-weight: bold;
    font-size: 1.1rem;
    color: var(--primary-color);
}
#vehicle-list li .vehicle-details-small {
    font-size: 0.9rem;
    color: var(--secondary-color);
    display: block; /* Para que o <br> funcione bem */
}
#vehicle-list li .vehicle-actions {
    display: flex;
    gap: 10px;
    flex-shrink: 0; /* Impede que os botões encolham demais */
}
#vehicle-list li .action-button {
    padding: 8px 12px;
    font-size: 0.9rem;
}
#vehicle-list li.placeholder {
    text-align: center;
    color: var(--secondary-color);
    font-style: italic;
    border: 1px dashed var(--border-light);
    padding: 20px;
    background-color: transparent;
}
body.dark-mode #vehicle-list li.placeholder {
    border-color: var(--border-dark);
}

/* Seção de Detalhes do Veículo */
#selected-vehicle-info {
    margin-bottom: 20px;
    color: var(--primary-color);
    font-size: 1.5rem;
    font-weight: 600;
}
#back-to-vehicles {
    margin-bottom: 20px;
    background-color: var(--secondary-color);
}
#back-to-vehicles:hover {
    background-color: #545b62;
}

/* Navegação das Abas de Manutenção */
.maintenance-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 10px;
}
.maintenance-nav button {
    background-color: var(--secondary-color);
    margin-top: 0;
    font-size: 0.95rem;
    padding: 10px 15px;
}
.maintenance-nav button.active {
    background-color: var(--primary-color);
    font-weight: bold;
}
.maintenance-nav button:hover:not(.active) {
    background-color: var(--info-color);
}
.maintenance-nav button.active:hover {
     background-color: #0056b3;
}

/* Tabelas de Histórico */
.log-history-container {
    max-height: 450px;
    overflow-y: auto;
    margin-top: 20px;
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius);
    background-color: var(--background-light); /* Fundo para a tabela */
}
body.dark-mode .log-history-container {
    border-color: var(--border-dark);
    background-color: #282828; /* Fundo para a tabela no dark mode */
}

.log-table {
    width: 100%;
    border-collapse: collapse;
}
.log-table th, .log-table td {
    border: 1px solid var(--border-light);
    padding: 10px 14px;
    text-align: left;
    vertical-align: middle;
    font-size: 0.9rem;
}
.log-table th {
    background-color: #e9ecef; /* Cor de cabeçalho mais sutil */
    font-weight: 600;
    position: sticky;
    top: 0;
    z-index: 1;
}
body.dark-mode .log-table th, body.dark-mode .log-table td {
    border-color: #4a4a4a; /* Borda da tabela no dark mode */
}
body.dark-mode .log-table th {
    background-color: #333; /* Cabeçalho da tabela no dark mode */
}

.log-table tbody tr:nth-child(even) {
    background-color: rgba(0, 0, 0, 0.02);
}
body.dark-mode .log-table tbody tr:nth-child(even) {
    background-color: rgba(255, 255, 255, 0.03);
}
.log-table td:last-child {
    text-align: center;
    white-space: nowrap;
}
.log-table .action-button {
    padding: 6px 10px;
    font-size: 0.85rem;
    margin: 0 2px;
}
.log-table .consumption-value {
    font-weight: bold;
    color: var(--info-color);
}
.log-table .consumption-value.low {
    color: var(--warning-color);
}
.log-table .consumption-value.very-low {
     color: var(--danger-color);
}

/* Alertas de Manutenção */
.dashboard-alerts ul {
    list-style: none;
    padding: 0;
}
.dashboard-alerts li {
    padding: 10px 0;
    border-bottom: 1px dashed var(--border-light);
    color: var(--warning-color);
    font-weight: bold;
    font-size: 0.95rem;
}
body.dark-mode .dashboard-alerts li {
     border-bottom-color: var(--border-dark);
}
.dashboard-alerts li:last-child {
    border-bottom: none;
}
.dashboard-alerts li.placeholder {
    color: var(--secondary-color);
    font-style: italic;
    font-weight: normal;
    border-bottom: none;
}
.dashboard-alerts li .alert-date {
    color: var(--danger-color);
}
.dashboard-alerts li .alert-km {
     color: var(--info-color);
}

/* Dashboard */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 25px;
}
.dashboard-widget {
    background-color: var(--background-light);
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius);
    padding: 20px;
    text-align: center;
}
body.dark-mode .dashboard-widget {
    background-color: #282828;
    border-color: var(--border-dark);
}
.dashboard-widget h4 {
    margin-bottom: 10px;
    color: var(--secondary-color);
    font-size: 1rem;
    border: none;
    padding-bottom: 0;
}
.dashboard-widget p {
    font-size: 1.6rem;
    font-weight: bold;
    color: var(--primary-color);
}

.chart-container {
    margin-top: 30px;
    padding: 20px;
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius);
    background-color: var(--card-bg-light); /* Usar cor do card */
}
body.dark-mode .chart-container {
    background-color: var(--card-bg-dark);
    border-color: var(--border-dark);
}
.chart-container h4 {
     border: none;
     padding-bottom: 0;
     margin-bottom: 15px;
     color: var(--secondary-color);
     text-align: center;
     font-size: 1.1rem;
}
canvas {
    max-width: 100%;
    height: auto !important;
}


/* Footer */
footer {
    text-align: center;
    margin-top: 30px;
    padding: 20px 0;
    border-top: 1px solid var(--border-light);
    color: var(--secondary-color);
    font-size: 0.9rem;
}
body.dark-mode footer {
    border-top-color: var(--border-dark);
}


/* Responsividade */
@media (max-width: 767px) {
    .log-table thead {
        display: none; /* Esconde cabeçalho em telas pequenas */
    }
    .log-table, .log-table tbody, .log-table tr, .log-table td {
        display: block;
        width: 100%;
    }
    .log-table tr {
        margin-bottom: 15px;
        border: 1px solid var(--border-light);
        border-radius: var(--border-radius);
        padding: 10px;
    }
    body.dark-mode .log-table tr {
        border-color: var(--border-dark);
    }
    .log-table td {
        text-align: right; /* Alinha valor à direita */
        padding-left: 50%; /* Espaço para o "label" */
        position: relative;
        border: none; /* Remove bordas internas das células */
        border-bottom: 1px dashed #eee; /* Linha separadora suave */
        padding-bottom: 8px;
        margin-bottom: 8px;
    }
    body.dark-mode .log-table td {
        border-bottom-color: #444;
    }
    .log-table td:last-child {
        border-bottom: none; /* Remove última linha do último td */
        text-align: center; /* Centraliza botão de ação */
        padding-left: 0;
    }
    .log-table td::before {
        content: attr(data-label); /* Pega o texto do atributo data-label */
        position: absolute;
        left: 10px;
        width: calc(50% - 20px); /* Largura do label */
        padding-right: 10px;
        font-weight: bold;
        text-align: left;
        white-space: nowrap;
    }
}


/* Tablets e Desktops Pequenos */
@media (min-width: 768px) {
    .form-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .form-group-span-2 {
        grid-column: span 2;
    }
     #vehicle-list li .vehicle-info {
        flex-basis: auto;
    }
}

/* Aumenta um pouco a fonte base em telas maiores */
@media (min-width: 992px) {
    body {
        font-size: 16.5px;
    }
    header h1 {
      font-size: 2rem;
    }
}