/* Variáveis */
:root {
    --primary-blue: #6A8EAE;
    --primary-blue-dark: #5A7B9C;
    --secondary-light: #DCE2E8;
    --accent-green: #A8DADC;
    --text-dark: #333333;
    --text-muted: #0a0a0a;
    --background-light: #F8F9FA;
    --error-red: #dc3545;
    --success-green: #28a745;

    --grau-sem-urgencia: #94A3B8;
    --grau-atencao: #38B2AC;
    --grau-urgente: #F59E0B;
    --grau-critico: #F97316;
    --grau-irregular: #DC2626;
}

* { box-sizing: border-box; }

body {
    font-family: 'Open Sans', sans-serif;
    background-color: var(--background-light);
    margin: 0;
    padding: 0;
    color: var(--text-dark);
    line-height: 1.6;
}

main {
    max-width: 1280px;
    margin: 30px auto;
    padding: 0 24px 60px;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 28px;
}

.page-header h1 {
    color: var(--primary-blue);
    font-size: 2.2em;
    font-weight: 700;
    margin: 0 0 6px 0;
}

.page-subtitle {
    margin: 0;
    color: var(--text-muted);
    font-size: 1.02em;
    max-width: 640px;
}

/* Botões */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px 20px;
    border-radius: 8px;
    border: 1px solid transparent;
    font-size: 0.98em;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: background-color 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
}

.btn-primary {
    background-color: var(--primary-blue);
    color: #fff;
}
.btn-primary:hover {
    background-color: var(--primary-blue-dark);
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: #fff;
    color: var(--primary-blue);
    border-color: var(--secondary-light);
}
.btn-secondary:hover {
    background-color: var(--background-light);
    border-color: var(--primary-blue);
}

/* Mensagem */
.mensagem {
    margin: 0 0 18px;
    padding: 12px 16px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.98em;
}

.mensagem.sucesso {
    color: var(--success-green);
    background-color: #e6ffed;
    border: 1px solid #b2dfc9;
}

.mensagem.erro {
    color: var(--error-red);
    background-color: #ffe6e6;
    border: 1px solid #f5c6cb;
}

/* Tabs */
.tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 18px;
    background-color: #fff;
    border-radius: 12px;
    padding: 6px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.04);
    overflow-x: auto;
}

.tab {
    flex: 1;
    background: transparent;
    border: none;
    padding: 14px 18px;
    border-radius: 8px;
    cursor: pointer;
    font-family: inherit;
    text-align: left;
    transition: background-color 0.2s ease, color 0.2s ease;
    min-width: 200px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.tab:hover {
    background-color: var(--background-light);
}

.tab[aria-selected="true"] {
    background-color: var(--primary-blue);
    color: #fff;
}

.tab[aria-selected="true"] .tab-hint {
    color: rgba(255, 255, 255, 0.85);
}

.tab-label {
    font-weight: 700;
    font-size: 1em;
}

.tab-hint {
    font-size: 0.82em;
    color: var(--text-muted);
}

/* Panel */
.panel {
    background-color: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.06);
    overflow: hidden;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    flex-wrap: wrap;
    gap: 12px;
    padding: 20px 24px;
    border-bottom: 1px solid var(--secondary-light);
}

.panel-header h2 {
    margin: 0;
    color: var(--text-dark);
    font-size: 1.3em;
    font-weight: 700;
}

.panel-subtitle {
    margin: 4px 0 0;
    color: var(--text-muted);
    font-size: 0.92em;
}

.page-size {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.9em;
}

.page-size select {
    padding: 7px 10px;
    border: 1px solid var(--secondary-light);
    border-radius: 6px;
    font-size: 0.95em;
    color: var(--text-dark);
    background: #fff;
}

/* Tabela */
.table-wrapper {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.96em;
}

.data-table thead th {
    background-color: var(--background-light);
    color: var(--text-muted);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.78em;
    letter-spacing: 0.05em;
    padding: 14px 18px;
    text-align: left;
    border-bottom: 1px solid var(--secondary-light);
    white-space: nowrap;
}

.data-table tbody tr {
    transition: background-color 0.2s ease;
    cursor: pointer;
}

.data-table tbody tr:hover {
    background-color: #fafbfc;
}

.data-table tbody td {
    padding: 14px 18px;
    border-bottom: 1px solid var(--secondary-light);
    vertical-align: middle;
}

.data-table tbody tr:last-child td {
    border-bottom: none;
}

.row-loading td,
.row-empty td {
    text-align: center;
    color: var(--text-muted);
    font-style: italic;
    padding: 32px 18px !important;
    cursor: default;
}

.cell-name {
    font-weight: 600;
    color: var(--text-dark);
}

.cell-muted {
    color: var(--text-muted);
}

.cell-atraso { font-weight: 600; }
.cell-atraso.atrasado { color: var(--grau-irregular); }
.cell-restantes-baixo { color: var(--grau-critico); font-weight: 700; }

/* Badges */
.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 0.78em;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: #fff;
    white-space: nowrap;
}

.badge-sem_urgencia { background-color: var(--grau-sem-urgencia); }
.badge-atencao     { background-color: var(--grau-atencao); }
.badge-urgente     { background-color: var(--grau-urgente); }
.badge-critico     { background-color: var(--grau-critico); }
.badge-irregular   { background-color: var(--grau-irregular); }

/* Paginação */
.panel-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    padding: 16px 24px;
    border-top: 1px solid var(--secondary-light);
    background-color: var(--background-light);
}

.footer-info {
    color: var(--text-muted);
    font-size: 0.92em;
}

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

.btn-page {
    background-color: #fff;
    color: var(--primary-blue);
    border: 1px solid var(--secondary-light);
    border-radius: 8px;
    padding: 8px 14px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.92em;
    font-family: inherit;
    transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.btn-page:hover:not(:disabled) {
    background-color: var(--primary-blue);
    color: #fff;
    border-color: var(--primary-blue);
}

.btn-page:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.pagina-atual {
    font-weight: 600;
    color: var(--text-dark);
    font-size: 0.92em;
    min-width: 130px;
    text-align: center;
}

/* Responsividade */
@media (max-width: 720px) {
    main { padding: 0 16px 40px; }
    .page-header h1 { font-size: 1.7em; }
    .tab { min-width: 160px; padding: 10px 12px; }
    .tab-hint { display: none; }
    .panel-header { padding: 16px 18px; }
    .panel-footer { padding: 14px 18px; }
    .data-table thead th,
    .data-table tbody td { padding: 11px 14px; }
}