:root {
    --cor-fundo: #1e1e2f;
    --cor-card: #27293d;
    --cor-texto: #d0d2e0;
    --cor-texto-cabecalho: #ffffff;
    --cor-sombra: rgba(0, 0, 0, 0.2);
    --cor-terminal-fundo: #1b1b29;
    --cor-primaria: #4d73ff;
    --cor-mudanca: #ff5722;
    --cor-grafico-linha: #00e1ff;
    --cor-remover: #f44336;
    --sidebar-width: 240px;
    /* ALTERAÇÃO: Nova variável */
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    background-color: var(--cor-fundo);
    margin: 0;
    color: var(--cor-texto);
    padding-bottom: 50px;
    /* ALTERAÇÃO: Adiciona padding para a sidebar */
    padding-left: var(--sidebar-width);
    transition: padding-left 0.3s ease;
    will-change: padding-left;
    /* Optimization */
}

/* INÍCIO DA ALTERAÇÃO: Estilos da Sidebar */
#sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    width: var(--sidebar-width);
    background-color: var(--cor-card);
    border-right: 1px solid #3a3c5a;
    display: flex;
    flex-direction: column;
    z-index: 1002;
    transition: transform 0.3s ease;
    will-change: transform;
    /* Optimization */
}

body.sidebar-collapsed #sidebar {
    transform: translateX(calc(-1 * var(--sidebar-width)));
}

body.sidebar-collapsed {
    padding-left: 0;
}

body.sidebar-collapsed #sidebar-toggle {
    left: 10px;
}

body.sidebar-collapsed #main-content {
    margin-left: 0;
}

.sidebar-header {
    padding: 20px;
    text-align: center;
    color: var(--cor-texto-cabecalho);
    border-bottom: 1px solid #3a3c5a;
}

.sidebar-header h3 {
    margin: 0;
    font-weight: 500;
}

#category-list {
    flex-grow: 1;
    overflow-y: auto;
    padding: 10px 0;
}

.category-item {
    padding: 12px 20px;
    cursor: pointer;
    color: var(--cor-texto);
    transition: background-color 0.2s, color 0.2s;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.category-item:hover {
    background-color: #3a3c5a;
}

.category-item.active {
    background-color: var(--cor-primaria);
    color: white;
    font-weight: 500;
}

.remove-category-btn {
    background: none;
    border: none;
    color: inherit;
    font-size: 1.2em;
    cursor: pointer;
    opacity: 0.6;
    transition: opacity 0.2s;
    display: none;
    /* Oculto por padrão */
}

.category-item:hover .remove-category-btn {
    display: inline;
}

.category-item .remove-category-btn:hover {
    opacity: 1;
    color: var(--cor-remover);
}


#sidebar-editor-actions {
    padding: 20px;
    border-top: 1px solid #3a3c5a;
    display: none;
    /* Oculto por padrão, visível em modo editor */
}

#add-category-btn,
#manage-users-btn,
#logout-btn {
    width: 100%;
    padding: 10px;
    background-color: var(--cor-primaria);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    text-align: center;
    margin-bottom: 10px;
    /* Add spacing between buttons */
    font-size: 0.9rem;
}

#logout-btn {
    background-color: var(--cor-remover);
    margin-top: auto;
    /* Push to bottom if container allows, or just keep spacing */
}

#add-category-btn:hover,
#manage-users-btn:hover {
    background-color: var(--cor-primaria-hover, #3b5fde);
}

#logout-btn:hover {
    background-color: #d32f2f;
}

#sidebar-toggle {
    position: fixed;
    top: 15px;
    left: calc(var(--sidebar-width) + 15px);
    z-index: 1003;
    background-color: var(--cor-card);
    color: var(--cor-texto);
    border: 1px solid #3a3c5a;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2em;
    transition: left 0.3s ease, background-color 0.2s;
}

#sidebar-toggle:hover {
    background-color: #3a3c5a;
}

#main-content {
    padding: 20px;
    transition: margin-left 0.3s ease;
}

/* FIM DA ALTERAÇÃO: Estilos da Sidebar */


.main-header {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    margin-bottom: 15px;
}

h1 {
    text-align: center;
    color: var(--cor-texto-cabecalho);
    font-weight: 300;
    margin: 0;
}

.controls {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 30px;
    gap: 10px;
}

.control-btn {
    background-color: #3a3c5a;
    color: var(--cor-texto);
    border: none;
    padding: 8px 16px;
    border-radius: 20px;
    cursor: pointer;
    transition: background-color 0.2s;
}

.control-btn:hover {
    background-color: #4a4c6a;
}

.control-btn.active {
    background-color: var(--cor-primaria);
    color: white;
    font-weight: 500;
}

.date-range-picker {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-left: 20px;
}

.date-range-picker input {
    background-color: #3a3c5a;
    color: var(--cor-texto);
    border: 1px solid #4a4c6a;
    padding: 7px 12px;
    border-radius: 20px;
    font-family: inherit;
}

#filter-btn {
    background-color: var(--cor-primaria);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 20px;
    cursor: pointer;
    transition: background-color 0.2s;
}

#filter-btn:hover {
    background-color: #3b5fde;
}

#dashboard {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(500px, 1fr));
    gap: 25px;
}

.host-card {
    background-color: var(--cor-card);
    border-radius: 12px;
    box-shadow: 0 4px 15px var(--cor-sombra);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
    /* ALTERAÇÃO: Transição para filtragem suave */
    transition: opacity 0.3s, transform 0.3s;
}

/* ALTERAÇÃO: Estilo para card oculto durante a filtragem */
.host-card.hidden {
    opacity: 0;
    transform: scale(0.9);
    height: 0;
    padding: 0;
    margin: 0;
    overflow: hidden;
    pointer-events: none;
}


.host-header {
    padding: 15px 20px;
    border-bottom: 1px solid #3a3c5a;
    font-size: 1.2em;
    font-weight: 500;
    color: var(--cor-texto-cabecalho);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.live-btn {
    background-color: #3a3c5a;
    color: var(--cor-texto);
    border: none;
    font-size: 0.7em;
    padding: 5px 10px;
    border-radius: 15px;
    cursor: pointer;
    transition: background-color 0.2s, color 0.2s;
}

.live-btn.active {
    background-color: #28a745;
    color: white;
}

.remove-host-btn {
    background: none;
    border: none;
    color: #8a8d9f;
    font-size: 1.5em;
    cursor: pointer;
    padding: 5px;
    line-height: 1;
    transition: color 0.2s;
}

.remove-host-btn:hover {
    color: var(--cor-remover);
}

.chart-container {
    position: relative;
    height: 150px;
    padding: 10px;
}

.mtr-output {
    background-color: var(--cor-terminal-fundo);
    padding: 15px;
    flex-grow: 1;
    overflow-x: auto;
    border-top: 1px solid #3a3c5a;
    border-bottom: 1px solid #3a3c5a;
}

.mtr-output pre {
    margin: 0;
    color: var(--cor-texto);
    font-family: 'Fira Code', 'Consolas', 'Menlo', monospace;
    font-size: 0.85em;
    white-space: pre;
}

.timeline {
    background-color: #2f3148;
    padding: 10px 20px;
    height: 50px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
}

.timeline-bar-container {
    width: 100%;
    height: 20px;
    display: flex;
    align-items: center;
    position: relative;
}

.timeline-bar {
    width: 100%;
    height: 4px;
    background-color: #4a4c6a;
    position: relative;
    border-radius: 2px;
}

.timeline-marker {
    position: absolute;
    width: 3px;
    height: 20px;
    background-color: var(--cor-mudanca);
    cursor: pointer;
    top: 50%;
    transform: translateY(-50%);
    border-radius: 2px;
}

.timeline-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.7em;
    color: #8a8d9f;
    padding-top: 5px;
}

.floating-actions {
    position: fixed;
    bottom: 50px;
    right: 20px;
    z-index: 1001;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.floating-btn {
    width: 50px;
    height: 50px;
    background-color: var(--cor-primaria);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s, transform 0.2s;
}

.floating-btn:hover {
    transform: scale(1.05);
}

#add-host-btn {
    font-size: 1.8em;
}

#refresh-btn {
    background-color: #3a3c5a;
    font-size: 1.2em;
}

#refresh-btn.loading svg {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

/* Login and Auth Pages */
body.auth-page {
    padding-left: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: var(--cor-fundo);
}

.login-container {
    background-color: var(--cor-card);
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 15px var(--cor-sombra);
    width: 90%;
    max-width: 400px;
    text-align: center;
}

.login-container h2 {
    margin-top: 0;
    margin-bottom: 25px;
    color: var(--cor-texto-cabecalho);
    font-weight: 500;
}

.login-container input {
    width: 100%;
    padding: 12px 15px;
    margin: 10px 0;
    border-radius: 8px;
    border: 1px solid #3a3c5a;
    background-color: var(--cor-terminal-fundo);
    color: var(--cor-texto);
    box-sizing: border-box;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.login-container input:focus {
    border-color: var(--cor-primaria);
    outline: none;
}

.login-container button {
    width: 100%;
    padding: 12px;
    margin-top: 20px;
    background-color: var(--cor-primaria);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: background-color 0.3s, transform 0.2s;
}

.login-container button:hover {
    background-color: var(--cor-primaria-hover);
    transform: translateY(-2px);
}

.error-message {
    color: var(--cor-remover);
    background-color: rgba(244, 67, 54, 0.1);
    padding: 10px;
    border-radius: 6px;
    margin-bottom: 15px;
    font-size: 0.9em;
    display: none;
}

/* Login Icon */
#login-icon-container {
    text-align: center;
    margin-bottom: 20px;
}

.login-icon {
    max-width: 150px;
    max-height: 100px;
    height: auto;
    object-fit: contain;
    display: block;
    margin: 0 auto;
}

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1100;
    /* ALTERAÇÃO: Z-index maior que o da sidebar */
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
}

.modal-overlay.visible {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background-color: var(--cor-card);
    padding: 30px;
    border-radius: 12px;
    width: 90%;
    max-width: 400px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.4);
    transform: scale(0.95);
    transition: transform 0.3s;
}

.modal-overlay.visible .modal-content {
    transform: scale(1);
}

.modal-content h2 {
    margin-top: 0;
    color: var(--cor-texto-cabecalho);
    font-weight: 500;
}

.modal-content input,
.modal-content select {
    /* ALTERAÇÃO: Aplica estilo ao select */
    width: 100%;
    padding: 12px;
    margin: 10px 0;
    border-radius: 6px;
    border: 1px solid #3a3c5a;
    background-color: var(--cor-terminal-fundo);
    color: var(--cor-texto);
    font-size: 1em;
    box-sizing: border-box;
}

.modal-content label {
    margin-top: 10px;
    display: block;
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 15px;
}

.modal-actions button {
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    transition: background-color 0.2s;
}

.modal-actions button[type="submit"] {
    background-color: var(--cor-primaria);
    color: white;
}

.modal-actions button[type="button"] {
    background-color: #4a4c6a;
    color: var(--cor-texto);
}

footer {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: var(--cor-terminal-fundo);
    color: var(--cor-texto);
    text-align: center;
    padding: 8px 0;
    font-size: 0.9em;
    border-top: 1px solid #3a3c5a;
    z-index: 1000;
}

@media (max-width: 768px) {
    body {
        padding-left: 0;
        /* No mobile, sidebar não empurra o conteúdo */
    }

    #sidebar {
        transform: translateX(calc(-1 * var(--sidebar-width)));
        /* Sidebar começa recolhida */
    }

    body:not(.sidebar-collapsed) #sidebar {
        transform: translateX(0);
        /* Mostra a sidebar quando o body não tem a classe */
    }

    #sidebar-toggle {
        left: 10px;
    }

    body:not(.sidebar-collapsed) #sidebar-toggle {
        left: calc(var(--sidebar-width) + 15px);
    }

    h1 {
        font-size: 1.2em;
    }

    .controls {
        flex-direction: column;
    }

    .time-range-controls {
        display: flex;
        justify-content: center;
        gap: 10px;
    }

    .date-range-picker {
        margin-left: 0;
        width: 100%;
        flex-direction: column;
    }

    .date-range-picker input,
    .date-range-picker button {
        width: 90%;
        box-sizing: border-box;
    }

    #dashboard {
        grid-template-columns: 1fr;
    }
}

/* User Management Styles */
.table-container {
    overflow-x: auto;
    margin-bottom: 20px;
}

.user-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 10px;
}

.user-table th,
.user-table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #3a3c5a;
}

.user-table th {
    background-color: #3a3c5a;
    color: var(--cor-texto-cabecalho);
}

.user-table td {
    color: var(--cor-texto);
}

.user-actions {
    display: flex;
    gap: 8px;
}

.edit-user-btn,
.delete-user-btn {
    padding: 5px 10px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.8rem;
    color: white;
}

.edit-user-btn {
    background-color: var(--cor-primaria);
}

.edit-user-btn:hover {
    background-color: var(--cor-primaria-hover, #3b5fde);
}

.delete-user-btn {
    background-color: var(--cor-remover);
}

.delete-user-btn:hover {
    background-color: #d32f2f;
}

.form-row {
    display: flex;
    gap: 10px;
    margin-bottom: 10px;
}

.form-row input,
.form-row select {
    flex: 1;
    margin: 0;
    /* Override default margin */
}

/* Link Modal Styles */
#link-modal .modal-content {
    text-align: center;
}

#link-modal input {
    font-size: 1.1em;
    padding: 15px;
    text-align: center;
    background-color: #1e1e2f;
    border: 2px solid var(--cor-primaria);
    color: var(--cor-texto-cabecalho);
    margin-bottom: 20px;
}

.sidebar-btn {
    width: 100%;
    padding: 12px;
    background-color: var(--cor-primaria);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1em;
    font-weight: 500;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 10px;
}

.sidebar-btn:hover {
    background-color: var(--cor-primaria-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(77, 115, 255, 0.3);
}

.sidebar-btn.secondary-btn {
    background-color: #3a3c5a;
    /* Darker, secondary color */
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-btn.secondary-btn:hover {
    background-color: #4a4d70;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

#copy-link-btn {
    background-color: var(--cor-primaria);
    font-size: 1.1em;
    padding: 12px 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin: 0 auto;
}

#copy-link-btn:hover {
    background-color: var(--cor-primaria-hover, #3b5fde);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(77, 115, 255, 0.4);
}

#copy-link-btn svg {
    width: 20px;
    height: 20px;
}