:root {
    --bg-color: #080b11;
    --sidebar-bg: #0d121c;
    --card-bg: rgba(18, 25, 41, 0.6);
    --border-color: rgba(255, 255, 255, 0.08);
    --primary-color: #4361ee;
    --primary-hover: #3f37c9;
    --success-color: #4cc9f0;
    --success-bg: rgba(76, 201, 240, 0.15);
    --warning-color: #f72585;
    --warning-bg: rgba(247, 37, 133, 0.15);
    --danger-color: #ef4444;
    --danger-bg: rgba(239, 68, 68, 0.15);
    --text-color: #f8f9fa;
    --text-secondary: #a0aec0;
    --font-primary: 'Inter', sans-serif;
    --font-heading: 'Outfit', sans-serif;
    --font-code: 'Fira Code', monospace;
    --shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

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

/* Sidebar */
.sidebar {
    width: 280px;
    background-color: var(--sidebar-bg);
    border-right: 1px solid var(--border-color);
    padding: 2rem 1.5rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    flex-shrink: 0;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 3rem;
}

.logo-icon {
    background: linear-gradient(135deg, var(--primary-color), var(--success-color));
    color: white;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.2rem;
    width: 42px;
    height: 42px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(67, 97, 238, 0.4);
}

.brand h2 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.nav-menu {
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex-grow: 1;
}

.nav-item {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 12px 16px;
    border-radius: 10px;
    cursor: pointer;
    font-family: var(--font-primary);
    font-size: 0.95rem;
    font-weight: 500;
    text-align: left;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: all 0.25s ease;
}

.nav-item:hover {
    color: var(--text-color);
    background-color: rgba(255, 255, 255, 0.03);
}

.nav-item.active {
    color: white;
    background: linear-gradient(135deg, rgba(67, 97, 238, 0.2), rgba(67, 97, 238, 0.05));
    border: 1px solid rgba(67, 97, 238, 0.3);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.vps-badge {
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.badge-status {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    position: relative;
}

.badge-status.online {
    background-color: #00f5d4;
    box-shadow: 0 0 10px #00f5d4;
}

.badge-status.offline {
    background-color: var(--danger-color);
    box-shadow: 0 0 10px var(--danger-color);
}

.vps-badge .badge-info {
    display: flex;
    flex-direction: column;
}

.vps-badge .label {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.vps-badge .value {
    font-size: 0.85rem;
    font-family: var(--font-code);
    font-weight: 600;
}

/* Área Principal */
.main-content {
    flex-grow: 1;
    padding: 2.5rem;
    overflow-y: auto;
    max-height: 100vh;
}

.main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1.5rem;
}

.main-header h1 {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.api-status-card {
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    padding: 8px 16px;
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
}

.pulse-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--text-secondary);
}

.pulse-indicator.active {
    background-color: #00f5d4;
    box-shadow: 0 0 8px #00f5d4;
    animation: pulse 1.5s infinite;
}

.pulse-indicator.error {
    background-color: var(--danger-color);
    box-shadow: 0 0 8px var(--danger-color);
}

@keyframes pulse {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0, 245, 212, 0.7); }
    70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(0, 245, 212, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0, 245, 212, 0); }
}

/* Glassmorphism Cards */
.card {
    background: var(--card-bg);
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 1.8rem;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.card:hover {
    border-color: rgba(67, 97, 238, 0.3);
}

.card h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: white;
}

/* Tabs */
.tab-content {
    display: none;
    animation: fadeIn 0.4s ease forwards;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Grid Dashboard */
.grid-layout {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

@media (max-width: 1100px) {
    .grid-layout {
        grid-template-columns: 1fr;
    }
}

/* Cards de Métricas (CPU, RAM, DISCO) */
.metric-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.metric-visual {
    margin: 1rem 0;
    position: relative;
}

.progress-ring-container {
    position: relative;
    width: 120px;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.progress-ring {
    transform: rotate(-90deg);
}

.progress-ring__circle {
    transition: stroke-dashoffset 0.35s;
    transform-origin: 50% 50%;
}

.ring-value {
    position: absolute;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
}

.card-footer {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

/* Docker Containers Card */
.docker-card {
    grid-column: span 2;
}

@media (max-width: 1100px) {
    .docker-card {
        grid-column: span 1;
    }
}

.docker-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.docker-item {
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 12px 18px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.2s ease;
}

.docker-item:hover {
    background-color: rgba(255, 255, 255, 0.04);
}

.docker-item .name-section {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-code);
    font-size: 0.95rem;
}

.docker-item .status-section {
    font-size: 0.85rem;
}

.docker-item .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.docker-item .dot.running {
    background-color: #00f5d4;
    box-shadow: 0 0 8px #00f5d4;
}

.docker-item .dot.stopped {
    background-color: var(--danger-color);
    box-shadow: 0 0 8px var(--danger-color);
}

.badge {
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.badge.success {
    background-color: var(--success-bg);
    color: var(--success-color);
}

.badge.warning {
    background-color: var(--warning-bg);
    color: var(--warning-color);
}

.badge.danger {
    background-color: var(--danger-bg);
    color: var(--danger-color);
}

/* Skeletons */
.skeleton-line {
    height: 45px;
    background: linear-gradient(90deg, rgba(255,255,255,0.02) 25%, rgba(255,255,255,0.06) 50%, rgba(255,255,255,0.02) 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
    border-radius: 12px;
}

@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Firewall Card */
.fw-card {
    grid-column: span 1;
}

.fw-body {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.security-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
}

.security-item .label {
    color: var(--text-secondary);
}

.ufw-raw-container {
    background-color: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 10px;
    max-height: 120px;
    overflow-y: auto;
}

.ufw-raw-container pre {
    font-family: var(--font-code);
    font-size: 0.75rem;
    color: #00f5d4;
    white-space: pre-wrap;
}

/* Form de Nova Tarefa */
.task-creation-container {
    display: flex;
    flex-direction: column;
    gap: 25px;
    max-width: 900px;
    margin: 0 auto;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: -1rem;
    margin-bottom: 2rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 1.5rem;
}

.form-group label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
}

textarea, select {
    background-color: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    color: white;
    font-family: var(--font-primary);
    border-radius: 12px;
    padding: 12px;
    font-size: 0.95rem;
    outline: none;
    transition: border-color 0.2s ease;
}

textarea:focus, select:focus {
    border-color: var(--primary-color);
}

.form-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 20px;
}

.form-row .form-group {
    margin-bottom: 0;
    flex-grow: 1;
    max-width: 300px;
}

.btn {
    padding: 12px 24px;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    font-family: var(--font-primary);
    font-size: 0.95rem;
    border: none;
    transition: all 0.2s ease;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
    box-shadow: 0 4px 15px rgba(67, 97, 238, 0.4);
}

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

.btn-primary:active {
    transform: translateY(1px);
}

/* Monitor de Tarefa Ativa */
.task-monitor-card {
    animation: slideUp 0.4s ease forwards;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.monitor-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
}

.task-id-sub {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-family: var(--font-code);
    margin-top: 5px;
    margin-bottom: 20px;
}

.planner-steps-container, .console-container, .report-container {
    margin-bottom: 25px;
}

.planner-steps-container h4, .console-container h4, .report-container h4 {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: white;
}

.steps-flow {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.step-item {
    background-color: rgba(255, 255, 255, 0.01);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.step-item .circle-num {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.step-item.active {
    border-color: var(--primary-color);
    background-color: rgba(67, 97, 238, 0.05);
}

.step-item.active .circle-num {
    background-color: var(--primary-color);
    color: white;
}

.step-item.done {
    border-color: var(--success-color);
    background-color: rgba(76, 201, 240, 0.05);
}

.step-item.done .circle-num {
    background-color: var(--success-color);
    color: #0b0f19;
}

.step-item .step-desc {
    flex-grow: 1;
    font-size: 0.9rem;
}

.step-item .step-agent {
    font-size: 0.75rem;
    font-family: var(--font-code);
}

/* Console/Terminal */
.console-terminal {
    background-color: #05070c;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    font-family: var(--font-code);
    font-size: 0.85rem;
    padding: 15px;
    min-height: 150px;
    max-height: 300px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 8px;
    box-shadow: inset 0 0 10px rgba(0,0,0,0.5);
}

.terminal-line {
    line-height: 1.4;
}

.terminal-line.system {
    color: var(--text-secondary);
}

.terminal-line.step-run {
    color: var(--primary-color);
    font-weight: 500;
}

.terminal-line.result {
    color: #38bdf8;
    padding-left: 15px;
    border-left: 2px solid rgba(56, 189, 248, 0.2);
    white-space: pre-wrap;
    margin-bottom: 5px;
}

.terminal-line.error {
    color: var(--danger-color);
}

/* Relatório de Entrega */
.report-content {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    font-size: 0.95rem;
    line-height: 1.6;
    color: #e2e8f0;
}

.report-content h2, .report-content h3 {
    margin-top: 15px;
    margin-bottom: 10px;
    font-family: var(--font-heading);
    color: white;
}

.report-content p {
    margin-bottom: 12px;
}

.report-content ul, .report-content ol {
    margin-left: 20px;
    margin-bottom: 12px;
}

.report-content li {
    margin-bottom: 6px;
}

/* Tabela de Histórico */
.history-table-container {
    overflow-x: auto;
}

.history-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
    text-align: left;
}

.history-table th {
    background-color: rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid var(--border-color);
    padding: 12px 18px;
    color: var(--text-secondary);
    font-weight: 600;
}

.history-table td {
    padding: 14px 18px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.history-table tr:hover td {
    background-color: rgba(255, 255, 255, 0.01);
}

.history-table .actions-cell {
    display: flex;
    gap: 10px;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.8rem;
    border-radius: 6px;
}

.btn-secondary {
    background-color: rgba(255,255,255,0.05);
    color: white;
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: rgba(255,255,255,0.1);
}

/* Estilos para o noVNC Browser Live Iframe */
.browser-tab-card {
    display: flex;
    flex-direction: column;
    height: calc(100vh - 160px);
    overflow: hidden;
}

.browser-iframe-container {
    flex-grow: 1;
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    background-color: #0d121c;
    box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.6);
}

.browser-iframe-container iframe {
    width: 100%;
    height: 100%;
    border: none;
    background-color: #0d121c;
}