:root {
    --bg: #0b1220;
    --card: #111827;
    --card-2: #0f172a;
    --text: #f9fafb;
    --muted: #cbd5e1;
    --border: #334155;

    --primary: #2563eb;
    --primary-strong: #1d4ed8;

    --danger: #dc2626;
    --danger-strong: #b91c1c;

    --warning: #d97706;
    --warning-strong: #b45309;

    --success: #16a34a;
    --success-bg: #052e1a;
    --success-text: #bbf7d0;

    --alert-bg: #3f0d12;
    --alert-text: #fecdd3;

    --warning-bg: #3b1f0b;
    --warning-text: #fde68a;

    --neutral-bg: #1e293b;
    --neutral-text: #e2e8f0;

    --focus: #facc15;
    --input-bg: #0f172a;
    --table-head: #1e293b;

    --secondary-bg: #1e293b;
    --secondary-hover: #334155;

    --shadow: rgba(0, 0, 0, 0.35);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
}

.container,
.container-admin,
.panel-shell,
.panel-content {
    width: 100%;
}

.container,
.container-admin {
    max-width: 1280px;
    margin: 0 auto;
    padding: 1rem;
    background: transparent;
}

.panel-shell {
    max-width: 1280px;
    margin: 0 auto;
    padding: 1rem;
    background: transparent;
}

.panel-content {
    min-height: calc(100vh - 220px);
    background: transparent;
    color: var(--text);
}

a {
    color: #93c5fd;
}

a:hover {
    color: #bfdbfe;
    text-decoration: underline;
}

a:focus,
button:focus,
input:focus,
select:focus,
textarea:focus,
.button-link:focus,
.btn-primary:focus,
.btn-secondary:focus,
.btn-link:focus,
.menu-list a:focus,
.log-viewer:focus {
    outline: 3px solid var(--focus);
    outline-offset: 3px;
}

.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    background: #000000;
    color: #ffffff;
    padding: 0.75rem 1rem;
    z-index: 9999;
    text-decoration: none;
    font-weight: 700;
    border-radius: 8px;
}

.skip-link:focus {
    left: 1rem;
    top: 1rem;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* HEADER */

.painel-header {
    background: #020617;
    color: #f8fafc;
    padding: 14px 20px;
    border-bottom: 1px solid #334155;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.header-brand {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.painel-header h1 {
    font-size: 20px;
    margin: 0;
    color: #f8fafc;
    line-height: 1.3;
}

.usuario-info {
    font-size: 14px;
    line-height: 1.6;
    color: #e2e8f0;
}

.usuario-info strong {
    color: #ffffff;
}

/* MENU */

.menu {
    background: #0f172a;
    border-bottom: 1px solid #334155;
    padding: 12px 20px;
}

.menu-container {
    max-width: 1200px;
    margin: 0 auto;
}

.menu-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
}

.menu-list li {
    margin: 0;
    padding: 0;
}

.menu-list a {
    display: inline-block;
    color: #f8fafc;
    font-weight: 700;
    text-decoration: none;
    padding: 10px 14px;
    border: 1px solid #334155;
    border-radius: 10px;
    background: #1e293b;
    line-height: 1.4;
}

.menu-list a:hover {
    background: #334155;
    color: #ffffff;
    text-decoration: none;
}

.menu-list a:focus {
    background: #334155;
    color: #ffffff;
    text-decoration: none;
}

.menu-list a[aria-current="page"] {
    background: #2563eb;
    border-color: #2563eb;
    color: #ffffff;
}

.menu-list a[aria-current="page"]:hover,
.menu-list a[aria-current="page"]:focus {
    background: #1d4ed8;
    border-color: #1d4ed8;
}

/* TÍTULOS E BLOCOS */

.page-title {
    margin: 0 0 0.5rem 0;
    font-size: 1.75rem;
    line-height: 1.3;
    color: var(--text);
}

.topo-pagina {
    margin: 0 0 1.5rem 0;
}

.topo-pagina h1 {
    margin: 0 0 0.5rem 0;
    font-size: 1.75rem;
    line-height: 1.3;
    color: var(--text);
}

.topo-pagina p,
.container-admin > p:first-of-type {
    margin: 0 0 1.25rem 0;
    color: var(--muted);
}

.server-card-title,
.group-title,
.form-section-title,
.alerta-titulo,
.item-title,
.section-title {
    color: var(--text);
}

.server-card-title,
.group-title,
.form-section-title,
.section-title {
    margin: 0 0 1rem 0;
    font-size: 1.2rem;
    line-height: 1.4;
}

.item-title {
    margin: 0 0 0.75rem 0;
    font-size: 1.05rem;
    line-height: 1.4;
}

.card,
.card-admin,
.card-cliente,
.section-box,
.stat-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 1.25rem;
    margin: 1rem 0;
    box-shadow: 0 8px 24px var(--shadow);
    color: var(--text);
}

.section-box > h2,
.card-admin > h2,
.card-cliente > h2,
.card > h2 {
    margin-top: 0;
    margin-bottom: 0.85rem;
    font-size: 1.2rem;
    line-height: 1.4;
}

.stat-card h3 {
    margin: 0 0 0.65rem 0;
    font-size: 1.05rem;
    line-height: 1.4;
    color: var(--text);
}

.stat-card p,
.section-box p,
.card-admin p,
.card-cliente p,
.card p {
    margin: 0 0 0.75rem 0;
}

.stat-card p:last-child,
.section-box p:last-child,
.card-admin p:last-child,
.card-cliente p:last-child,
.card p:last-child {
    margin-bottom: 0;
}

.page-header,
.top-actions,
.actions {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
}

.page-description {
    font-size: 0.95rem;
    color: var(--muted);
}

.stack {
    display: grid;
    gap: 0.75rem;
}

.actions-inline {
    align-self: end;
}

/* GRIDS E RESUMOS */

.stats-grid,
.server-grid,
.form-grid {
    display: grid;
    gap: 1rem;
}

.stats-grid {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    margin: 1rem 0 1.5rem 0;
}

.server-grid {
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    margin: 1rem 0 1.5rem 0;
}

.form-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.form-grid.two-columns {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.stat-number-line {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 0.75rem;
    margin: 0.75rem 0;
    flex-wrap: wrap;
}

.stat-number-value {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.1;
    color: #ffffff;
}

.resumo-metricas {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}

/* LINHAS DE INFORMAÇÃO */

.info-line {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem 0.5rem;
    margin: 0 0 0.75rem 0;
    line-height: 1.6;
}

.info-label {
    font-weight: 700;
    color: var(--text);
}

.info-value {
    color: var(--muted);
}

.info-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.info-list li {
    margin-bottom: 0.75rem;
    line-height: 1.6;
}

/* LISTAS DE ITENS */

.item-list,
.alertas-lista,
.alertas-detalhados-lista,
.detail-list {
    margin: 0;
    padding: 0;
}

.item-list,
.alertas-lista,
.alertas-detalhados-lista {
    list-style: none;
}

.item-list {
    display: grid;
    gap: 1rem;
}

.item-list li {
    padding: 1rem;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--card-2);
}

.detail-list {
    padding-left: 1.2rem;
}

.detail-list li {
    margin-bottom: 0.65rem;
}

/* FORMULÁRIOS */

.field,
.form-row,
.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    margin-bottom: 1rem;
}

.form-admin {
    width: 100%;
}

label {
    font-weight: 700;
    color: var(--text);
}

.form-help,
.hint {
    display: block;
    color: var(--muted);
    margin-top: 0.35rem;
    font-size: 0.95rem;
    line-height: 1.5;
}

.form-check-group {
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
    margin-top: 1rem;
}

.form-check {
    display: flex;
    align-items: flex-start;
    gap: 0.65rem;
}

.form-check input[type="checkbox"],
.form-check input[type="radio"] {
    width: 18px;
    height: 18px;
    margin: 0.15rem 0 0 0;
    flex: 0 0 auto;
}

.form-check label {
    margin: 0;
    font-weight: 700;
}

.form-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.form-panel,
.form-section {
    margin-bottom: 1.5rem;
}

input,
select,
textarea,
button,
.button-link,
.btn-primary,
.btn-secondary,
.btn-link,
.form-control,
.btn,
.btn-danger,
.btn-sm {
    font: inherit;
}

input,
select,
textarea,
.form-control {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 0.75rem 0.875rem;
    background: var(--input-bg);
    color: var(--text);
}

input::placeholder,
textarea::placeholder,
.form-control::placeholder {
    color: #94a3b8;
}

textarea {
    min-height: 120px;
    resize: vertical;
}

.form-control:focus {
    outline: 3px solid var(--focus);
    outline-offset: 1px;
    border-color: var(--primary);
}

/* Radios e checkboxes */

.radio-group,
.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.radio-item,
.checkbox-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

/* BOTÕES */

button,
.button-link,
.btn-primary,
.btn-secondary,
.btn-link,
.btn,
.btn-danger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-weight: 700;
    text-decoration: none;
    padding: 0.75rem 1rem;
    border-radius: 10px;
    cursor: pointer;
    transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

button,
.button-link,
.btn-primary,
.btn {
    border: 1px solid var(--primary);
    background: var(--primary);
    color: #ffffff;
}

button:hover,
.button-link:hover,
.btn-primary:hover,
.btn:hover {
    background: var(--primary-strong);
    color: #ffffff;
    text-decoration: none;
}

.secondary,
.btn-secondary {
    border: 1px solid var(--border);
    background: var(--secondary-bg);
    color: var(--text);
}

.secondary:hover,
.btn-secondary:hover {
    background: var(--secondary-hover);
    color: var(--text);
    text-decoration: none;
}

.danger,
.btn-danger {
    background: var(--danger);
    border: 1px solid var(--danger);
    color: #ffffff;
}

.danger:hover,
.btn-danger:hover {
    background: var(--danger-strong);
    border-color: var(--danger-strong);
}

.btn-link {
    border: 1px solid var(--primary);
    background: transparent;
    color: #93c5fd;
    padding: 0.55rem 0.85rem;
}

.btn-link:hover {
    background: rgba(37, 99, 235, 0.12);
    color: #bfdbfe;
    text-decoration: none;
}

.btn-link-danger {
    border-color: var(--danger);
    color: #fca5a5;
}

.btn-link-danger:hover {
    background: rgba(220, 38, 38, 0.12);
    color: #fecaca;
}

.btn-sm {
    padding: 6px 10px;
    font-size: 0.8rem;
}

/* MENSAGENS E FEEDBACK */

.status,
.alert,
.message,
.feedback-message {
    padding: 0.9rem 1rem;
    border-radius: 10px;
    margin: 1rem 0;
    border: 1px solid transparent;
}

.status,
.message-success,
.feedback-success,
.feedback-message.success,
.success-message {
    background: var(--success-bg);
    color: var(--success-text);
    border-color: #166534;
}

.alert,
.message-error,
.feedback-error,
.feedback-message.error,
.error-message {
    background: var(--alert-bg);
    color: var(--alert-text);
    border-color: #7f1d1d;
}

.feedback-alerta,
.feedback-message.warning {
    background: var(--warning-bg);
    color: var(--warning-text);
    border-color: var(--warning);
}

.feedback-neutro,
.feedback-message.info {
    background: var(--neutral-bg);
    color: var(--neutral-text);
    border-color: var(--border);
}

.feedback-message p,
.feedback-success p,
.feedback-error p,
.feedback-alerta p,
.feedback-neutro p {
    margin: 0;
}

/* TABELAS */

.table-wrap,
.table-container,
.table-responsive {
    overflow-x: auto;
    width: 100%;
}

table,
.table,
.table-default {
    width: 100%;
    min-width: 980px;
    border-collapse: collapse;
    background: var(--card);
}

caption {
    text-align: left;
    font-weight: 700;
    padding: 0.75rem 0;
    color: var(--text);
}

th,
td,
.table-default th,
.table-default td {
    border: 1px solid var(--border);
    padding: 0.75rem;
    text-align: left;
    vertical-align: top;
    color: var(--text);
}

thead th,
.table-default th {
    background: var(--table-head);
    color: var(--text);
    font-weight: 600;
}

.table-default td {
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
}

.inline-form {
    display: inline-flex;
}

.table-actions {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

/* USO DE OUVINTES */

.usage-block {
    min-width: 180px;
}

.usage-text {
    margin-bottom: 0.4rem;
    font-size: 0.95rem;
    line-height: 1.4;
    color: var(--text);
}

.usage-bar {
    width: 100%;
    height: 0.75rem;
    background: #2a2a2a;
    border: 1px solid #444;
    border-radius: 999px;
    overflow: hidden;
}

.usage-fill {
    display: block;
    height: 100%;
    border-radius: 999px;
}

.usage-fill-low {
    background: #2e9e5b;
}

.usage-fill-medium {
    background: #c9a227;
}

.usage-fill-high {
    background: #c94a4a;
}

.usage-fill-offline {
    background: #666;
}

/* LOGS */

.log-viewer {
    width: 100%;
    overflow-x: auto;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: #020617;
    padding: 1rem;
}

.log-output {
    margin: 0;
    white-space: pre-wrap;
    word-break: break-word;
    font-family: Consolas, Monaco, "Courier New", monospace;
    font-size: 0.92rem;
    line-height: 1.6;
    color: #e2e8f0;
}

.log-line {
    padding: 0.45rem 0.6rem;
    border-left: 4px solid transparent;
    border-radius: 8px;
    margin-bottom: 0.4rem;
    white-space: pre-wrap;
    word-break: break-word;
}

.log-line-default {
    background: rgba(15, 23, 42, 0.35);
    border-left-color: #475569;
    color: #e2e8f0;
}

.log-line-success {
    background: rgba(5, 46, 26, 0.45);
    border-left-color: #16a34a;
    color: #bbf7d0;
}

.log-line-warning {
    background: rgba(59, 31, 11, 0.45);
    border-left-color: #d97706;
    color: #fde68a;
}

.log-line-error {
    background: rgba(63, 13, 18, 0.55);
    border-left-color: #dc2626;
    color: #fecdd3;
}

/* BADGES E STATUS */

.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 30px;
    padding: 0.2rem 0.65rem;
    border-radius: 999px;
    border: 1px solid transparent;
    font-size: 0.92rem;
    font-weight: 700;
    line-height: 1.2;
    white-space: nowrap;
}

.badge-success {
    background: var(--success-bg);
    color: var(--success-text);
    border-color: #166534;
}

.badge-danger {
    background: var(--alert-bg);
    color: var(--alert-text);
    border-color: #7f1d1d;
}

.badge-neutral {
    background: var(--neutral-bg);
    color: var(--neutral-text);
    border-color: var(--border);
}

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

.status-ligado {
    color: var(--success-text);
    font-weight: 700;
}

.status-desligado {
    color: var(--alert-text);
    font-weight: 700;
}

.status-aviso {
    color: var(--warning-text);
    font-weight: 700;
}

/* STATUS E FEEDBACK - PAINEL CLIENTE / AUTODJ */

.status-sucesso,
.status-erro,
.status-alerta,
.status-neutro {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.35rem 0.7rem;
    border-radius: 999px;
    border: 1px solid transparent;
    font-weight: 700;
    line-height: 1.3;
    white-space: nowrap;
}

.status-sucesso {
    background: var(--success-bg);
    color: var(--success-text);
    border-color: #166534;
}

.status-erro {
    background: var(--alert-bg);
    color: var(--alert-text);
    border-color: #7f1d1d;
}

.status-alerta {
    background: var(--warning-bg);
    color: var(--warning-text);
    border-color: var(--warning);
}

.status-neutro {
    background: var(--neutral-bg);
    color: var(--neutral-text);
    border-color: var(--border);
}

.feedback-sucesso,
.feedback-erro,
.feedback-alerta,
.feedback-neutro {
    border-width: 1px;
    border-style: solid;
}

.feedback-sucesso {
    background: var(--success-bg);
    color: var(--success-text);
    border-color: #166534;
}

.feedback-erro {
    background: var(--alert-bg);
    color: var(--alert-text);
    border-color: #7f1d1d;
}

.feedback-alerta {
    background: var(--warning-bg);
    color: var(--warning-text);
    border-color: var(--warning);
}

.feedback-neutro {
    background: var(--neutral-bg);
    color: var(--neutral-text);
    border-color: var(--border);
}

.feedback-sucesso p,
.feedback-erro p,
.feedback-alerta p,
.feedback-neutro p {
    margin: 0;
}

.card-admin .status-sucesso,
.card-admin .status-erro,
.card-admin .status-alerta,
.card-admin .status-neutro,
.card-cliente .status-sucesso,
.card-cliente .status-erro,
.card-cliente .status-alerta,
.card-cliente .status-neutro,
.stat-card .status-sucesso,
.stat-card .status-erro,
.stat-card .status-alerta,
.stat-card .status-neutro {
    margin-left: 0.35rem;
}

/* ALERTAS GLOBAIS */

.alertas-lista,
.alertas-detalhados-lista {
    display: grid;
    gap: 1rem;
    margin-top: 1rem;
}

.alertas-lista li,
.alertas-detalhados-lista li {
    padding: 1rem;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: var(--card-2);
}

.alerta-critico {
    border-color: var(--danger-strong) !important;
    background: rgba(127, 29, 29, 0.18) !important;
}

.alerta-aviso {
    border-color: var(--warning) !important;
    background: rgba(180, 83, 9, 0.18) !important;
}

.alerta-ok {
    border-color: #166534 !important;
    background: rgba(5, 46, 26, 0.45) !important;
}

.alerta-titulo {
    margin: 0 0 0.75rem 0;
    font-size: 1.05rem;
    line-height: 1.4;
}

.alerta-mensagem {
    margin: 0;
    line-height: 1.6;
    color: var(--muted);
}

/* AUTODJ */

.autodj-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1rem;
}

.autodj-controls h4 {
    width: 100%;
    margin: 0 0 0.5rem 0;
    font-size: 1rem;
}

.autodj-controls form {
    display: inline-flex;
    margin: 0;
}

/* PAINEL CLIENTE */

body.painel-cliente {
    background-color: #000;
    color: #fff;
}

body.painel-cliente a {
    color: #7db9ff;
}

body.painel-cliente .topo-sistema {
    background-color: #111;
    border-bottom: 1px solid #333;
}

body.painel-cliente .usuario-logado,
body.painel-cliente .logo-sistema a {
    color: #fff;
}

body.painel-cliente .conteudo-principal,
body.painel-cliente .container-admin,
body.painel-cliente .panel-content,
body.painel-cliente .panel-shell {
    background-color: transparent;
    color: #fff;
}

/* FOOTER */

.painel-footer,
footer {
    margin-top: 2rem;
    padding: 1rem 1.25rem 2rem 1.25rem;
    border-top: 1px solid var(--border);
    color: var(--muted);
    background: transparent;
}

.painel-footer p,
footer p {
    margin: 0.35rem 0;
}

/* RESPONSIVO */

@media (max-width: 768px) {
    .container,
    .container-admin,
    .panel-shell {
        padding: 0.75rem;
    }

    .painel-header,
    .menu {
        padding-left: 14px;
        padding-right: 14px;
    }

    .card,
    .card-admin,
    .card-cliente,
    .section-box,
    .stat-card {
        padding: 1rem;
    }

    .page-title,
    .topo-pagina h1 {
        font-size: 1.5rem;
    }

    .stat-number-value {
        font-size: 1.65rem;
    }

    table,
    .table,
    .table-default {
        min-width: 820px;
    }

    .form-actions,
    .actions,
    .top-actions,
    .page-header,
    .autodj-controls {
        align-items: stretch;
    }

    button,
    .button-link,
    .btn-primary,
    .btn-secondary,
    .btn-link,
    .btn,
    .btn-danger {
        width: 100%;
    }

    .menu-list {
        gap: 8px;
    }

    .menu-list a {
        width: 100%;
    }

    .autodj-controls form {
        width: 100%;
    }

    .usage-block {
        min-width: 140px;
    }

    .usage-text {
        font-size: 0.9rem;
    }

    .log-viewer {
        padding: 0.85rem;
    }

    .log-output {
        font-size: 0.88rem;
    }

    .status-sucesso,
    .status-erro,
    .status-alerta,
    .status-neutro {
        white-space: normal;
    }
}