.app-shell {
    display: grid;
    grid-template-columns: 280px 1fr;
    grid-template-rows: 68px 1fr;
    grid-template-areas:
        "topbar topbar"
        "sidebar main";
    min-height: 100vh;
    overflow: hidden;
}

/* ══ Topbar ══ */
.topbar {
    grid-area: topbar;
    position: sticky;
    top: 0;
    height: 68px;
    z-index: 50;
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--cinza-borda);
    box-shadow: var(--sombra-topbar);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 28px;
    gap: 16px;
}

[data-theme="dark"] .topbar {
    background: rgba(13, 22, 37, 0.92);
    border-color: #1e2e46;
}

.topbar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 16px;
    font-weight: 800;
    letter-spacing: -0.3px;
    color: var(--texto-principal);
}

.topbar-logo {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--azul-primario), var(--azul-claro));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 800;
    font-size: 15px;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.35);
}

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

.topbar-clock {
    font-size: 13px;
    font-weight: 600;
    color: var(--cinza-texto);
    font-variant-numeric: tabular-nums;
}

.icon-btn {
    width: 36px;
    height: 36px;
    border-radius: var(--raio-sm);
    background: var(--cinza-fundo);
    border: 1px solid var(--cinza-borda);
    color: var(--cinza-texto);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transicao);
}
.icon-btn:hover {
    background: var(--azul-suave);
    color: var(--azul-primario);
    border-color: var(--azul-claro);
}

.user-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px 6px 6px;
    background: var(--cinza-fundo);
    border-radius: 999px;
    border: 1px solid var(--cinza-borda);
    font-size: 13px;
    font-weight: 600;
    color: var(--texto-principal);
}
.user-chip-avatar {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--azul-primario), var(--azul-claro));
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 700;
    font-size: 11px;
}

/* ══ Sidebar ══ */
.sidebar {
    grid-area: sidebar;
    background: var(--cinza-container);
    border-right: 1px solid var(--cinza-borda);
    padding: 20px 14px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    box-shadow: 2px 0 16px rgba(59, 130, 246, 0.04);
    overflow-y: auto;
    max-height: calc(100vh - 68px);
    position: sticky;
    top: 68px;
}

.sidebar-section {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.6px;
    text-transform: uppercase;
    color: var(--cinza-texto);
    padding: 14px 14px 6px;
}

.sidebar-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 14px;
    border-radius: var(--raio-btn);
    font-size: 14px;
    font-weight: 500;
    color: var(--cinza-texto);
    cursor: pointer;
    transition: var(--transicao);
    text-decoration: none;
    border: none;
    background: transparent;
    font-family: inherit;
    text-align: left;
}
.sidebar-item:hover {
    background: var(--cinza-fundo);
    color: var(--texto-principal);
}
.sidebar-item.active {
    background: var(--azul-suave);
    color: var(--azul-primario);
    font-weight: 600;
}

.sidebar-item svg { flex-shrink: 0; }

.sidebar-form {
    margin-top: 8px;
    padding: 14px;
    background: var(--cinza-fundo);
    border-radius: var(--raio-btn);
    border: 1px solid var(--cinza-borda);
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.sidebar-form .label {
    font-size: 10px;
    margin-bottom: 4px;
}

.sidebar-form .input,
.sidebar-form .select {
    padding: 9px 12px;
    font-size: 13px;
}

/* ══ Main content ══ */
.main {
    grid-area: main;
    padding: 28px 32px 60px;
    overflow-x: hidden;
    overflow-y: auto;
}

.page-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 22px;
}

.page-title {
    font-size: 22px;
    font-weight: 700;
    letter-spacing: -0.4px;
    color: var(--texto-principal);
}

.page-subtitle {
    font-size: 13px;
    font-weight: 500;
    color: var(--cinza-texto);
    margin-top: 4px;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 18px;
}

/* ══ Login ══ */
.login-shell {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-card {
    width: 100%;
    max-width: 420px;
    background: var(--cinza-container);
    border-radius: var(--raio);
    border: 1px solid var(--cinza-borda);
    box-shadow: var(--sombra-card);
    padding: 40px 36px;
    animation: slideUp 0.45s cubic-bezier(0.4, 0, 0.2, 1) both;
}

.login-logo {
    width: 56px;
    height: 56px;
    margin: 0 auto 18px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--azul-primario), var(--azul-claro));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 800;
    font-size: 20px;
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.35);
}

.login-title {
    text-align: center;
    font-size: 22px;
    font-weight: 700;
    letter-spacing: -0.4px;
    margin-bottom: 6px;
}
.login-subtitle {
    text-align: center;
    font-size: 13px;
    color: var(--cinza-texto);
    margin-bottom: 28px;
}

/* ══ Logs panel ══ */
.log-panel {
    background: #0d1625;
    color: #c8e1ff;
    border-radius: var(--raio);
    padding: 20px;
    font-family: 'JetBrains Mono', 'Consolas', monospace;
    font-size: 13px;
    line-height: 1.65;
    height: calc(100vh - 220px);
    min-height: 400px;
    overflow-y: auto;
    border: 1px solid #1e2e46;
}

.log-line {
    padding: 2px 0;
    white-space: pre-wrap;
    word-break: break-word;
}
.log-line .ts {
    color: #7da3c8;
    margin-right: 10px;
}
.log-line.err .msg { color: #f87171; }
.log-line.ok .msg { color: #34d399; }

.log-toolbar {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
    flex-wrap: wrap;
}
.log-toolbar .input { flex: 1; min-width: 200px; }


/* ══ Logs layout: igual às demais páginas, scroll só no log-panel ══ */
.logs-page {
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.logs-page .log-card {
    display: flex;
    flex-direction: column;
    flex: 1;
    max-height: 75vh;
    min-height: 400px;
    overflow: hidden;
    padding: 18px;
    margin: 0;
}

.logs-page .log-panel {
    flex: 1;
    min-height: 0;
    height: auto;
    overflow-y: auto;
}