.app-shell {
    min-height: 100vh;
}

.sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    z-index: 30;
    width: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    background: rgba(9, 9, 11, 0.94);
    border-right: 1px solid var(--color-border);
    transition: width 0.24s ease;
}

.brand {
    height: var(--topbar-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 0 14px 0 var(--space-5);
}

/* Botao de mostrar/ocultar, dentro do menu, ao lado do logo. E aqui que a
   pessoa espera achar o controle do proprio menu, nao solto la na barra de
   cima. O icone e o de menu, que todo mundo reconhece. */
.sidebar-toggle {
    flex: 0 0 auto;
    display: inline-grid;
    place-items: center;
    width: 34px;
    height: 34px;
    border: 1px solid var(--color-border);
    border-radius: 9px;
    background: transparent;
    color: var(--color-muted);
    cursor: pointer;
    transition: background 0.16s ease, color 0.16s ease, border-color 0.16s ease;
}

.sidebar-toggle .icon {
    width: 18px;
    height: 18px;
}

.sidebar-toggle:hover {
    background: var(--color-surface-2);
    color: var(--color-text);
    border-color: rgba(124, 199, 238, 0.4);
}

.brand-logo {
    display: block;
    max-width: 100%;
    height: auto;
}

.brand-logo-sidebar {
    width: 150px;
}

.topbar-brand {
    flex: 0 0 auto;
    display: none;
    align-items: center;
}

.brand-logo-topbar {
    width: 132px;
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: var(--space-4) 10px;
    scrollbar-width: thin;
    scrollbar-color: var(--color-surface-3) transparent;
}

.nav-section {
    margin: 20px 14px 8px;
    color: var(--color-soft);
    font-size: 10.5px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    white-space: nowrap;
    overflow: hidden;
}

.nav-link {
    position: relative;
    min-height: 44px;
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 2px 0;
    padding: 10px 12px;
    border: 1px solid transparent;
    border-radius: 10px;
    color: var(--color-muted);
    font-size: 14px;
    font-weight: 600;
    white-space: nowrap;
    transition: background 0.16s ease, color 0.16s ease, border-color 0.16s ease;
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-text);
}

.nav-link:hover .icon {
    color: var(--color-text);
}

/*
 * Item ativo limpo: um fundo neutro discreto, uma barra fina de acento na
 * frente e o icone em azul. So isso. Antes eram quatro efeitos de azul
 * empilhados, degrade, anel, brilho e barra, e virava poluicao.
 */
.nav-link.is-active,
.sidebar-nav .nav-link.is-active {
    background: rgba(255, 255, 255, 0.055);
    box-shadow: inset 3px 0 0 0 var(--color-secondary);
    color: #ffffff;
    font-weight: 700;
}

.nav-link .icon {
    flex: 0 0 22px;
    width: 22px;
    height: 22px;
    color: var(--color-soft);
    transition: color 0.16s ease;
}

.nav-link.is-active .icon {
    color: var(--color-secondary);
}

/* --- menu recolhido: so os icones --- */

html.sidebar-collapsed {
    --sidebar-width: 76px;
}

html.sidebar-collapsed .brand {
    justify-content: center;
    padding: 0;
}

html.sidebar-collapsed .brand-logo-sidebar {
    display: none;
}

html.sidebar-collapsed .nav-link {
    justify-content: center;
    gap: 0;
    padding: 10px 0;
}

html.sidebar-collapsed .nav-link span {
    display: none;
}

/* A barra de acento so faz sentido com texto ao lado; recolhido, o proprio
   fundo da pastilha ja marca o ativo. */
html.sidebar-collapsed .nav-link.is-active {
    box-shadow: 0 6px 18px rgba(10, 78, 120, 0.28);
}

/* Os titulos de secao viram um traco, para nao pesar sem o texto. */
html.sidebar-collapsed .nav-section {
    height: 1px;
    margin: 14px 14px;
    padding: 0;
    background: var(--color-border);
    color: transparent;
}

html.sidebar-collapsed .sidebar-cta {
    display: none;
}

.sidebar-cta {
    padding: var(--space-4);
    border-top: 1px solid var(--color-border);
}

.sidebar-cta > .button {
    width: 100%;
    color: var(--color-muted);
    background: var(--color-surface-2);
    border-color: var(--color-border);
    box-shadow: none;
}

.sidebar-cta > .button:hover {
    color: var(--color-text);
    filter: none;
}

.sidebar-cta-card {
    position: relative;
    overflow: hidden;
    padding: 1px;
    border-radius: var(--radius-lg);
    background: var(--color-surface-3);
}

.sidebar-cta-card::before {
    content: "";
    position: absolute;
    inset: -70%;
    background: conic-gradient(from 0deg, transparent 0deg, var(--color-primary) 34deg, transparent 78deg);
    animation: ctaSweep 5s linear infinite;
}

.sidebar-cta-card-inner {
    position: relative;
    z-index: 1;
    padding: 14px;
    background: var(--color-surface);
    border-radius: calc(var(--radius-lg) - 1px);
}

.sidebar-cta-title {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0 0 6px;
    color: var(--color-secondary);
    font-size: 14px;
    font-weight: 700;
}

.sidebar-cta-title .icon {
    font-size: 19px;
}

.sidebar-cta-text {
    margin: 0 0 12px;
    color: var(--color-muted);
    font-size: 12px;
    line-height: 1.45;
}

.sidebar-cta-card .button {
    width: 100%;
    min-height: 38px;
    font-size: 13px;
}

@keyframes ctaSweep {
    to {
        transform: rotate(1turn);
    }
}

@media (prefers-reduced-motion: reduce) {
    .sidebar-cta-card::before {
        animation: none;
    }
}

.topbar {
    position: fixed;
    top: 0;
    right: 0;
    left: var(--sidebar-width);
    z-index: 20;
    height: var(--topbar-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    padding: 0 var(--space-5);
    background: rgba(9, 9, 11, 0.72);
    /* Sem a linha dura embaixo. O desfoque do fundo e uma sombra bem leve dao
       a separacao do conteudo sem o risco datado que cortava a tela. */
    box-shadow: 0 10px 24px -18px rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(18px);
    transition: left 0.24s ease;
}

.topbar-search {
    position: relative;
    width: min(448px, 100%);
    margin-left: auto;
}

.topbar-search .icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-soft);
}

.topbar-search input {
    width: 100%;
    height: 42px;
    padding: 0 16px 0 44px;
    color: var(--color-text);
    background: var(--color-surface-2);
    border: 1px solid transparent;
    border-radius: 999px;
    outline: 0;
}

.topbar-search input:focus {
    border-color: var(--color-primary-soft);
    box-shadow: var(--shadow-glow);
}

.topbar-actions {
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.icon-button,
.avatar-button {
    width: 40px;
    height: 40px;
    display: grid;
    place-items: center;
    color: var(--color-muted);
    background: transparent;
    border: 0;
    border-radius: 999px;
    transition: background 150ms ease, color 150ms ease, transform 150ms ease;
}

.icon-button.topbar-balance {
    width: auto;
    min-width: 72px;
    grid-auto-flow: column;
    grid-auto-columns: max-content;
    gap: 6px;
    padding: 0 12px;
    color: var(--color-muted);
    background: var(--color-surface-2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
}

.topbar-balance .icon {
    color: var(--color-secondary);
}

.topbar-balance-value {
    color: var(--color-text);
    font-size: 13px;
    font-weight: 900;
    line-height: 1;
}

.icon-button:hover,
.avatar-button:hover {
    color: var(--color-secondary);
    background: rgba(255, 255, 255, 0.06);
}

.avatar-button {
    overflow: hidden;
    border: 1px solid var(--color-border);
}

.avatar-button img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.topbar-profile-menu {
    position: absolute;
    top: calc(100% + 12px);
    right: 0;
    z-index: 40;
    width: min(260px, calc(100vw - 24px));
    display: grid;
    gap: 8px;
    padding: 14px;
    color: var(--color-text);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: 0 18px 44px rgba(0, 0, 0, 0.34);
}

.topbar-profile-menu strong,
.topbar-profile-menu small {
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.topbar-profile-menu small {
    color: var(--color-muted);
}

.topbar-profile-menu button {
    min-height: 38px;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0 10px;
    color: var(--color-text);
    background: var(--color-surface-2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-weight: 800;
    text-align: left;
}

.topbar-profile-menu button:hover {
    color: var(--color-brand-ink);
    background: linear-gradient(135deg, var(--color-primary-soft) 0%, var(--color-primary) 100%);
}

.content {
    width: calc(100% - var(--sidebar-width));
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-left: var(--sidebar-width);
    padding: calc(var(--topbar-height) + 28px) var(--space-6) var(--space-7);
    transition: margin-left 0.24s ease, width 0.24s ease;
}

.content > * {
    width: 100%;
    max-width: 1280px;
    flex: 0 0 auto;
}

.mobile-bottom-nav {
    display: none;
}

@media (max-width: 900px) {
    .sidebar {
        display: none;
    }

    .topbar {
        left: 0;
    }

    .topbar-brand {
        display: inline-flex;
    }

    .content {
        width: 100%;
        margin-left: 0;
        padding: calc(var(--topbar-height) + 20px) var(--space-4) 92px;
    }

    .topbar-search {
        max-width: 100%;
        margin-left: 0;
    }

    .topbar-actions .icon-button:first-child {
        display: none;
    }

    .mobile-bottom-nav {
        position: fixed;
        inset: auto 0 0 0;
        z-index: 40;
        height: 68px;
        display: grid;
        grid-template-columns: repeat(5, 1fr);
        align-items: center;
        background: rgba(9, 9, 11, 0.92);
        border-top: 1px solid var(--color-border);
        backdrop-filter: blur(18px);
    }

    .mobile-bottom-nav a {
        height: 68px;
        display: grid;
        place-items: center;
        color: var(--color-muted);
        font-size: 11px;
        font-weight: 700;
    }

    .mobile-bottom-nav a.is-active {
        color: var(--color-secondary);
    }
}