:root {
    --blue: #2F7DD1;
    --blue-light: #EAF3FC;
    --blue-mid: #BFE0FF;
    --black: #0F1114;
    --white: #FFFFFF;
    --gray: #6B7280;
    --gray-light: #F3F4F6;
    --radius: 16px;
    --shadow: 0 12px 30px rgba(15, 17, 20, 0.08);
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);

    /* Carrossel */
    --card-w: 260px;
    --card-gap: 16px;
}

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

body {
    background: var(--white);
    color: var(--black);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 40px 16px 60px;
}

.container {
    width: 100%;
    max-width: 900px;
    display: flex;
    flex-direction: column;
    gap: 36px;
    transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.25s ease;
    animation: appSlideUp 0.65s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.container.page-exit-left {
    transform: translateX(-90px);
    opacity: 0;
}

@keyframes appSlideUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===========================
   Header
   =========================== */
header.top {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 6px;
    text-align: center;
    margin-bottom: 10px;
    position: relative;
}

/* ===========================
   Botão discreto de Usuário + XP
   =========================== */
.header-top-row {
    width: 100%;
    display: flex;
    justify-content: flex-end;
    margin-bottom: 6px;
}

.user-xp-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--white);
    border: 1.5px solid var(--blue-mid);
    padding: 6px 14px;
    border-radius: 999px;
    text-decoration: none;
    color: var(--black);
    font-size: 13px;
    font-weight: 700;
    box-shadow: 0 2px 8px rgba(47, 125, 209, 0.08);
    transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
    cursor: pointer;
    line-height: 1;
}

.user-xp-pill:hover {
    border-color: var(--blue);
    background: var(--blue-light);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(47, 125, 209, 0.18);
}

.pill-user-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--blue);
}

.pill-sep {
    width: 1px;
    height: 14px;
    background: var(--blue-mid);
}

.pill-xp-box {
    display: flex;
    align-items: center;
    gap: 5px;
}

.pill-xp-star {
    font-size: 13px;
    line-height: 1;
}

.pill-xp-val {
    color: #D97706;
    font-weight: 800;
    font-size: 13px;
}

.brand .eyebrow {
    font-size: 12px;
    letter-spacing: .16em;
    text-transform: uppercase;
    color: var(--blue);
    font-weight: 800;
    display: block;
    margin-bottom: 4px;
}

.brand .title {
    font-size: 28px;
    font-weight: 800;
    color: var(--black);
    line-height: 1.2;
}

.brand .subtitle {
    font-size: 15px;
    color: var(--gray);
    margin-top: 8px;
    font-weight: 400;
}

/* ===========================
   Seção Catálogo com Carrossel
   =========================== */
.catalog-section {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

/* Cabeçalho da seção */
.section-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 2px;
}

.section-icon {
    font-size: 26px;
    line-height: 1;
    flex-shrink: 0;
}

.section-info {
    flex: 1;
    min-width: 0;
}

.section-title {
    font-size: 18px;
    font-weight: 800;
    color: var(--black);
    line-height: 1.2;
}

.section-subtitle {
    font-size: 12px;
    color: var(--gray);
    margin-top: 2px;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Botões de navegação do carrossel */
.carousel-nav {
    display: flex;
    gap: 6px;
    flex-shrink: 0;
}

.nav-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    border: 1.5px solid var(--blue-mid);
    background: var(--white);
    color: var(--blue);
    cursor: pointer;
    transition: var(--transition);
    flex-shrink: 0;
}

.nav-btn:hover {
    background: var(--blue);
    border-color: var(--blue);
    color: var(--white);
    transform: scale(1.08);
}

.nav-btn:disabled {
    opacity: 0.35;
    cursor: default;
    transform: none;
}

/* Trilha do carrossel */
.carousel {
    display: flex;
    gap: var(--card-gap);
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 12px;
    /* Esconde scrollbar mas mantém funcional */
    scrollbar-width: none;       /* Firefox */
    -ms-overflow-style: none;   /* IE/Edge */
    scroll-behavior: smooth;
}

.carousel::-webkit-scrollbar {
    display: none; /* Chrome/Safari */
}

/* Cards dentro do carrossel */
.carousel .card {
    flex: 0 0 var(--card-w);
    scroll-snap-align: start;
    min-height: 200px;
}

/* ===========================
   Estilo do Card
   =========================== */
.card {
    background: var(--blue-light);
    border: 1.5px solid var(--blue-mid);
    border-radius: var(--radius);
    padding: 20px;
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--blue);
    opacity: 0;
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-4px);
    border-color: var(--blue);
    box-shadow: 0 16px 36px rgba(47, 125, 209, 0.15);
    background: var(--white);
}

.card:hover::before {
    opacity: 1;
}

/* Variantes de idiomas */
.card--en { border-color: #C0D8FF; background: #EDF4FF; }
.card--en::before { background: #3B82F6; }
.card--en:hover { border-color: #3B82F6; box-shadow: 0 16px 36px rgba(59,130,246,0.15); }

.card--es { border-color: #FFD6B8; background: #FFF4ED; }
.card--es::before { background: #F97316; }
.card--es:hover { border-color: #F97316; box-shadow: 0 16px 36px rgba(249,115,22,0.15); }

.card--de { border-color: #FFDADA; background: #FFF4F4; }
.card--de::before { background: #EF4444; }
.card--de:hover { border-color: #EF4444; box-shadow: 0 16px 36px rgba(239,68,68,0.15); }

.card-top {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.card-tag {
    align-self: flex-start;
    background: var(--blue);
    color: var(--white);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: .06em;
    text-transform: uppercase;
    padding: 4px 10px;
    border-radius: 999px;
    transition: var(--transition);
}

.card:hover .card-tag {
    background: var(--black);
}

/* Tags de idioma não ficam em caps */
.card--en .card-tag,
.card--es .card-tag,
.card--de .card-tag {
    text-transform: none;
    letter-spacing: 0;
    font-size: 11px;
}

.card-title {
    font-size: 16px;
    font-weight: 800;
    color: var(--black);
    line-height: 1.3;
    margin-top: 2px;
}

.card-desc {
    font-size: 12px;
    color: var(--gray);
    line-height: 1.45;
}

.card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 14px;
    font-size: 12px;
    font-weight: 700;
    color: var(--blue);
    transition: var(--transition);
}

.card:hover .card-footer {
    color: var(--black);
}

.arrow-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: var(--white);
    border: 1.5px solid var(--blue-mid);
    transition: var(--transition);
    flex-shrink: 0;
}

.card:hover .arrow-icon {
    background: var(--black);
    border-color: var(--black);
    color: var(--white);
    transform: translateX(4px);
}

/* ===========================
   Grade de busca (fallback)
   =========================== */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    width: 100%;
}

.cards-grid .card {
    min-height: 180px;
}

@media (max-width: 600px) {
    .cards-grid {
        grid-template-columns: 1fr;
    }
}

/* ===========================
   Barra de Busca
   =========================== */
.search-wrap {
    width: 100%;
}

.search-bar {
    display: flex;
    align-items: center;
    background: var(--white);
    border: 1.5px solid var(--blue-mid);
    border-radius: 14px;
    padding: 6px 6px 6px 18px;
    gap: 10px;
    box-shadow: var(--shadow);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.search-bar:focus-within {
    border-color: var(--blue);
    box-shadow: 0 0 0 3px rgba(47, 125, 209, 0.12);
}

.search-icon-left {
    flex-shrink: 0;
    color: var(--gray);
    pointer-events: none;
}

.search-input {
    flex: 1;
    border: none;
    outline: none;
    background: transparent;
    font-size: 15px;
    font-family: inherit;
    color: var(--black);
    min-width: 0;
}

.search-input::placeholder {
    color: var(--gray);
}

.search-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--blue);
    color: var(--white);
    border: none;
    border-radius: 10px;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 700;
    font-family: inherit;
    cursor: pointer;
    flex-shrink: 0;
    transition: background 0.2s, transform 0.15s;
    line-height: 1;
}

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

.search-btn:active {
    transform: translateY(0);
}

/* ===========================
   Estado vazio (sem resultados)
   =========================== */
.empty-state {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 48px 24px;
    background: var(--blue-light);
    border: 1.5px dashed var(--blue-mid);
    border-radius: var(--radius);
    text-align: center;
}

.empty-state.hidden {
    display: none;
}

.empty-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: var(--white);
    border: 1.5px solid var(--blue-mid);
    color: var(--gray);
    margin-bottom: 4px;
}

.empty-title {
    font-size: 17px;
    font-weight: 800;
    color: var(--black);
}

.empty-sub {
    font-size: 14px;
    color: var(--gray);
    line-height: 1.5;
}

.empty-sub span {
    font-weight: 700;
    color: var(--blue);
}

.empty-clear {
    margin-top: 8px;
    background: var(--white);
    border: 1.5px solid var(--blue-mid);
    color: var(--blue);
    font-size: 14px;
    font-weight: 700;
    font-family: inherit;
    padding: 9px 24px;
    border-radius: 10px;
    cursor: pointer;
    transition: var(--transition);
}

.empty-clear:hover {
    background: var(--blue);
    color: var(--white);
    border-color: var(--blue);
}

/* ===========================
   Container colapsável de seções extras
   =========================== */
.collapsible-wrapper {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows 0.55s cubic-bezier(0.16, 1, 0.3, 1),
                margin-top 0.55s cubic-bezier(0.16, 1, 0.3, 1),
                opacity 0.4s ease;
    width: 100%;
    margin-top: -36px; /* neutraliza o flex-gap do container quando colapsado */
    opacity: 0;
    pointer-events: none;
}

.collapsible-wrapper.is-expanded {
    grid-template-rows: 1fr;
    margin-top: 0;
    opacity: 1;
    pointer-events: auto;
}

.collapsible-inner {
    min-height: 0;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: 36px;
    padding: 6px 4px 14px; /* folga para sombra e elevação no hover dos cards */
    margin: -6px -4px -14px;
}

/* Efeito de entrada de baixo para cima nos carrosséis */
.collapsible-wrapper .catalog-section {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.45s ease, transform 0.55s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: transform, opacity;
}

.collapsible-wrapper.is-expanded .catalog-section {
    opacity: 1;
    transform: translateY(0);
}

/* Transição escalonada para fluidez premium */
.collapsible-wrapper.is-expanded .catalog-section:nth-child(1) {
    transition-delay: 0.08s;
}

.collapsible-wrapper.is-expanded .catalog-section:nth-child(2) {
    transition-delay: 0.18s;
}

/* ===========================
   Botão "Ver mais categorias"
   =========================== */
.expand-wrap {
    width: 100%;
    display: flex;
    justify-content: center;
    transition: transform 0.55s cubic-bezier(0.16, 1, 0.3, 1);
}

.expand-btn {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    background: var(--blue-light);
    border: 1.5px solid var(--blue-mid);
    color: var(--blue);
    font-size: 14px;
    font-weight: 700;
    font-family: inherit;
    padding: 11px 28px;
    border-radius: 999px;
    cursor: pointer;
    transition: background 0.22s, color 0.22s, border-color 0.22s, transform 0.15s, box-shadow 0.22s;
    line-height: 1;
}

.expand-btn:hover {
    background: var(--blue);
    border-color: var(--blue);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(47, 125, 209, 0.2);
}

.expand-btn:hover .expand-badge {
    background: rgba(255,255,255,0.25);
    color: var(--white);
}

.expand-badge {
    background: var(--blue-mid);
    color: var(--blue);
    font-size: 11px;
    font-weight: 800;
    padding: 2px 8px;
    border-radius: 999px;
    transition: background 0.22s, color 0.22s;
}

/* Rotação do chevron quando expandido */
.expand-btn.is-expanded .expand-icon {
    transform: rotate(180deg);
}

.expand-icon {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===========================
   Footer
   =========================== */
footer.note {
    width: 100%;
    text-align: center;
    color: var(--gray);
    font-size: 12px;
    margin-top: 24px;
    line-height: 1.5;
}

/* ===========================
   Responsivo Mobile
   =========================== */
@media (max-width: 600px) {
    :root {
        --card-w: 220px;
    }

    body {
        padding: 24px 12px 48px;
    }

    .brand .title {
        font-size: 22px;
    }

    .section-title {
        font-size: 16px;
    }

    .section-subtitle {
        font-size: 11px;
    }
}

@media (max-width: 768px) {
    /* Em mobile: o botão apenas exibe o XP, sem navegação */
    .user-xp-pill {
        cursor: default;
        pointer-events: none;
    }
    .user-xp-pill:hover {
        transform: none;
        box-shadow: 0 2px 8px rgba(47, 125, 209, 0.08);
        border-color: var(--blue-mid);
        background: var(--white);
    }
}