/* ============ TOPBAR ============ */
.topbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    height: var(--topbar-height);
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-bottom: 1px solid var(--border-lighter);
    display: flex;
    align-items: center;
    padding: 0;
    gap: 0;
    width: 100%;
    box-sizing: border-box;
}

/* IMPORTANTE: Compensa a altura do header fixed */
body {
    padding-top: var(--topbar-height);
    overflow: visible;
}

.app-layout {
    overflow: visible;
}

.topbar__brand {
    width: var(--sidebar-width);
    min-width: var(--sidebar-width);
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 0.15rem;
    text-decoration: none;
    padding: 0 2rem;
    box-sizing: border-box;
    flex-shrink: 0;
}

.topbar__brand-logo {
    height: 28px;
    width: auto;
}

.topbar__brand-tagline {
    font-size: 0.75rem;
    color: var(--medium-gray);
    font-weight: 500;
    white-space: nowrap;
    letter-spacing: normal;
    text-transform: none;
}

/* ============ SEARCH ============ */
.topbar__search {
    flex: 1;
    min-width: 0;
    max-width: none;
    position: relative;
}

.topbar__search-header {
    position: relative;
    width: 100%;
}

.topbar__search-icon {
    position: absolute;
    left: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    color: #adb5bd;
    font-size: 1rem;
    pointer-events: none;
    transition: var(--transition-fast);
    z-index: 1;
}

.topbar__search-input {
    width: 100%;
    padding: 0.8rem 1.25rem 0.8rem 3rem;
    background: var(--lighter-gray);
    border: 2px solid transparent;
    border-radius: 50px;
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--dark-text);
    transition: var(--transition);
    outline: none;
}

.topbar__search-input::placeholder {
    color: #adb5bd;
}

.topbar__search-input:focus {
    background: var(--white);
    border-color: rgba(var(--primary-rgb), 0.3);
    box-shadow: 0 0 0 4px rgba(var(--primary-rgb), 0.06);
}

.topbar__search-input:focus ~ .topbar__search-icon {
    color: var(--primary);
}

.topbar__search-shortcut {
    position: absolute;
    right: 0.85rem;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    gap: 0.3rem;
    pointer-events: none;
    opacity: 0.4;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--medium-gray);
}

.topbar__search-shortcut kbd {
    background: var(--border-light);
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    font-family: var(--font-body);
    font-size: 0.65rem;
    border: 1px solid var(--border-light);
    line-height: 1;
}

/* Botão X (mobile) */
.topbar__search-close {
    display: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--lighter-gray);
    border: none;
    color: var(--dark);
    font-size: 1.1rem;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
    flex-shrink: 0;
}

.topbar__search-close:hover {
    background: #fef2f2;
    color: #ef4444;
    transform: rotate(90deg);
}

/* ============ LANG ============ */
.topbar__actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
    margin-right: 0.75rem;
}

.topbar__lang {
    position: relative;
    flex-shrink: 0;
    min-width: 100px;
    display: flex;
    margin-right: 0;
    justify-content: flex-end;
}

.topbar__lang-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1rem;
    border-radius: 50px;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--dark-text);
    background: var(--lighter-gray);
    transition: var(--transition-fast);
    border: 2px solid transparent;
}

.topbar__lang-btn:hover {
    background: var(--border-light);
}

.topbar__lang-btn i:first-child {
    font-size: 1rem;
    color: var(--primary);
}

.topbar__lang-btn i:last-child {
    font-size: 0.6rem;
    transition: var(--transition-fast);
}

.topbar__lang--open .topbar__lang-btn i:last-child {
    transform: rotate(180deg);
}

.topbar__lang-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-lighter);
    min-width: 180px;
    padding: 0.5rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: var(--transition-fast);
}

.topbar__lang--open .topbar__lang-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.topbar__lang-option {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.7rem 1rem;
    border-radius: var(--radius-md);
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--dark-text);
    cursor: pointer;
    transition: var(--transition-fast);
    width: 100%;
}

.topbar__lang-option:hover {
    background: var(--lighter-gray);
}

.topbar__lang-option--active {
    background: rgba(var(--primary-rgb), 0.06);
    color: var(--primary);
    font-weight: 600;
}

.topbar__lang-flag {
    font-size: 1.2rem;
}

/* ============ MOBILE MENU TOGGLE ============ */
.mobile-menu-toggle {
    display: none;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    align-items: center;
    justify-content: center;
    background: var(--lighter-gray);
    color: var(--dark);
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition-fast);
    flex-shrink: 0;
    border: none;
}

.mobile-menu-toggle:hover {
    background: var(--border-light);
}

/* ============ MOBILE SEARCH TOGGLE ============ */
.mobile-search-toggle {
    display: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    align-items: center;
    justify-content: center;
    background: var(--lighter-gray);
    color: var(--dark);
    font-size: 1.1rem;
    cursor: pointer;
    transition: var(--transition-fast);
    flex-shrink: 0;
    border: none;
}

.mobile-search-toggle:hover {
    background: var(--border-light);
}

/* ============ RESULTADOS DA PESQUISA ============ */
.topbar__search-results {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border-lighter);
    max-height: 400px;
    overflow-y: auto;
    z-index: 100;
    display: none;
}

.topbar__search-results--open {
    display: block;
    animation: searchResultsIn 0.25s ease;
}

@keyframes searchResultsIn {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

.search-results__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1.25rem;
    border-bottom: 1px solid var(--border-lighter);
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--dark);
}

.search-results__close {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: none;
    background: var(--lighter-gray);
    color: var(--medium-gray);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    transition: var(--transition-fast);
}

.search-results__close:hover {
    background: #fef2f2;
    color: var(--error);
}

.search-results__body {
    padding: 0.5rem;
}

.search-results__item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.7rem 0.85rem;
    border-radius: var(--radius-md);
    text-decoration: none;
    color: var(--dark-text);
    transition: var(--transition-fast);
}

.search-results__item:hover {
    background: rgba(var(--primary-rgb), 0.05);
}

.search-results__item-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    background: rgba(var(--primary-rgb), 0.06);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    flex-shrink: 0;
}

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

.search-results__item-info strong {
    display: block;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 0.1rem;
}

.search-results__item-info span {
    font-size: 0.7rem;
    color: var(--medium-gray);
}

.search-results__item-arrow {
    color: var(--primary);
    font-size: 0.75rem;
    flex-shrink: 0;
}

.search-results__empty {
    text-align: center;
    padding: 2rem 1rem;
    color: var(--medium-gray);
    font-size: 0.85rem;
}

/* ============ RESPONSIVO ============ */
@media (max-width: 768px) {
    .topbar {
        padding: 0 1rem;
        gap: 0.5rem;
        z-index: 50;
        justify-content: space-between;
    }

    .topbar__brand-tagline {
        display: none;
    }

    .topbar__brand {
        width: auto;
        min-width: auto;
        padding: 0;
        margin-right: auto; /* Logo à esquerda */
    }

    .topbar__search-shortcut {
        display: none;
    }

    .topbar__lang {
        min-width: auto;
        margin-right: 0;
    }

    .mobile-menu-toggle {
        display: flex;
    }
    
    .mobile-search-toggle {
        display: flex;
    }
    
    /* Search vira overlay no mobile */
    .topbar__search {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 200;
        background: var(--white);
        padding: 1rem;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
        display: none;
        flex-direction: column;
        gap: 0.75rem;
        animation: searchOverlayIn 0.3s ease;
        border-bottom: 1px solid var(--border-lighter);
    }
    
    .topbar__search--active {
        display: flex;
    }
    
    @keyframes searchOverlayIn {
        from {
            opacity: 0;
            transform: translateY(-20px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    
    /* Header do overlay com input e botão fechar */
    .topbar__search-header {
        display: flex;
        align-items: center;
        gap: 0.75rem;
        width: 100%;
    }
    
    /* Input de pesquisa */
    .topbar__search-input {
        flex: 1;
        padding: 0.85rem 1rem 0.85rem 3rem;
        font-size: 0.95rem;
        background: var(--lighter-gray);
        border: 2px solid transparent;
        border-radius: 50px;
        outline: none;
        transition: var(--transition);
    }
    
    .topbar__search-input:focus {
        background: var(--white);
        border-color: rgba(var(--primary-rgb), 0.3);
        box-shadow: 0 0 0 4px rgba(var(--primary-rgb), 0.06);
    }
    
    /* Ícone de lupa dentro do input */
    .topbar__search-icon {
        position: absolute;
        left: 1.75rem;
        top: 50%;
        transform: translateY(-50%);
        color: #adb5bd;
        font-size: 0.95rem;
        pointer-events: none;
        z-index: 1;
    }
    
    /* Botão X para fechar */
    .topbar__search-close {
        display: flex;
    }
    
    /* Resultados da pesquisa */
    .topbar__search-results {
        position: static;
        display: none;
        max-height: calc(100vh - 120px);
        overflow-y: auto;
        border-radius: var(--radius-md);
        box-shadow: none;
        border: 1px solid var(--border-lighter);
        margin-top: 0.5rem;
    }
    
    .topbar__search-results--open {
        display: block;
    }
}

@media (max-width: 576px) {
    .topbar {
        gap: 0.5rem;
    }
    
    .topbar__lang-btn {
        padding: 0.5rem 0.7rem;
        font-size: 0.8rem;
    }
    
    .topbar__lang-btn span {
        display: none;
    }
}

@media (max-width: 480px) {
    .topbar__search {
        padding: 0.75rem;
    }
    
    .topbar__search-input {
        padding: 0.75rem 1rem 0.75rem 2.75rem;
        font-size: 0.88rem;
    }
    
    .topbar__search-icon {
        left: 1.25rem;
        font-size: 0.85rem;
    }
    
    .topbar__search-close {
        width: 36px;
        height: 36px;
        font-size: 1rem;
    }
    
    .mobile-search-toggle,
    .mobile-menu-toggle {
        width: 36px;
        height: 36px;
        font-size: 1rem;
    }
}

/* Mantém os controlos do cabeçalho numa única linha em ecrãs pequenos. */
@media (max-width: 576px) {
    .topbar {
        height: 64px;
        min-height: 64px;
        padding-inline: max(.65rem, env(safe-area-inset-left)) max(.65rem, env(safe-area-inset-right));
        gap: .35rem;
        flex-wrap: nowrap;
    }
    :root { --topbar-height: 64px; }
    .topbar__brand { flex: 0 1 auto; min-width: 0; margin-right: auto; }
    .topbar__brand-logo { display: block; width: auto; max-width: clamp(88px, 26vw, 126px); height: auto; max-height: 30px; }
    .mobile-search-toggle,
    .mobile-menu-toggle { flex: 0 0 40px; width: 40px; height: 40px; }
    .topbar__actions { flex: 0 0 auto; display: flex; flex-direction: row; flex-wrap: nowrap; align-items: center; gap: .3rem; margin: 0; }
    .topbar__lang { flex: 0 0 auto; min-width: 0; }
    .topbar__lang-btn { min-height: 40px; padding: .45rem .55rem; gap: .35rem; }
    .sofara-theme-toggle { flex: 0 0 40px; width: 40px; height: 40px; }
}

@media (max-width: 360px) {
    .topbar { gap: .2rem; padding-inline: .5rem; }
    .topbar__brand-logo { max-width: 82px; }
    .mobile-search-toggle,
    .mobile-menu-toggle { flex-basis: 36px; width: 36px; height: 36px; }
    .topbar__lang-btn { padding-inline: .45rem; }
    .sofara-theme-toggle { flex-basis: 36px; width: 36px; height: 36px; }
}

/* ============ SORA AI LAUNCHER ============ */
.sora-ai-launcher {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 110px;
    height: 44px;
    background: var(--lighter-gray);
    border: 1px solid var(--border-light);
    border-radius: 100px;
    cursor: pointer;
    transition: var(--transition-fast);
    flex-shrink: 0;
    padding: 0;
    margin-left: 0.5rem;
    overflow: hidden;
    position: relative;
}

.sora-ai-launcher:hover {
    border-color: var(--primary);
    background: rgba(var(--primary-rgb), 0.04);
    box-shadow: 0 0 12px rgba(var(--primary-rgb), 0.15);
    transform: scale(1.05);
}

.sora-ai-launcher:active {
    transform: scale(0.95);
}

.sora-ai-launcher__logo {
    width: 60%;
    height: 60%;
    object-fit: contain;
    position: relative;
    z-index: 1;
}

/* ============ RESPONSIVO - ESCONDE O BOTÃO NO MOBILE ============ */
@media (max-width: 992px) {
    .sora-ai-launcher {
        display: none;
    }
}

@media (max-width: 768px) {
    .sora-ai-launcher {
        display: none;
    }
}

@media (max-width: 576px) {
    .sora-ai-launcher {
        display: none;
    }
}