/* === LAYOUT CONVENCIONAL === */
.app-container {
    display: flex;
    max-width: 1400px;
    margin: 0 auto;
    min-height: 100vh;
    position: relative;
    z-index: 10;
    background: var(--bg-dark);
}

/* MOBILE ELEMENTS DEFAULT HIDDEN */
.mobile-menu-btn,
.mobile-comments-toggle,
.mobile-close-btn {
    display: none;
}

.nav-action-btn {
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 1.4rem;
    cursor: pointer;
    padding: 5px;
}

/* === LEFT SIDEBAR === */
.left-sidebar {
    width: 260px;
    border-right: 1px solid var(--border-color);
    padding: 20px 12px;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    background: rgba(10, 10, 12, 0.96);
    backdrop-filter: blur(24px);
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1),
        padding 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: sticky;
    top: 0;
    height: 100vh;
    z-index: 100;
}

.left-sidebar.collapsed-desktop {
    width: 72px;
    padding: 24px 0;
    overflow: visible !important;
    z-index: 10000;
}

.left-sidebar.collapsed-desktop .brand span,
.left-sidebar.collapsed-desktop .communities-title,
.left-sidebar.collapsed-desktop .communities,
.left-sidebar.collapsed-desktop .widget,
.left-sidebar.collapsed-desktop .widget-friends,
.left-sidebar.collapsed-desktop .sidebar-user-info,
.left-sidebar.collapsed-desktop .nav-institutional,
.left-sidebar.collapsed-desktop .divider {
    display: none;
}

.left-sidebar.collapsed-desktop .nav-item {
    padding: 13px 0;
    justify-content: center;
    border-radius: 14px;
    margin: 2px 8px;
}

/* Esconde label de texto — mantém ícone e badge */
.left-sidebar.collapsed-desktop .nav-label {
    display: none;
}

.left-sidebar.collapsed-desktop .nav-item i {
    font-size: 1.3rem;
    margin: 0;
    width: auto;
}

.left-sidebar.collapsed-desktop .sidebar-profile-top {
    padding: 8px 4px;
    justify-content: center;
    background: transparent;
    border-color: transparent;
}

/* === BRAND AREA: toggle always fixed size & position === */
.brand {
    font-size: 1.25rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    margin-bottom: 28px;
    letter-spacing: 1px;
    font-family: var(--font-mono);
    /* Reserva sempre a mesma altura para não pular */
    min-height: 40px;
    padding: 0 8px;
}

/* O toggle ocupa sempre uma área fixa de 40x40 */
.sidebar-toggle {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: 10px;
    color: #fff;
    font-size: 1.05rem;
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s;
    margin-right: 10px;
}

.sidebar-toggle:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.15);
}

.brand-wrapper {
    display: flex;
    align-items: center;
    gap: 0;
    /* gap agora é controlado pelo margin-right do toggle */
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-primary);
    text-decoration: none;
    overflow: hidden;
    white-space: nowrap;
    /* Transição suave ao esconder */
    transition: opacity 0.2s, max-width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    max-width: 200px;
    opacity: 1;
}

.brand i {
    color: var(--accent-red);
    filter: drop-shadow(0 0 8px var(--accent-red));
}

/* MODO COLAPSADO: toggle no centro, logo desaparece suavemente */
.left-sidebar.collapsed-desktop .brand {
    justify-content: center;
    padding: 0;
    margin-bottom: 20px;
}

.left-sidebar.collapsed-desktop .brand-wrapper {
    justify-content: center;
}

.left-sidebar.collapsed-desktop .sidebar-toggle {
    margin-right: 0;
    /* Mantém exatamente o mesmo tamanho e visual */
    font-size: 1.05rem;
}

.left-sidebar.collapsed-desktop .logo-link {
    max-width: 0;
    opacity: 0;
    pointer-events: none;
    overflow: hidden;
    margin: 0;
    padding: 0;
}

/* Ajuste específico para o dropdown quando o sidebar está colapsado */
.left-sidebar.collapsed-desktop .sidebar-dropdown {
    left: calc(100% + 15px);
    right: auto;
    top: 0;
    width: 240px;
}

.left-sidebar.collapsed-desktop .sidebar-dropdown::before {
    content: '';
    position: absolute;
    top: 20px;
    left: -6px;
    width: 12px;
    height: 12px;
    background: #111;
    transform: rotate(45deg);
    border-left: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}



.nav-menu {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: 24px;
}

.nav-item {
    padding: 9px 12px;
    border-radius: 10px;
    font-size: 0.9rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: background 0.18s ease, color 0.18s ease, transform 0.18s ease;
    color: var(--text-secondary);
    text-decoration: none;
    border: 1px solid transparent;
}

/* Label span — animated hide on collapse */
.nav-label {
    transition: opacity 0.2s ease, max-width 0.3s ease;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}

/* Smaller institutional links */
.nav-item-sm {
    font-size: 0.8rem;
    opacity: 0.6;
    padding: 7px 12px;
}

.nav-item i {
    width: 20px;
    text-align: center;
    font-size: 1.1rem;
    transition: 0.2s;
}

.nav-item:hover {
    background: rgba(218, 55, 60, 0.06);
    color: var(--text-primary);
    transform: translateX(3px);
}

.nav-item.active {
    background: rgba(218, 55, 60, 0.1);
    color: #fff;
    font-weight: 700;
    border-color: rgba(218, 55, 60, 0.2);
}

.nav-item.active i {
    color: var(--accent-red);
    filter: drop-shadow(0 0 5px var(--accent-red));
}

.communities-title {
    font-size: 0.8rem;
    letter-spacing: 1px;
    color: var(--text-secondary);
    font-weight: 600;
    margin-bottom: 10px;
    padding-left: 10px;
    text-transform: uppercase;
}

.communities .nav-item {
    font-size: 0.95rem;
    color: var(--text-secondary);
    gap: 12px;
}

.communities .nav-item:hover {
    color: var(--text-primary);
}

.communities .nav-item.active {
    color: var(--accent-red);
    background: transparent;
}

.hash {
    color: var(--accent-red);
    font-weight: bold;
    font-family: var(--font-mono);
}

.sidebar-profile {
    margin-top: auto;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border-radius: 50px;
    cursor: pointer;
    transition: 0.2s;
    transition: 0.2s;
    border: 1px solid transparent;
}

.sidebar-profile:hover {
    background: var(--bg-hover);
    border-color: var(--border-color);
}

.sidebar-profile:hover strong {
    color: var(--accent-red);
}

.sidebar-profile img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
}

.sp-info {
    display: flex;
    flex-direction: column;
}

.sp-info strong {
    font-size: 0.95rem;
}

.sp-info span {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* 2. MAIN COLUMN */
.main-column {
    flex: 1;
    border-right: 1px solid var(--border-color);
    border-left: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: relative;
    max-width: 720px;
    margin: 0 auto; /* Centraliza a coluna principal se houver espaço extra */
}

.right-sidebar {
    width: 300px;
    height: 100vh;
    position: sticky;
    top: 0;
    padding: 20px 16px;
    border-left: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 1000;
    flex-shrink: 0;
    overflow-y: auto;
    transition: width 0.3s, opacity 0.3s, padding 0.3s;
}

.right-sidebar.collapsed-desktop {
    width: 0;
    padding: 0;
    opacity: 0;
    border: none;
    overflow: hidden;
    display: none;
}

.main-header {
    position: sticky;
    top: 0;
    background: rgba(10, 10, 12, 0.75);
    backdrop-filter: blur(28px) saturate(200%);
    -webkit-backdrop-filter: blur(28px) saturate(200%);
    padding: 12px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: 0.3s;
}

#headerTitle {
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: -0.3px;
}

.header-actions {
    display: flex;
    gap: 10px;
    align-items: center;
}

/* TOP USER MENU (YOUTUBE STYLE) */
.header-profile-area {
    position: relative;
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 15px;
}

.top-avatar-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.1);
    cursor: pointer;
    overflow: hidden;
    transition: 0.2s;
}

.top-avatar-btn:hover {
    transform: scale(1.1);
    border-color: var(--accent-red);
}

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

.profile-dropdown {
    position: absolute;
    top: 50px;
    right: 0;
    width: 250px;
    background: #111;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.8);
    display: none;
    flex-direction: column;
    overflow: hidden;
    z-index: 2000;
    backdrop-filter: blur(20px);
}

.profile-dropdown.active {
    display: flex;
    animation: slideInTop 0.2s ease;
}

.divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.05);
    margin: 5px 0;
}

.dropdown-user-info {
    padding: 15px;
    display: flex;
    gap: 12px;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.dropdown-user-info img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
}

.dropdown-user-info strong {
    font-size: 0.9rem;
    color: #fff;
}

.dropdown-user-info span {
    font-size: 0.7rem;
    color: var(--text-secondary);
}

.dropdown-link {
    padding: 12px 15px;
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-primary);
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    transition: 0.2s;
    cursor: pointer;
}

.dropdown-link:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--accent-red);
}

.dropdown-link i {
    width: 18px;
    text-align: center;
    font-size: 1rem;
    color: var(--text-secondary);
}

.dropdown-link.logout-btn {
    color: var(--accent-red);
    margin-top: 5px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.dropdown-link.logout-btn:hover {
    background: rgba(218, 55, 60, 0.1);
}

.sidebar-profile-top {
    padding: 12px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    margin: 0 0 24px 0;
    display: flex;
    align-items: center;
    gap: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
    position: relative;
    z-index: 100;
}

.sidebar-profile-top:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
}

.sidebar-profile-top .top-avatar-btn {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    border: 2px solid rgba(255, 255, 255, 0.1);
    flex-shrink: 0;
}

.sidebar-user-info {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    flex: 1;
}

.sidebar-user-info strong {
    font-size: 0.9rem;
    font-weight: 700;
    color: #fff;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-user-info span {
    font-size: 0.7rem;
    color: var(--text-secondary);
    font-family: var(--font-mono);
    opacity: 0.8;
}

.sidebar-dropdown {
    top: calc(100% + 8px);
    left: 0;
    width: calc(100% + 20px);
    z-index: 9999;
}

.main-header.profile-header-fixed {
    justify-content: flex-start;
    gap: 20px;
}

.feed-area-canvas {
    position: relative;
    flex: 1;
    overflow-x: hidden;
    width: 100%;
    display: flex;
    flex-direction: column;
}

/* === RESPONSIVIDADE (MOBILE / TABLET) === */
@media (max-width: 1200px) {
    .right-sidebar {
        display: none;
    }
}

@media (max-width: 768px) {

    /* No mobile a sidebar é um drawer que desliza por cima */
    .left-sidebar {
        position: fixed;
        top: 0;
        left: -300px;
        width: 280px;
        height: 100vh;
        z-index: 10001;
        box-shadow: 5px 0 30px rgba(0, 0, 0, 0.9);
        padding-top: 10px;
        /* Transição suave do drawer */
        transition: left 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .left-sidebar.show-mobile {
        left: 0;
    }

    /* Sidebar nunca colapsa em modo mini no mobile */
    .left-sidebar.collapsed-desktop {
        width: 280px;
        padding: 24px 16px;
    }

    .left-sidebar.collapsed-desktop .brand span,
    .left-sidebar.collapsed-desktop .communities-title,
    .left-sidebar.collapsed-desktop .communities,
    .left-sidebar.collapsed-desktop .widget,
    .left-sidebar.collapsed-desktop .widget-friends,
    .left-sidebar.collapsed-desktop .sidebar-user-info,
    .left-sidebar.collapsed-desktop .badge,
    .left-sidebar.collapsed-desktop .divider,
    .left-sidebar.collapsed-desktop .nav-label {
        display: unset;
    }

    .left-sidebar.collapsed-desktop .nav-item {
        flex-direction: row;
        padding: 10px 14px;
        font-size: 0.95rem;
        gap: 12px;
        justify-content: flex-start;
    }

    .left-sidebar.collapsed-desktop .nav-item i {
        font-size: 1.1rem;
    }

    .left-sidebar.collapsed-desktop .brand {
        justify-content: flex-start;
        padding: 0 8px;
    }

    .left-sidebar.collapsed-desktop .brand-wrapper {
        justify-content: flex-start;
    }

    .left-sidebar.collapsed-desktop .sidebar-toggle {
        margin-right: 10px;
    }

    .left-sidebar.collapsed-desktop .logo-link {
        max-width: 200px;
        opacity: 1;
        pointer-events: auto;
    }

    .left-sidebar.collapsed-desktop .sidebar-profile-top {
        padding: 12px;
        justify-content: flex-start;
        background: rgba(255, 255, 255, 0.03);
        border-color: rgba(255, 255, 255, 0.08);
    }

    .desktop-only {
        display: none;
    }

    .desktop-only-av {
        display: none;
    }

    .desktop-flex {
        display: none;
    }

    /* No mobile o toggle do header cobre ambos os casos */
    .mobile-menu-btn {
        display: none;
    }

    .menu-btn {
        display: flex;
    }

    /* Mantemos o header toggle visível no mobile */

    .compose-box {
        padding: 15px;
    }

    .app-container {
        max-width: 100vw;
        overflow-x: hidden;
        /* Espaço para a nav inferior + safe area (iPhone home indicator) */
        padding-bottom: calc(68px + env(safe-area-inset-bottom, 0px));
    }

    .main-column {
        border-right: none;
        width: 100%;
        max-width: 100vw;
    }

    .main-header {
        padding: 12px 15px;
    }

    .nav-action-btn {
        font-size: 1.2rem;
    }

    #headerSubtitle {
        display: none !important;
    }
}


/* ============================================================
   BOTTOM NAV — Material Design 3
   ============================================================ */
.mobile-bottom-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 68px;
    /* Garante que o conteúdo da nav não fique atras do home indicator */
    padding-bottom: env(safe-area-inset-bottom, 0px);
    /* A altura total inclui o safe area para evitar sobreposicão */
    min-height: calc(68px + env(safe-area-inset-bottom, 0px));
    background: rgba(10, 10, 10, 0.96);
    backdrop-filter: blur(24px) saturate(160%);
    -webkit-backdrop-filter: blur(24px) saturate(160%);
    border-top: 1px solid rgba(255, 255, 255, 0.07);
    box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.4);
    z-index: 10000;
    flex-direction: row;
    align-items: center;
    align-items: flex-start; /* itens alinhados no topo para não expandir com safe area */
    padding-top: 6px;
    -webkit-tap-highlight-color: transparent;
    transition: transform 0.34s cubic-bezier(0.4, 0, 0.2, 1),
        opacity 0.25s ease;
    will-change: transform;
}

.mobile-bottom-nav.nav-hidden {
    transform: translateY(100%);
    opacity: 0;
    pointer-events: none;
}

.nav-item-mobile {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    height: 100%;
    text-decoration: none;
    color: rgba(255, 255, 255, 0.38);
    font-size: 0;
    font-weight: 700;
    letter-spacing: 0.3px;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
    transition: color 0.2s ease;
}

.nav-icon-wrap {
    width: 52px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 15px;
    background: transparent;
    transition: background 0.22s ease, transform 0.18s ease;
}

.nav-icon-wrap i {
    font-size: 1.2rem;
    transition: color 0.2s ease, filter 0.2s ease,
        transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.nav-item-mobile:active .nav-icon-wrap {
    transform: scale(0.88);
}

.nav-item-mobile.active {
    color: rgba(255, 255, 255, 0.95);
    font-size: 0.58rem;
}

.nav-item-mobile.active .nav-icon-wrap {
    background: rgba(218, 55, 60, 0.18);
}

.nav-item-mobile.active .nav-icon-wrap i {
    color: var(--accent-red);
    filter: drop-shadow(0 0 4px rgba(218, 55, 60, 0.55));
    transform: scale(1.05);
}

.nav-label {
    line-height: 1;
    white-space: nowrap;
}

.nav-item-mobile.nav-create .nav-icon-wrap.nav-create-icon {
    width: 46px;
    height: 46px;
    border-radius: 14px;
    background: linear-gradient(145deg, #e8383d, #b91c1c);
    box-shadow: 0 3px 14px rgba(218, 55, 60, 0.38),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.nav-item-mobile.nav-create .nav-icon-wrap.nav-create-icon i {
    color: #fff;
    font-size: 1.3rem;
    filter: none;
    transform: none;
}

.nav-item-mobile.nav-create:active .nav-icon-wrap {
    transform: scale(0.87);
}

.nav-item-mobile.nav-create.active .nav-icon-wrap.nav-create-icon {
    background: linear-gradient(145deg, #e8383d, #b91c1c);
}


/* ============================================================
   CINEMATIC SPLASH LOADER — Premium Redesign
   ============================================================ */
#appLoader {
    position: fixed;
    inset: 0;
    background: #050505;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 99999;
    overflow: hidden;
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
                visibility 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

#appLoader.fade-out {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

/* Fundo com grade sutil */
.loader-bg-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(218, 55, 60, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(218, 55, 60, 0.03) 1px, transparent 1px);
    background-size: 40px 40px;
    animation: gridDrift 20s linear infinite;
}

@keyframes gridDrift {
    from { transform: translateY(0); }
    to   { transform: translateY(40px); }
}

/* Conteúdo central com animação de entrada */
.loader-center {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    animation: loaderEnter 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes loaderEnter {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* === ÍCONE COM ANÉIS === */
.loader-icon-wrap {
    position: relative;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Anéis concêntricos pulsantes */
.loader-ring {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(218, 55, 60, 0.5);
    animation: ringPulse 2.4s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.loader-ring-1 { width: 80px;  height: 80px;  animation-delay: 0s; }
.loader-ring-2 { width: 110px; height: 110px; animation-delay: 0.6s; border-color: rgba(218, 55, 60, 0.3); }
.loader-ring-3 { width: 145px; height: 145px; animation-delay: 1.2s; border-color: rgba(218, 55, 60, 0.15); }

@keyframes ringPulse {
    0%   { transform: scale(0.8); opacity: 0.8; }
    50%  { transform: scale(1.05); opacity: 0.4; }
    100% { transform: scale(0.8); opacity: 0.8; }
}

/* Ícone de fogo central */
.loader-fire-icon {
    position: relative;
    z-index: 10;
    width: 64px;
    height: 64px;
    border-radius: 20px;
    background: linear-gradient(145deg, rgba(218, 55, 60, 0.15), rgba(0,0,0,0.5));
    border: 1px solid rgba(218, 55, 60, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 30px rgba(218, 55, 60, 0.25),
                inset 0 1px 0 rgba(255,255,255,0.05);
    animation: flamePop 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes flamePop {
    from { transform: scale(0.6); opacity: 0; }
    to   { transform: scale(1);   opacity: 1; }
}

.loader-fire-icon i {
    font-size: 1.8rem;
    color: var(--accent-red);
    filter: drop-shadow(0 0 12px rgba(218, 55, 60, 0.8));
    animation: flameFlicker 1.8s ease-in-out infinite alternate;
}

@keyframes flameFlicker {
    0%   { filter: drop-shadow(0 0 8px rgba(218, 55, 60, 0.6)); transform: scale(1); }
    50%  { filter: drop-shadow(0 0 16px rgba(248, 113, 113, 0.9)); transform: scale(1.04); }
    100% { filter: drop-shadow(0 0 10px rgba(218, 55, 60, 0.7)); transform: scale(0.97); }
}

/* === NOME DO APP === */
.loader-brand {
    font-size: 2rem;
    font-weight: 900;
    letter-spacing: -1px;
    font-family: var(--font-ui, 'Inter', sans-serif);
    animation: brandReveal 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.2s both;
}

@keyframes brandReveal {
    from { opacity: 0; transform: translateY(8px); letter-spacing: 4px; }
    to   { opacity: 1; transform: translateY(0);   letter-spacing: -1px; }
}

.loader-brand-fire { color: var(--accent-red); }
.loader-brand-you  { color: rgba(255, 255, 255, 0.9); }

/* === BARRA DE PROGRESSO === */
.loader-progress-wrap {
    width: 180px;
    height: 2px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 2px;
    overflow: hidden;
}

.loader-progress-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, #e8383d, #f87171, #e8383d);
    background-size: 200% 100%;
    border-radius: 2px;
    transition: width 0.4s ease;
    animation: barShimmer 1.5s linear infinite;
}

@keyframes barShimmer {
    from { background-position: 200% center; }
    to   { background-position: -200% center; }
}

/* === MENSAGEM ROTATIVA === */
.loader-msg {
    color: rgba(255, 255, 255, 0.35);
    font-family: var(--font-mono, 'JetBrains Mono', monospace);
    font-size: 0.7rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    transition: opacity 0.4s ease, transform 0.4s ease;
    text-align: center;
}

.loader-msg.fade-swap {
    opacity: 0;
    transform: translateY(4px);
}


/* Mobile: mostra a nav como flex row */
@media (max-width: 768px) {
    .mobile-bottom-nav {
        display: flex;
    }
}

/* === FIX FINAL PARA DROPDOWN NO MODO MINI === */
.left-sidebar.collapsed-desktop .sidebar-profile-top {
    position: relative;
    overflow: visible !important;
}

.left-sidebar.collapsed-desktop .sidebar-dropdown {
    display: none;
    position: absolute !important;
    left: 80px !important;
    right: auto !important;
    top: 0 !important;
    width: 240px !important;
    z-index: 10001 !important;
}

.left-sidebar.collapsed-desktop .sidebar-dropdown.active {
    display: flex !important;
}

.left-sidebar.collapsed-desktop .sidebar-dropdown::before {
    content: '';
    position: absolute;
    top: 15px;
    left: -6px;
    width: 12px;
    height: 12px;
    background: #111;
    transform: rotate(45deg);
    border-left: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 1;
}

/* === NOTIFICATION BELL BUTTON === */
.notif-bell-btn {
    position: relative;
}

/* Oculta o sino no desktop (ja tem o painel lateral) */
@media (min-width: 769px) {
    .mobile-search-toggle {
        display: none;
    }
}

/* === MOBILE SEARCH BAR === */
.mobile-search-bar {
    background: rgba(8, 8, 8, 0.98);
    border-bottom: 1px solid var(--border-color);
    padding: 10px 15px;
    position: sticky;
    top: 53px;
    z-index: 49;
    animation: slideInTop 0.2s ease;
}

.mobile-search-inner {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 10px 14px;
}

.mobile-search-inner input {
    flex: 1;
    background: none;
    border: none;
    outline: none;
    color: var(--text-primary);
    font-size: 0.95rem;
    font-family: var(--font-ui);
}

.mobile-search-inner input::placeholder {
    color: var(--text-secondary);
}

.search-results-dropdown {
    margin-top: 8px;
    border-radius: 12px;
    overflow: hidden;
    background: #111;
    border: 1px solid var(--border-color);
}

.search-results-dropdown:empty {
    display: none;
}

/* === PROFILE PAGE MOBILE FIXES === */
@media (max-width: 768px) {

    /* Reduz altura do banner no mobile */
    .profile-banner-hero {
        height: 200px !important;
    }

    /* Info block compacta no mobile */
    .profile-info-block[style] {
        padding: 12px 16px !important;
        gap: 12px !important;
    }

    /* Avatar menor no mobile */
    .profile-avatar-large {
        width: 70px !important;
        height: 70px !important;
    }

    /* Nome e handle em fonte menor */
    #mainProfileName {
        font-size: 1.1rem !important;
    }

    /* Botões de ação em linha menor */
    .profile-actions-row {
        flex-wrap: wrap;
        gap: 6px !important;
    }

    .btn-friend-action,
    .btn-follow-action {
        font-size: 0.8rem !important;
        padding: 7px 12px !important;
    }

    /* Tabs de perfil com scroll horizontal */
    .profile-tabs-nav {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    /* Followers stack mais compacto */
    .profile-handle-tag {
        flex-wrap: wrap;
        gap: 4px;
    }

    /* Stats inline */
    .followers-stack-group {
        gap: 4px;
    }

    /* Bio area */
    #mainProfileBio {
        font-size: 0.85rem;
    }

    /* Edit button menor */
    .edit-profile-btn-floating {
        font-size: 0.8rem !important;
        padding: 6px 12px !important;
    }
}