/* =========================================================
   LAYOUT DE LISTA (Página Lectures e Anotações)
   ========================================================= */

.list-view-main {
    align-items: flex-start; /* Alinha ao topo em vez do centro */
    padding: 40px 60px;
}

.list-wrapper {
    width: 100%;
    max-width: 1100px; /* Mantém uma largura confortável para leitura */
    margin: 0 auto;
}

.page-title {
    font-size: 36px;
    font-weight: 600;
    margin-bottom: 40px;
    text-align: left;
    letter-spacing: -0.5px;
}

/* Barra de Filtros / Abas */
.list-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;

    padding-bottom: 15px;
    margin-bottom: 10px;
}

.toolbar-tabs {
    display: flex;
    gap: 25px;
}

.toolbar-tabs a {
    position: relative;
    transition: color 0.2s ease, border-color 0.2s ease;
    color: #888888;
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
}

.toolbar-tabs a:hover {
    color: #e0e0e0;
}

.toolbar-tabs a.active {
    color: #fff;
    border-bottom: 2px solid #818cf8;
}

.toolbar-controls {
    display: flex;
    gap: 20px;
}

.btn-text {
    background: transparent;
    border: none;
    color: #ffffff;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: color 0.2s;
}

.btn-text:hover {
    color: #aaaaaa;
}

/* Itens da Lista */
.list-container {
    display: flex;
    flex-direction: column;
}

.list-item {
    display: flex;
    padding: 30px 0;
    border-bottom: 1px solid #333333;
    text-decoration: none;
    color: #ffffff;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.list-item:hover {
    opacity: 0.7; /* Efeito sutil ao passar o mouse */
}

/* Coluna da Esquerda: Meta Dados */
.item-meta {
    flex: 0 0 200px; /* Largura fixa para alinhar todas as categorias */
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding-right: 20px;
}

.item-category {
    font-size: 14px;
    font-weight: 600;
    color: #ffffff;
}

.item-date {
    font-size: 14px;
    color: #888888;
}

/* Coluna da Direita: Conteúdo */
.item-content {
    flex: 1; /* Ocupa o resto do espaço */
}

.item-content h2 {
    font-size: 22px;
    font-weight: 500;
    margin-bottom: 12px;
    line-height: 1.3;
}

.item-content p {
    font-size: 16px;
    color: #aaaaaa;
    line-height: 1.6;
}

/* ====== Tag Badges ====== */
.item-tag {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    vertical-align: middle;
}

.tag-lecture {
    background-color: rgba(59, 130, 246, 0.15);
    color: #3b82f6;
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.tag-class-lecture {
    background-color: rgba(34, 197, 94, 0.15);
    color: #22c55e;
    border: 1px solid rgba(34, 197, 94, 0.3);
}

.tag-project {
    background-color: rgba(168, 85, 247, 0.15);
    color: #a855f7;
    border: 1px solid rgba(168, 85, 247, 0.3);
}

.tag-research {
    background-color: rgba(239, 68, 68, 0.15);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.tag-tec-lecture {
    background-color: #e8f0fe;
    color: #1a73e8;
}

/* ====== Toolbar Tabs ====== */
.toolbar-tabs a {
    position: relative;
    transition: color 0.2s ease, border-color 0.2s ease;
}

.toolbar-tabs a:hover {
    color: #e0e0e0;
}

.toolbar-tabs a.active {
    color: #fff;
    border-bottom: 2px solid #818cf8;
}

/* ====== Filter Count ====== */
.filter-count {
    margin-left: 8px;
    padding: 2px 8px;
    font-size: 0.72rem;
    color: #666;
    background: rgba(255, 255, 255, 0.04);
    border-radius: 4px;
    font-weight: 400;
    letter-spacing: 0.2px;
}

/* ====== Toolbar Controls ====== */
.toolbar-controls {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* ====== Dropdown Wrapper ====== */
.dropdown-wrapper {
    position: relative;
    display: inline-block;
}

/* ====== Dropdown Menu ====== */
.dropdown-menu {
    display: none;
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    min-width: 210px;
    background: #191919;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5),
                0 2px 8px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    padding: 6px 0;
    animation: dropdownSlide 0.18s ease;
}

.dropdown-menu.open {
    display: block;
}

@keyframes dropdownSlide {
    from {
        opacity: 0;
        transform: translateY(-4px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* ====== Dropdown Header ====== */
.dropdown-header {
    padding: 8px 14px 4px;
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: #555;
    user-select: none;
}

/* ====== Dropdown Item (label e button) ====== */
.dropdown-menu .dropdown-item {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 7px 14px;
    font-size: 0.8rem;
    color: #999;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    line-height: 1.4;
    transition: background 0.12s ease, color 0.12s ease;
    font-family: inherit;
}

.dropdown-menu .dropdown-item:hover {
    background: rgba(255, 255, 255, 0.05);
    color: #d4d4d4;
}

/* Sort option active state */
.dropdown-menu button.dropdown-item.active {
    color: #e0e0e0;
    background: rgba(255, 255, 255, 0.04);
}

.dropdown-menu button.dropdown-item.active::before {
    content: '';
    width: 4px;
    height: 4px;
    background: #e0e0e0;
    border-radius: 50%;
    flex-shrink: 0;
    margin-right: -2px;
}

/* ====== Checkbox / Radio Inputs ====== */
.dropdown-item input[type="checkbox"],
.dropdown-item input[type="radio"] {
    -webkit-appearance: none;
    appearance: none;
    width: 14px;
    height: 14px;
    border: 1.5px solid rgba(255, 255, 255, 0.2);
    background: transparent;
    cursor: pointer;
    flex-shrink: 0;
    position: relative;
    transition: border-color 0.15s ease, background 0.15s ease;
}

.dropdown-item input[type="checkbox"] {
    border-radius: 3px;
}

.dropdown-item input[type="radio"] {
    border-radius: 50%;
}

.dropdown-item input[type="checkbox"]:checked,
.dropdown-item input[type="radio"]:checked {
    background: #e0e0e0;
    border-color: #e0e0e0;
}

.dropdown-item input[type="checkbox"]:checked::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 4.5px;
    width: 3px;
    height: 6px;
    border: solid #191919;
    border-width: 0 1.5px 1.5px 0;
    transform: rotate(45deg);
}

.dropdown-item input[type="radio"]:checked::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 6px;
    height: 6px;
    background: #191919;
    border-radius: 50%;
}

.dropdown-item input[type="checkbox"]:indeterminate {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.3);
}

.dropdown-item input[type="checkbox"]:indeterminate::after {
    content: '';
    position: absolute;
    top: 5px;
    left: 2.5px;
    width: 7px;
    height: 1.5px;
    background: #191919;
    border-radius: 1px;
}

.dropdown-item input:hover {
    border-color: rgba(255, 255, 255, 0.35);
}

/* ====== Dropdown Divider ====== */
.dropdown-divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.07);
    margin: 5px 0;
}

/* ====== Clear / Reset Button ====== */
.dropdown-clear {
    display: block;
    width: calc(100% - 20px);
    margin: 6px 10px;
    padding: 6px 10px;
    font-size: 0.75rem;
    font-family: inherit;
    color: #777;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 5px;
    cursor: pointer;
    text-align: center;
    transition: background 0.12s ease, color 0.12s ease, border-color 0.12s ease;
}

.dropdown-clear:hover {
    background: rgba(255, 255, 255, 0.05);
    color: #bbb;
    border-color: rgba(255, 255, 255, 0.15);
}

/* ====== Filter Active Indicator (ponto no botão) ====== */
.btn-text.has-filter {
    color: #d4d4d4;
}

.btn-text.has-filter::after {
    content: '';
    display: inline-block;
    width: 5px;
    height: 5px;
    background: #e0e0e0;
    border-radius: 50%;
    margin-left: 5px;
    vertical-align: middle;
}

/* ====== Animações de filtragem ====== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(6px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.list-item {
    transition: opacity 0.25s ease, transform 0.25s ease;
}

/* Responsividade para a lista no celular */
@media (max-width: 768px) {
    .list-view-main {
        padding: 20px;
    }
    
    .list-toolbar {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
        overflow-x: auto; /* Permite rolar as abas no celular */
    }

    .list-item {
        flex-direction: column;
        gap: 15px;
    }

    .item-meta {
        flex: auto;
        flex-direction: row;
        align-items: center;
    }
}

/* =========================================================
   TOOLBAR ESTILO OPENAI (research index — list view)
   Reskin do .list-toolbar. Mantém a marcação/JS existentes;
   só muda a aparência. Compatível com tema claro e escuro.
   ========================================================= */

/* Título com a fonte do "The Journal of a Physicist" */
.page-title {
    font-family: 'Lora', Georgia, serif;
    font-weight: 600;
    letter-spacing: -0.5px;
}

.list-toolbar {
    flex-wrap: wrap;
    gap: 16px;
    padding-bottom: 20px;
    margin-bottom: 26px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.toolbar-tabs {
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

/* Abas e botões como "pílulas" (aparência OpenAI) */
.toolbar-tabs a,
.btn-text {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 7px 16px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 999px;
    background: transparent;
    color: #a3a3a3;
    font-size: 14px;
    font-weight: 500;
    line-height: 1;
    cursor: pointer;
    text-decoration: none;
    transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.toolbar-tabs a:hover,
.btn-text:hover {
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.45);
}

/* Aba ativa: pílula preenchida */
.toolbar-tabs a.active {
    background: #ffffff;
    border: 1px solid #ffffff;
    color: #000000;
}

.toolbar-controls {
    gap: 10px;
}

/* Indicador de filtro ativo (substitui o pontinho antigo) */
.btn-text.has-filter {
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-text.has-filter::after {
    background: #ffffff;
}

.filter-count {
    margin-left: 4px;
    padding: 0;
    background: transparent;
    color: #6b7280;
    font-size: 0.8rem;
    letter-spacing: 0;
}

.dropdown-menu {
    border-radius: 12px;
}

/* ---------------- TEMA CLARO ---------------- */
body.light-theme .list-toolbar {
    border-bottom-color: rgba(0, 0, 0, 0.1);
}

body.light-theme .toolbar-tabs a,
body.light-theme .btn-text {
    border-color: rgba(0, 0, 0, 0.16);
    color: #555555;
}

body.light-theme .toolbar-tabs a:hover,
body.light-theme .btn-text:hover {
    color: #111111;
    border-color: rgba(0, 0, 0, 0.4);
}

body.light-theme .toolbar-tabs a.active {
    background: #111111;
    border: 1px solid #111111;
    color: #ffffff;
}

body.light-theme .btn-text.has-filter {
    color: #111111;
    border-color: rgba(0, 0, 0, 0.4);
}

body.light-theme .btn-text.has-filter::after {
    background: #111111;
}

body.light-theme .filter-count {
    color: #9ca3af;
}

body.light-theme .dropdown-menu {
    background: #ffffff;
    border-color: rgba(0, 0, 0, 0.1);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12), 0 2px 8px rgba(0, 0, 0, 0.06);
}

body.light-theme .dropdown-header {
    color: #9ca3af;
}

body.light-theme .dropdown-menu .dropdown-item {
    color: #4b5563;
}

body.light-theme .dropdown-menu .dropdown-item:hover {
    background: rgba(0, 0, 0, 0.05);
    color: #111111;
}

body.light-theme .dropdown-menu button.dropdown-item.active {
    color: #111111;
    background: rgba(0, 0, 0, 0.05);
}

body.light-theme .dropdown-menu button.dropdown-item.active::before {
    background: #111111;
}

body.light-theme .dropdown-item input[type="checkbox"],
body.light-theme .dropdown-item input[type="radio"] {
    border-color: rgba(0, 0, 0, 0.25);
}

body.light-theme .dropdown-item input[type="checkbox"]:checked,
body.light-theme .dropdown-item input[type="radio"]:checked {
    background: #111111;
    border-color: #111111;
}

body.light-theme .dropdown-item input[type="checkbox"]:checked::after {
    border-color: #ffffff;
}

body.light-theme .dropdown-item input[type="radio"]:checked::after {
    background: #ffffff;
}

body.light-theme .dropdown-item input[type="checkbox"]:indeterminate {
    background: rgba(0, 0, 0, 0.4);
    border-color: rgba(0, 0, 0, 0.4);
}

body.light-theme .dropdown-item input[type="checkbox"]:indeterminate::after {
    background: #ffffff;
}

body.light-theme .dropdown-divider {
    background: rgba(0, 0, 0, 0.08);
}

body.light-theme .dropdown-clear {
    color: #6b7280;
    border-color: rgba(0, 0, 0, 0.12);
}

body.light-theme .dropdown-clear:hover {
    background: rgba(0, 0, 0, 0.05);
    color: #111111;
    border-color: rgba(0, 0, 0, 0.2);
}

/* Mobile: mantém as pílulas em linha, com quebra natural */
@media (max-width: 768px) {
    .list-toolbar {
        flex-direction: row;
        flex-wrap: wrap;
        align-items: center;
        gap: 12px;
        overflow: visible;
    }
    .toolbar-tabs {
        flex: 1 1 auto;
        overflow-x: auto;
    }
}