/* ============================================================
   Trabajos Congreso UAPA – Frontend Styles
   Paleta: Azul #041147 · Naranja #ff8300
   Sin Bootstrap — 100% clases personalizadas tc-*
   ============================================================ */

/* ── Reset mínimo ── */
.tc-congreso-wrapper *,
.tc-congreso-wrapper *::before,
.tc-congreso-wrapper *::after {
    box-sizing: border-box;
}

.tc-congreso-wrapper {
    --tc-font:        -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

    /* Paleta principal */
    --tc-azul:        #041147;
    --tc-azul-medio:  #0d2270;
    --tc-azul-claro:  #e8edf7;
    --tc-naranja:     #ff8300;
    --tc-naranja-bg:  #fff4e6;
    --tc-naranja-borde: #ffc166;

    /* Neutros */
    --tc-gris-1:      #f8f9fc;
    --tc-gris-2:      #e9ecf3;
    --tc-gris-3:      #c5cde0;
    --tc-gris-texto:  #64748b;
    --tc-texto:       #0f172a;

    /* Sombras */
    --tc-sombra-card: 0 2px 12px rgba(4, 17, 71, 0.08);
    --tc-sombra-hover: 0 8px 28px rgba(4, 17, 71, 0.14);

    font-family: var(--tc-font);
    color: var(--tc-texto);
    line-height: 1.55;
}

/* ============================================================
   BARRA DE HERRAMIENTAS (contador + botón filtrar)
   ============================================================ */
.tc-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 24px;
}

.tc-toolbar-info {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.tc-contador {
    font-size: 16px;
    color: var(--tc-gris-texto);
    margin: 0;
}

.tc-contador strong {
    color: var(--tc-azul);
    font-weight: 700;
}

.tc-filtro-activo-label {
    font-size: 12.5px;
    color: var(--tc-naranja);
    font-weight: 600;
    display: none;
}

.tc-filtro-activo-label.tc-visible {
    display: block;
}

/* ── Botón "Filtrar" ── */
.tc-btn-filtrar {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 22px;
    background: var(--tc-azul);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-family: var(--tc-font);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    letter-spacing: 0.3px;
    transition: background 0.22s, transform 0.1s, box-shadow 0.22s;
    box-shadow: 0 2px 8px rgba(4,17,71,0.25);
    white-space: nowrap;
}

.tc-btn-filtrar:hover {
    background: var(--tc-azul-medio);
    box-shadow: 0 4px 14px rgba(4,17,71,0.3);
}

.tc-btn-filtrar:active {
    transform: scale(0.97);
}

.tc-btn-filtrar--activo {
    background: var(--tc-naranja);
    box-shadow: 0 2px 8px rgba(255,131,0,0.35);
}

.tc-btn-filtrar--activo:hover {
    background: #e67500;
    box-shadow: 0 4px 14px rgba(255,131,0,0.4);
}

.tc-btn-filtrar svg {
    width: 16px;
    height: 16px;
    fill: currentColor;
    flex-shrink: 0;
}

/* ============================================================
   MODAL OVERLAY
   ============================================================ */
.tc-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(4, 17, 71, 0.55);
    backdrop-filter: blur(3px);
    z-index: 99990;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, visibility 0.25s ease;
}

.tc-modal-overlay.tc-modal-abierto {
    opacity: 1;
    visibility: visible;
}

/* ── Modal caja ── */
.tc-modal {
    background: #fff;
    border-radius: 14px;
    width: 100%;
    max-width: 715px;
    box-shadow: 0 20px 60px rgba(4,17,71,0.3);
    transform: translateY(18px) scale(0.97);
    transition: transform 0.28s cubic-bezier(0.34, 1.56, 0.64, 1);
    overflow: hidden;
}

.tc-modal-overlay.tc-modal-abierto .tc-modal {
    transform: translateY(0) scale(1);
}

/* ── Modal header ── */
.tc-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px 18px;
    background: var(--tc-azul);
    color: #fff;
}

.tc-modal-titulo {
    font-size: 17px;
    font-weight: 700;
    margin: 0;
    letter-spacing: 0.2px;
    color: #fff;
}

.tc-modal-cerrar {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    border: 1.5px solid rgba(255,255,255,0.35);
    background: transparent;
    color: #fff;
    font-size: 18px;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.18s;
    flex-shrink: 0;
}

.tc-modal-cerrar:hover {
    background: rgba(255,255,255,0.18);
}

/* ── Modal body ── */
.tc-modal-body {
    padding: 10px 0 16px;
    max-height: 60vh;
    overflow-y: auto;
}

/* Scrollbar sutil */
.tc-modal-body::-webkit-scrollbar { width: 4px; }
.tc-modal-body::-webkit-scrollbar-track { background: transparent; }
.tc-modal-body::-webkit-scrollbar-thumb { background: var(--tc-gris-3); border-radius: 4px; }

/* ── Lista de ejes ── */
.tc-modal-ejes {
    list-style: none;
    margin: 0;
    padding: 0;
}

.tc-modal-ejes li {
    padding: 0;
}

.tc-modal-eje-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    padding: 14px 24px;
    background: transparent;
    border: none;
    font-family: var(--tc-font);
    font-size: 16px;
    color: var(--tc-texto);
    cursor: pointer;
    text-align: left;
    transition: background 0.16s;
    border-left: 3px solid transparent;
}

.tc-modal-eje-btn:hover {
    background: var(--tc-gris-1);
    border-left-color: var(--tc-naranja);
    color: var(--tc-azul);
}

.tc-modal-eje-btn--activo {
    background: var(--tc-naranja-bg);
    border-left-color: var(--tc-naranja);
    color: var(--tc-azul);
    font-weight: 700;
}

.tc-modal-eje-dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--tc-gris-3);
    flex-shrink: 0;
    transition: background 0.16s;
}

.tc-modal-eje-btn--activo .tc-modal-eje-dot {
    background: var(--tc-naranja);
}

.tc-modal-eje-btn:hover .tc-modal-eje-dot {
    background: var(--tc-naranja);
}

.tc-modal-eje-slug {
    margin-left: auto;
    font-size: 10.5px;
    color: var(--tc-gris-3);
    font-family: monospace;
    letter-spacing: 0.3px;
    flex-shrink: 0;
}

.tc-modal-divisor {
    height: 1px;
    background: var(--tc-gris-2);
    margin: 6px 24px;
}

/* ============================================================
   GRID — UNA SOLA COLUMNA COMPLETA
   ============================================================ */
.tc-grid {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

/* ============================================================
   CARD — DISEÑO HORIZONTAL FULL-WIDTH
   ============================================================ */
.tc-card {
    background: #fff;
    border-radius: 12px;
    box-shadow: var(--tc-sombra-card);
    overflow: hidden;
    border-left: 5px solid var(--tc-azul);
    display: grid;
    grid-template-columns: 1fr auto;
    grid-template-rows: auto 1fr auto;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    animation: tc-fadein 0.32s ease both;
}

@keyframes tc-fadein {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
}

.tc-card:hover {
    transform: translateX(3px);
    box-shadow: var(--tc-sombra-hover);
}

/* Todas las cards usan el mismo borde azul —
   el badge diferencia visualmente el eje */

/* ── Área del Título de la Ponencia (fondo azul #041147) ── */
.tc-card-titulo-area {
    grid-column: 1 / -1;
    padding: 20px 24px 18px;
    background: var(--tc-azul);
    border-bottom: 3px solid var(--tc-naranja);
}

.tc-titulo {
    font-size: 18px;
    font-weight: 700;
    color: #ffffff;
    line-height: 1.45;
    margin: 0;
    word-break: break-word;
}

/* ── Fila: Línea temática (texto azul plano) + Fecha ── */
.tc-card-eje-fecha {
    grid-column: 1 / -1;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
    padding: 10px 24px 10px;
    background: #fff;
    border-bottom: 1px solid var(--tc-gris-2);
}

/* Lista de ejes (uno o varios) */
.tc-eje-lista {
    display: flex;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 4px 6px;
    flex: 1;
    min-width: 0;
}

.tc-eje-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--tc-azul);
    flex-shrink: 0;
}

/* Cada eje individual — texto plano azul, sin colores extra */
.tc-eje-item {
    font-size: 14px;
    color: var(--tc-azul);
    font-weight: 400;
    line-height: 1.4;
}

/* Separador visual entre múltiples ejes */
.tc-eje-item + .tc-eje-item::before {
    content: '·';
    margin-right: 6px;
    color: var(--tc-gris-3);
    font-weight: 700;
}

/* ── Fecha ── */
.tc-fecha {
    font-size: 13px;
    color: var(--tc-gris-texto);
    white-space: nowrap;
    flex-shrink: 0;
    font-weight: 500;
    padding-top: 1px;
}

/* ── Card body ── */
.tc-card-body {
    grid-column: 1 / -1;
    padding: 18px 24px 20px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

/* .tc-titulo ya no se usa en cards — el título está en .tc-badge */

.tc-divisor {
    height: 1px;
    background: var(--tc-gris-2);
}

/* ── Meta grid (3 columnas) ── */
.tc-meta {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px 20px;
}

@media (max-width: 700px) {
    .tc-meta {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 480px) {
    .tc-meta {
        grid-template-columns: 1fr;
    }
}

.tc-meta-item {
    display: flex;
    align-items: flex-start;
    gap: 9px;
    min-width: 0;
}

.tc-meta-icon {
    width: 15px;
    height: 15px;
    flex-shrink: 0;
    margin-top: 3px;
    color: var(--tc-naranja);
}

.tc-meta-icon svg {
    width: 100%;
    height: 100%;
    fill: currentColor;
}

.tc-meta-text {
    display: flex;
    flex-direction: column;
    gap: 1px;
    min-width: 0;
}

.tc-meta-label {
    font-size: 9.5px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.9px;
    color: var(--tc-gris-texto);
    line-height: 1.3;
}

.tc-meta-value {
    font-size: 16px;
    color: var(--tc-texto);
    line-height: 1.4;
    word-break: break-word;
    font-weight: 500;
}

/* ── Card footer (co-autores) ── */
.tc-card-footer {
    grid-column: 1 / -1;
    padding: 11px 20px 14px;
    background: var(--tc-gris-1);
    border-top: 1px solid var(--tc-gris-2);
}

.tc-otros-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--tc-azul);
    margin-bottom: 4px;
}

.tc-otros-label svg {
    width: 13px;
    height: 13px;
    fill: currentColor;
    flex-shrink: 0;
}

.tc-otros-valor {
    font-size: 16px;
    color: #475569;
    margin: 0;
    line-height: 1.5;
    word-break: break-word;
}

/* ============================================================
   ESTADOS
   ============================================================ */
.tc-card--oculto {
    display: none !important;
}

.tc-sin-resultados {
    text-align: center;
    padding: 70px 20px;
    color: var(--tc-gris-texto);
}

.tc-sin-resultados span {
    font-size: 44px;
    display: block;
    margin-bottom: 12px;
}

.tc-sin-resultados p {
    font-size: 16px;
    margin: 0;
}

.tc-empty-state {
    text-align: center;
    padding: 80px 20px;
    color: var(--tc-gris-texto);
}

.tc-empty-icon { font-size: 56px; margin-bottom: 14px; }
.tc-empty-state p { font-size: 16px; margin: 0; }

/* ── Animación entrada al filtrar ── */
.tc-card--animando-entrada {
    animation: tc-fadein 0.3s ease both;
}