/* Añadir al inicio del archivo CSS */
html {
    scroll-behavior: smooth !important;
}

/* Ajuste para compensar la altura del menú fijo */
#main, #RA\&CE, #contact {
    scroll-margin-top: 50px !important;
}

/* Particles */
#particles-js {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  z-index: 0;
  background-color: #000;
}

#main {
  margin-left: 72px;
  position: relative;
  background-color: rgba(0, 0, 0, 0.7);
  min-height: 100vh;
  z-index: 1;
  padding: 15px;
}

/* Estilos base para RA&CE */
.ra-container {
  max-width: 1200px;
  margin: 2rem auto;
}

/* Estilos para las tarjetas RA */
.ra-card {
  background-color: rgba(0, 0, 0, 0.9) !important;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  margin-bottom: 1.5rem;
  overflow: hidden;
  transition: transform 0.2s ease;
}

.ra-card:hover {
  transform: translateX(5px);
}

.ra-header {
  padding: 1rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background-color 0.3s;
  background-color: rgba(33, 33, 33, 0.95) !important;
}

.ra-header:hover {
  background-color: rgba(51, 51, 51, 0.95) !important;
}

.ra-header i {
  transition: transform 0.3s;
}

.ra-header.active i {
  transform: rotate(180deg);
}

/* Reset y estilos base para las tablas */
.w3-table-all {
  background-color: #121212 !important;
  color: #ffffff !important;
  border: 1px solid #333 !important;
  border-collapse: collapse;
  width: 100%;
  margin: 1rem 0;
}

/* Cabecera de la tabla */
.w3-table-all thead tr.w3-blue {
  background-color: #1565C0 !important;
  color: white !important;
  font-weight: bold;
  border-bottom: 2px solid #0D47A1;
}

.w3-table-all thead th {
  padding: 12px 8px;
  text-align: left;
}

/* Cuerpo de la tabla */
.w3-table-all tbody tr {
  border-bottom: 1px solid #333;
  background-color: #1E1E1E !important;
}

.w3-table-all tbody tr:nth-child(odd) {
  background-color: #262626 !important;
}

.w3-table-all tbody tr:hover {
  background-color: #323232 !important;
}

.w3-table-all td {
  padding: 12px 8px;
}

/* Selects dentro de las tablas */
.w3-table-all .ce-status {
  width: 100%;
  background-color: #323232 !important;
  color: white !important;
  border: 1px solid #444;
  padding: 8px;
  border-radius: 4px;
}

.w3-table-all .ce-status:hover {
  border-color: #1976D2;
}

.w3-table-all .ce-status:focus {
  border-color: #1976D2;
  outline: none;
  box-shadow: 0 0 0 2px rgba(25, 118, 210, 0.2);
}

/* Estilos para el progreso */
.progress-summary {
  background-color: rgba(0,0,0,0.8);
  margin-bottom: 2rem;
  padding: 1rem;
  border-radius: 8px;
}

.progress-summary .w3-container {
  min-height: 24px;
  transition: width 0.5s ease;
  background: #74C0FC;
  border-radius: 4px;
}

/* Criterios FFE */
.ffe-criteria {
  background-color: rgba(255, 193, 7, 0.15) !important;
}

.ffe-criteria td:first-child {
  position: relative;
}

.ffe-criteria .fa-building {
  margin-left: 0.5rem;
  color: #ffc107;
}

/* Responsive */
@media (max-width: 600px) {
  .ra-header h3 {
    font-size: 1rem;
  }
  
  .w3-table-all {
    font-size: 0.9rem;
  }
  
  .w3-tag {
    font-size: 0.8rem;
  }
  
  .ra-filters {
    flex-direction: column;
  }
}

/* Restaurar el fondo oscuro del menú lateral */
.w3-bar-block {
  background-color: #000 !important;
}

/* Asegurar que el fondo principal es oscuro */
body {
  background-color: #000;
}

/* Asegurar que el contenido está por encima de particles */
#main, .w3-bar-block {
  position: relative;
  z-index: 1;
}

/* Asegurar que el contenido de los RA es visible */
.ra-content {
  background-color: rgba(25, 25, 25, 0.95) !important;
  padding: 1rem;
}

/* Estilos para la búsqueda */
.highlight {
  background-color: rgba(255, 193, 7, 0.3);
  padding: 2px 4px;
  border-radius: 3px;
}

.match-count {
  margin-left: 1rem;
  font-size: 0.8em;
}

.search-results {
  background-color: rgba(25, 118, 210, 0.1);
  color: #fff;
  margin-top: 0.5rem;
  font-size: 0.9em;
}

/* Ajuste para el contenedor de búsqueda */
#searchCriteria {
  margin-bottom: 0.5rem;
}

.sidenav {
  width: 120px;
  z-index: 2;
  position: fixed;
  height: 100vh;
  background-color: #000 !important;
}

@media screen and (max-width: 992px) {
    .sidenav {
        transform: translateX(-120px);
        transition: transform 0.3s;
    }

    .sidenav.show {
        transform: translateX(0);
    }

    #main {
        margin-left: 0;
        width: 100%;
    }
}

/* Estilos para los botones de estado */
.ce-status-btn {
    width: 100%;
    padding: 8px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: rgba(255,255,255,0.1);
    transition: all 0.3s ease;
}

.ce-status-btn i {
    font-size: 1.2em;
}

/* Estados del semáforo */
.ce-status-btn[data-status="pending"] {
    color: #ff4444;
}

.ce-status-btn[data-status="in-progress"] {
    color: #ffbb33;
}

.ce-status-btn[data-status="completed"] {
    color: #00C851;
}

/* Barra de progreso global */
#globalProgress {
    transition: width 0.3s ease;
}

/* Sidebar con máxima especificidad */
body .w3-sidebar.w3-bar-block {
    width: 72px !important;
    position: fixed !important;
    height: 100vh !important;
    background-color: rgba(0, 0, 0, 0.5) !important;
    z-index: 1000 !important;
    backdrop-filter: blur(3px) !important;
}

/* Enlaces del menú con máxima especificidad */
body .w3-sidebar.w3-bar-block a.w3-bar-item {
    padding: 12px 4px !important;
    font-size: 0.95em !important;
    text-align: center !important;
    transition: background-color 0.3s !important;
    display: block !important;
    background-color: transparent !important;
}

/* Iconos específicamente */
body .w3-sidebar.w3-bar-block a.w3-bar-item i {
    font-size: 2em !important;
    margin-bottom: 6px !important;
    display: block !important;
    width: 100% !important;
}

/* Texto del menú específicamente */
body .w3-sidebar.w3-bar-block a.w3-bar-item span {
    display: block !important;
    width: 100% !important;
    font-size: 1em !important;
    line-height: 1.2 !important;
}

/* Hover con máxima especificidad */
body .w3-sidebar.w3-bar-block a.w3-bar-item:hover {
    background-color: rgba(255, 255, 255, 0.1) !important;
}

/* Enlace al repositorio en GitHub (cabecera del sidebar) */
.sidebar-github {
    display: inline-block;
    padding: 8px;
    margin: 4px 0;
    line-height: 0;
    transition: transform 0.3s ease, filter 0.3s ease;
}

.sidebar-github:hover,
.sidebar-github:focus-visible {
    transform: scale(1.15) rotate(-5deg);
    filter: drop-shadow(0 0 10px rgba(137, 87, 229, 0.6));
    outline: none;
}

/* Contenido principal */
body #main {
    margin-left: 72px !important;
    padding: 15px !important;
    position: relative !important;
    z-index: 1 !important;
}

@media screen and (max-width: 992px) {
    body #main {
        margin-left: 0 !important;
    }
}

/* Estilos para el menú móvil con máxima especificidad */
body #myNavbar {
    background-color: rgba(0, 0, 0, 0.9) !important;
    backdrop-filter: blur(3px);
}

body #myNavbar .w3-bar {
    background-color: transparent !important;
}

body #myNavbar .w3-bar-item {
    color: white !important;
    padding: 12px 4px !important;
    font-size: 0.9em !important;
    background-color: transparent !important;
    opacity: 1 !important;
    text-decoration: none !important;
}

body #myNavbar .w3-bar-item i {
    display: block !important;
    font-size: 1.5em !important;
    margin-bottom: 4px !important;
    color: white !important;
}

body #myNavbar .w3-bar-item span {
    display: block !important;
    font-size: 0.8em !important;
    color: white !important;
    opacity: 1 !important;
}

/* Hover state */
body #myNavbar .w3-bar-item:hover {
    background-color: rgba(255, 255, 255, 0.1) !important;
}

/* Eliminar cualquier clase de opacidad que pueda estar interfiriendo */
.w3-opacity, .w3-hover-opacity {
    opacity: 1 !important;
}

/* Asegurar que el menú móvil está por encima de todo */
.w3-top.w3-hide-large.w3-hide-medium {
    z-index: 9999 !important;
    position: fixed !important;
}

#myNavbar {
    z-index: 9999 !important;
    position: relative !important;
    background-color: rgba(0, 0, 0, 0.9) !important;
}

#myNavbar .w3-bar {
    position: relative !important;
    z-index: 10000 !important;
}

/* Asegurar que los enlaces son clickeables */
#myNavbar .w3-bar-item {
    position: relative !important;
    z-index: 10000 !important;
    pointer-events: auto !important;
}

/* Asegurar que particles.js no interfiere */
#particles-js {
    pointer-events: none !important;
    z-index: 0 !important;
}

/* Contenido principal */
#main {
    position: relative !important;
    z-index: 1 !important;
}

/* Ajustes de espaciado para móviles con máxima especificidad */
@media screen and (max-width: 768px) {
    /* Contenedor principal */
    body .w3-container #searchCriteria {
        display: flex !important;
        flex-direction: column !important;
        gap: 10px !important;
        margin-bottom: 15px !important;
        width: 100% !important;
    }

    /* Input de búsqueda */
    body .w3-container #searchInput {
        width: 100% !important;
        margin-bottom: 10px !important;
        padding: 8px !important;
    }

    /* Selector de RA */
    body .w3-container #raFilter {
        width: 100% !important;
        margin-bottom: 20px !important;
        padding: 8px !important;
    }

    /* Panel del profesor */
    body .w3-container #teacherPanel {
        display: flex !important;
        flex-direction: column !important;
        gap: 10px !important;
        padding: 10px !important;
        width: 100% !important;
    }

    /* Botones en el panel */
    body .w3-container #teacherPanel .w3-button {
        width: 100% !important;
        margin: 5px 0 !important;
        padding: 10px !important;
    }

    /* Mantener el color rojo del botón reset */
    body .w3-container #teacherPanel .w3-button[onclick*="resetEstados"] {
        background-color: #f44336 !important;
    }
}

/* Botón scroll to top */
.scroll-to-top {
    position: fixed;
    bottom: 24px;
    left: 88px;
    background-color: #ffffff;
    color: #1565C0;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: none;
    display: none;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
    z-index: 99;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
    -webkit-font-smoothing: antialiased;
}

.scroll-to-top:hover {
    color: #0d47a1;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.5);
}

.scroll-to-top i {
    font-size: 1.05rem;
}

.scroll-to-top.visible {
    display: flex;
}

/* En móvil el sidebar está oculto (w3-hide-small), reposicionamos el botón al borde. */
@media screen and (max-width: 600px) {
    .scroll-to-top {
        left: 24px;
    }
}

/* Estilos para panel de búsqueda y control */
@media screen and (max-width: 768px) {
    /* Panel de búsqueda */
    .w3-row-padding .w3-half {
        width: 100% !important;
        margin-bottom: 10px !important;
    }

    /* Input y select */
    #searchCE,
    #raFilter {
        width: 100% !important;
        margin: 5px 0 !important;
    }

    /* Panel del profesor */
    .admin-panel {
        padding: 15px !important;
    }

    .admin-panel h4 {
        margin-bottom: 15px !important;
    }

    /* Contenedor de botones */
    .admin-panel .w3-button {
        display: block !important;
        width: 100% !important;
        margin: 8px 0 !important;
        padding: 8px 16px !important;
    }

    /* Barra de progreso */
    .progress-summary {
        margin-top: 20px !important;
    }

    /* Ajuste de márgenes generales */
    .w3-row-padding {
        margin: 0 !important;
        padding: 0 10px !important;
    }

    .w3-container {
        padding: 0 !important;
    }
}

/* Centrado de la sección de contacto */
#contact {
    text-align: center !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
}

#contact > * {
    margin-left: auto !important;
    margin-right: auto !important;
}

/* Estilos del footer */
footer .tech-stack {
    display: inline-flex;
    gap: 15px;
    margin-top: 10px;
    align-items: center;
    justify-content: center;
}

footer .tech-stack i {
    font-size: 1.5em;
    transition: transform 0.3s ease;
}

footer .tech-stack i:hover {
    transform: scale(1.2);
}

footer .tech-stack .claude-mark svg {
    width: 1.5em;
    height: 1.5em;
    vertical-align: middle;
    transition: transform 0.3s ease;
}
footer .tech-stack .claude-mark:hover svg {
    transform: scale(1.2) rotate(22.5deg);
}

footer a {
    text-decoration: none;
}

/* Estilo para iconos pequeños en SweetAlert2 */
.small-icon {
    font-size: 2em !important;
    width: 2em !important;
    height: 2em !important;
    margin: 0.5em auto 1em !important;
}

/* Espaciado para botones en móvil */
@media screen and (max-width: 768px) {
    .expand-collapse-buttons .w3-button {
        margin: 5px !important;
        display: inline-block !important;
        width: calc(50% - 10px) !important;
    }
}

/* Clase para elementos visualmente ocultos pero accesibles para lectores de pantalla */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    border: 0;
}

/* Mejorar el contraste de los botones en hover */
.w3-button:hover {
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

/* Asegurar que los enlaces son claramente distinguibles */
a:focus {
    outline: 2px solid #2196F3;
    outline-offset: 2px;
}

/* Mejorar la visibilidad del foco en elementos interactivos */
button:focus,
input:focus,
select:focus {
    outline: 2px solid #2196F3;
    outline-offset: 2px;
    box-shadow: 0 0 5px rgba(33, 150, 243, 0.5);
}

/* ---------- Modos: landing vs módulo activo ---------- */
/* Por defecto (sin data-mode) ocultamos lo de módulo para evitar parpadeo. */
[data-show="module"] { display: none; }
[data-show="landing"] { display: block; }
body[data-mode="module"] [data-show="module"] { display: block; }
body[data-mode="module"] [data-show="landing"] { display: none; }
body[data-mode="landing"] [data-show="module"] { display: none; }
body[data-mode="landing"] [data-show="landing"] { display: block; }

/* Hero de portada */
.landing-hero {
    padding: 1rem 0 2rem;
}
.landing-logo {
    display: inline-block;
    width: 180px;
    height: auto;
    margin-bottom: 1rem;
    filter: drop-shadow(0 4px 12px rgba(33, 150, 243, 0.4));
}
.landing-hero h1 {
    margin: 0.25em 0;
    letter-spacing: 0.08em;
    color: #fff;
}
.landing-hero h3 {
    margin-bottom: 1.5rem;
    font-weight: normal;
}
.landing-lead {
    max-width: 640px;
    margin: 0 auto 2rem;
    font-size: 1.05rem;
    line-height: 1.6;
    color: #cfd8dc;
}
.landing-lead a {
    color: #2196F3;
    text-decoration: underline;
}

/* Aviso de proyecto en construcción / hackathon */
.landing-warning {
    max-width: 720px;
    margin: 1.5rem auto 0;
    padding: 1rem 1.25rem;
    background: rgba(255, 193, 7, 0.08);
    border: 1px solid rgba(255, 193, 7, 0.4);
    border-left: 4px solid #ffc107;
    border-radius: 8px;
    color: #ffe082;
    text-align: left;
}
.landing-warning p {
    margin: 0.25em 0;
    line-height: 1.5;
}
.landing-warning .fa {
    color: #ffc107;
    margin-right: 0.4em;
}
.landing-warning a {
    color: #ffe082;
    text-decoration: underline;
}
.landing-warning strong {
    color: #fff;
}

/* Selector de módulo: más prominente en landing */
body[data-mode="landing"] #moduleSelector {
    max-width: 520px;
    margin: 0 auto;
    font-size: 1.1rem;
    padding: 0.7rem 1rem;
}

/* Hero de módulo activo */
.module-hero h1 {
    margin: 0.25em 0;
}
.module-hero img {
    max-width: 100%;
    height: auto;
    margin-top: 1rem;
}

/* ---------- Chatbot ---------- */
.chat-fab {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: none;
    background: linear-gradient(135deg, #2196F3 0%, #1565C0 100%);
    color: #fff;
    font-size: 1.6rem;
    cursor: pointer;
    box-shadow: 0 6px 20px rgba(33, 150, 243, 0.5);
    z-index: 100;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.chat-fab:hover {
    transform: scale(1.08);
    box-shadow: 0 8px 26px rgba(33, 150, 243, 0.7);
}

.chat-panel {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: min(420px, calc(100vw - 32px));
    height: min(640px, calc(100vh - 48px));
    background: #1f1f1f;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    display: none;
    flex-direction: column;
    overflow: hidden;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.6);
    z-index: 110;
}
.chat-panel.open { display: flex; }

.chat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    background: linear-gradient(90deg, #1565C0 0%, #2196F3 100%);
    color: #fff;
    flex-shrink: 0;
    gap: 0.5rem;
}
.chat-heading {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
}
.chat-header-actions {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}
.chat-role-tag {
    font-size: 0.75rem;
    padding: 0.15rem 0.5rem;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 999px;
    color: #fff;
}
.chat-icon-btn {
    background: transparent;
    border: none;
    color: #fff;
    font-size: 0.95rem;
    cursor: pointer;
    padding: 0.3rem 0.5rem;
    border-radius: 4px;
    opacity: 0.85;
}
.chat-icon-btn:hover {
    background: rgba(255, 255, 255, 0.15);
    opacity: 1;
}

.chat-role-picker {
    padding: 1.5rem 1rem;
    text-align: center;
    flex: 1;
    overflow-y: auto;
}
.chat-role-prompt {
    font-size: 1.1rem;
    color: #cfd8dc;
    margin-bottom: 1rem;
}
.chat-role-btn {
    display: block;
    width: 100%;
    margin: 0.4rem auto;
    max-width: 260px;
    padding: 0.8rem 1rem;
    background: #2d2d2d;
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #fff;
    border-radius: 8px;
    font-size: 1rem;
    cursor: pointer;
    transition: background 0.15s ease, border-color 0.15s ease;
}
.chat-role-btn:hover {
    background: #3a3a3a;
    border-color: #2196F3;
}
.chat-role-btn .fa {
    margin-right: 0.6rem;
    color: #2196F3;
}
.chat-role-note {
    margin-top: 1rem;
    color: #888;
}

.chat-body {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
}
.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}
.chat-intro {
    color: #aaa;
    font-style: italic;
    text-align: center;
    padding: 1rem;
}
.chat-msg {
    max-width: 85%;
    padding: 0.6rem 0.85rem;
    border-radius: 12px;
    line-height: 1.45;
    white-space: pre-wrap;
    word-wrap: break-word;
}
.chat-msg-user {
    align-self: flex-end;
    background: #2196F3;
    color: #fff;
    border-bottom-right-radius: 4px;
}
.chat-msg-assistant {
    align-self: flex-start;
    background: #2d2d2d;
    color: #e0e0e0;
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-bottom-left-radius: 4px;
}
.chat-msg-assistant h2,
.chat-msg-assistant h3,
.chat-msg-assistant h4 {
    margin: 0.5em 0 0.3em;
    color: #fff;
    font-weight: 600;
}
.chat-msg-assistant h2 { font-size: 1.05rem; }
.chat-msg-assistant h3 { font-size: 1rem; }
.chat-msg-assistant h4 { font-size: 0.95rem; color: #cfd8dc; }
.chat-msg-assistant strong { color: #fff; }
.chat-msg-assistant em { color: #cfd8dc; }
.chat-msg-assistant ul,
.chat-msg-assistant ol {
    margin: 0.4em 0;
    padding-left: 1.4em;
}
.chat-msg-assistant li { margin: 0.15em 0; }
.chat-msg-assistant code {
    background: rgba(33, 150, 243, 0.15);
    color: #90caf9;
    padding: 0.1em 0.35em;
    border-radius: 3px;
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 0.9em;
}
.chat-msg-assistant pre {
    background: #0e0e0e;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 6px;
    padding: 0.6em 0.8em;
    margin: 0.5em 0;
    overflow-x: auto;
    white-space: pre;
}
.chat-msg-assistant pre code {
    background: transparent;
    color: #e0e0e0;
    padding: 0;
    font-size: 0.85em;
}
.chat-msg.streaming::after {
    content: '▎';
    animation: blink 1s infinite;
    color: #2196F3;
    margin-left: 2px;
}
@keyframes blink { 50% { opacity: 0; } }
.chat-msg.error {
    background: #4a1a1a;
    border-color: #d33;
    color: #ffaaaa;
}

.chat-input-row {
    display: flex;
    align-items: flex-end;
    padding: 0.6rem;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    gap: 0.5rem;
    flex-shrink: 0;
}
.chat-input-row textarea {
    flex: 1;
    resize: none;
    background: #2d2d2d;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 0.5rem 0.7rem;
    font-family: inherit;
    font-size: 0.95rem;
}
.chat-send-btn {
    background: #2196F3;
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 0.5rem 0.85rem;
    cursor: pointer;
    font-size: 1rem;
}
.chat-send-btn:disabled {
    background: #555;
    cursor: not-allowed;
}
.chat-disclaimer {
    color: #666;
    text-align: center;
    padding: 0.3rem 0.6rem 0.6rem;
    margin: 0;
    flex-shrink: 0;
}