/*
==================================================================
===   HOJA DE ESTILOS PARA LA PÁGINA DE POSTULACIÓN DE ROBOTICSLAB  ===
===   Versión 2.0 - Refactorizada por Gemini                      ===
===   Fecha: 09/07/2025                                           ===
==================================================================
*/

/* --- #1: PALETA DE COLORES Y VARIABLES GLOBALES --- */
/* Estas variables unifican el diseño de toda la página. */
:root {
    /* Colores base */
    --bg-dark-main: #0D1117;
    /* Fondo principal (casi negro) */
    --bg-dark-card: #161B22;
    /* Fondo para tarjetas y elementos */
    --border-color: #30363d;
    /* Color para bordes sutiles */

    /* Colores de acento y estado */
    --primary-accent: #58a6ff;
    /* Acento principal (azul brillante) */
    --primary-glow: rgba(88, 166, 255, 0.5);
    /* Resplandor del acento */
    --success-color: #2e9e63;
    /* Verde para 'completado' o 'actual' */
    --pending-color: #f0b429;
    /* Amarillo para 'pendiente' o 'advertencia' */
    --danger-color: #f85149;
    /* Rojo para 'error' o 'peligro' */
    --locked-color: #8b949e;
    /* Gris para 'bloqueado' */

    /* Tipografía */
    --text-primary: #c9d1d9;
    /* Texto principal (blanco suave) */
    --text-secondary: #8b949e;
    /* Texto secundario (gris) */

    /* Fuentes (Asegúrate de importarlas en tu CSS global o HTML) */
    --font-headings: 'Orbitron', 'Poppins', sans-serif;
    --font-body: 'Roboto', sans-serif;

    /* Otros */
    --border-radius: 8px;
    --transition-speed: 0.3s;
}


/* --- #2: LAYOUT GENERAL DE LA PÁGINA --- */
main {
    padding-top: 80px;
    /* Ajusta a la altura de tu nav_bar */
}

.main-content-area {
    padding-top: 50px;
    padding-bottom: 50px;
}

/* El layout de columnas se mantiene, ya que es clave en esta página */
.main-container {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    padding: 0 1rem;
    /* Padding reducido para que el container se ajuste */
    max-width: 1400px;
    margin: 0 auto;
    align-items: flex-start;
}

.content-column {
    flex: 2;
    min-width: 300px;
}

.ladder-column {
    flex: 1;
    min-width: 300px;
    position: sticky;
    top: 100px;
    /* Se alinea con el padding de main */
}

@media (max-width: 992px) {
    .main-container {
        flex-direction: column-reverse;
        /* Pone la escalera arriba en móviles */
    }

    .ladder-column {
        position: static;
        /* Desactiva el 'sticky' en móvil */
    }
}


/* --- #3: SECCIÓN HERO DEL USUARIO --- */
.postulation-hero {
    padding: 80px 0;
    background: linear-gradient(180deg, rgba(13, 17, 23, 0.7) 0%, var(--bg-dark-main) 100%),
        url('https://www.roboticslab.pe/roboticslab/img/academia.jpg') no-repeat center center;
    background-size: cover;
    background-attachment: fixed;
    text-align: center;
    border-bottom: 2px solid var(--primary-accent);
    position: relative;
}

.user-actions {
    position: absolute;
    top: 20px;
    right: 20px;
    display: flex;
    gap: 10px;
}

.profile-picture {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--primary-accent);
    box-shadow: 0 0 15px var(--primary-glow);
    margin-bottom: 20px;
}

.hero-title {
    font-family: var(--font-headings);
    color: #fff;
    font-size: clamp(1.8rem, 4vw, 2.5rem);
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.1rem);
    color: var(--text-primary);
    max-width: 600px;
    margin: 0.5rem auto 0 auto;
}


/* --- #4: TARJETA DE MISIÓN Y FORMULARIO (COLUMNA IZQUIERDA) --- */
.postulation-card {
    background: var(--bg-dark-card);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.glow-hr {
    border: 0;
    height: 1px;
    background-image: linear-gradient(to right, transparent, var(--primary-accent), transparent);
    margin: 2rem 0;
}

.form-title {
    font-family: var(--font-headings);
    color: #fff;
    font-weight: 600;
    font-size: 1.5rem;
}

/* --- VISTA PRE-MISIÓN --- */
.pre-mission-rules {
    border: 1px solid var(--primary-accent);
    border-radius: var(--border-radius);
    padding: 25px;
    margin: 30px 0;
    background-color: rgba(88, 166, 255, 0.05);
}

.pre-mission-rules h4 {
    font-family: var(--font-headings);
    color: var(--primary-accent);
    margin-bottom: 20px;
}

.pre-mission-rules ul {
    list-style: none;
    padding-left: 0;
}

.pre-mission-rules li {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
    font-size: 1.1em;
}

.pre-mission-rules li i {
    color: var(--primary-accent);
    margin-right: 15px;
    font-size: 1.2em;
    width: 25px;
}

/* --- VISTA MISIÓN ACTIVA --- */
.mission-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.mission-status-panel {
    display: flex;
    gap: 20px;
    background-color: rgba(0, 0, 0, 0.2);
    padding: 8px 15px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
}

.mission-timer,
.mission-strikes {
    font-size: 0.9em;
    font-weight: bold;
    color: #c79d20;
}

.mission-timer span {
    color: var(--primary-accent);
}

.mission-strikes span {
    color: var(--pending-color);
}

.mission-subtitle {
    font-family: var(--font-headings);
    color: var(--text-primary);
    font-size: 1.2rem;
}

.mission-list {
    list-style: none;
    padding: 0;
    margin: 20px 0;
}

.mission-list li {
    display: flex;
    align-items: flex-start;
    padding: 15px 0;
    transition: background-color var(--transition-speed), transform var(--transition-speed);
    border-bottom: 1px solid var(--border-color);
}

.mission-list li:hover {
    background-color: rgba(88, 166, 255, 0.05);
    transform: translateX(5px);
}

.mission-icon {
    font-size: 1.5rem;
    color: var(--primary-accent);
    margin-right: 20px;
    width: 30px;
    text-align: center;
    margin-top: 5px;
}

.mission-text strong {
    display: block;
    font-size: 1.1rem;
    color: #fff;
}

.mission-text span {
    font-size: 0.95rem;
    color: var(--text-primary);
    line-height: 1.6;
}

.mission-text .social-links a {
    color: var(--primary-accent);
    font-weight: bold;
    text-decoration: none;
}

.mission-text .social-links a:hover {
    text-decoration: underline;
}

/* --- INPUT DE CARGA DE ARCHIVOS --- */
.custom-file-input-wrapper {
    margin-top: 1.5rem;
}

.input-title {
    font-weight: bold;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    margin-bottom: 0.5rem;
}

.input-title i {
    margin-right: 10px;
    color: var(--primary-accent);
}

.form-instruction {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-size: 0.9em;
}

.input-file-hidden {
    width: 0.1px;
    height: 0.1px;
    opacity: 0;
    overflow: hidden;
    position: absolute;
    z-index: -1;
}

.custom-file-label {
    position: relative;
    display: flex;
    align-items: center;
    width: 100%;
    border: 1px dashed var(--border-color);
    border-radius: var(--border-radius);
    padding: 0;
    margin: 0;
    cursor: pointer;
    transition: all 0.3s ease;
    background-color: rgba(13, 17, 23, 0.5);
    overflow: hidden;
}

.custom-file-label:hover {
    border-color: var(--primary-accent);
    background-color: rgba(88, 166, 255, 0.05);
}

.custom-file-button {
    background-color: var(--primary-accent);
    color: var(--bg-dark-main);
    font-weight: bold;
    padding: 12px 20px;
    white-space: nowrap;
}

.file-name-display {
    padding-left: 15px;
    color: var(--text-secondary);
    font-size: 0.9em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-previews-container {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 1rem;
}

.file-tag {
    background-color: var(--border-color);
    color: var(--text-primary);
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 0.85em;
    display: flex;
    align-items: center;
    gap: 8px;
}

.delete-tag {
    cursor: pointer;
    font-weight: bold;
    font-size: 1.2em;
    line-height: 1;
    transition: color var(--transition-speed);
}

.delete-tag:hover {
    color: var(--danger-color);
}

.retention-policy {
    font-size: 0.8rem;
    color: var(--danger-color);
    margin-top: 1rem;
    opacity: 0.8;
}

.retention-policy i {
    margin-right: 5px;
}

/* --- CAJA DE FEEDBACK --- */
.feedback-box.warning {
    background-color: rgba(240, 180, 41, 0.1);
    border-left: 5px solid var(--pending-color);
    padding: 15px;
    border-radius: var(--border-radius);
    margin-bottom: 2rem;
}

.feedback-box h4 {
    color: var(--pending-color);
    font-size: 1.1rem;
    margin-bottom: 10px;
    font-family: var(--font-headings);
}

.feedback-box p {
    margin: 0;
    color: var(--text-primary);
}


/* --- #5: ESCALERA DE LÍDER (COLUMNA DERECHA) --- */
.level-ladder h4 {
    text-align: center;
    font-family: var(--font-headings);
    color: var(--primary-accent);
    margin-bottom: 35px;
}

.level-item {
    display: flex;
    align-items: center;
    position: relative;
    padding-left: 65px;
    min-height: 50px;
    margin-bottom: 15px;
    transition: all var(--transition-speed);
}

/* Línea conectora ascendente */
.level-item:not(:first-child)::after {
    content: '';
    position: absolute;
    /* Se posiciona en el centro horizontal del ícono */
    left: 27px;
    /* Empieza desde la parte inferior del ícono y baja */
    bottom: -15px;
    /* Valor ajustado al margin-bottom del .level-item */
    width: 2px;
    height: 100%;
    /* La altura que cubre el espacio hasta el siguiente ícono */
    background-color: var(--border-color);
    z-index: 1;
}

/* ⭐ EFECTO EXTRA: La línea se colorea si el nivel inferior está completado */
.level-item.current:not(:first-child)::after,
.level-item.completed-past:not(:first-child)::after {
    background: linear-gradient(to top, var(--success-color), var(--border-color));
}

.level-item.next-level:not(:first-child)::after,
.level-item.pending:not(:first-child)::after {
    background: linear-gradient(to top, var(--primary-accent), var(--border-color));
}

.level-icon {
    position: absolute;
    left: 5px;
    top: 0;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    border: 2px solid;
    background-color: var(--bg-dark-card);
    z-index: 2;
    transition: all var(--transition-speed);
}

.level-info {
    display: flex;
    justify-content: space-between;
    width: 100%;
    align-items: center;
}

.level-name {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.level-status {
    font-size: 0.8rem;
    font-weight: bold;
    padding: 3px 10px;
    border-radius: 15px;
    text-transform: uppercase;
}

/* Estados de la Escalera */
.level-item.completed-past {
    opacity: 0.6;
}

.level-item.completed-past .level-icon {
    border-color: var(--locked-color);
    color: var(--locked-color);
}

.level-item.completed-past .level-status {
    background-color: rgba(139, 148, 158, 0.2);
    color: var(--locked-color);
}

.level-item.completed-past:not(:last-child)::after {
    background-color: var(--success-color);
}

.level-item.current .level-icon {
    border-color: var(--success-color);
    color: var(--success-color);
}

.level-item.current .level-status {
    background-color: rgba(46, 158, 99, 0.15);
    color: var(--success-color);
}

.level-item.current:not(:last-child)::after {
    background-color: var(--success-color);
}

.level-item.next-level .level-icon {
    border-color: var(--primary-accent);
    color: var(--primary-accent);
    box-shadow: 0 0 15px var(--primary-glow);
    animation: pulse-animation 2s infinite;
}

.level-item.next-level .level-status {
    background-color: rgba(88, 166, 255, 0.15);
    color: var(--primary-accent);
}

.level-item.pending .level-icon {
    border-color: var(--pending-color);
    color: var(--pending-color);
    box-shadow: 0 0 15px var(--pending-color);
}

.level-item.pending .level-status {
    background-color: rgba(240, 180, 41, 0.15);
    color: var(--pending-color);
}

.level-item.pending:not(:last-child)::after {
    background-color: var(--success-color);
}

.level-item.locked {
    opacity: 0.5;
}

.level-item.locked .level-icon {
    border-color: var(--locked-color);
    color: var(--locked-color);
}

.level-item.locked .level-status {
    background-color: rgba(139, 148, 158, 0.2);
    color: var(--locked-color);
}

/* --- #6: ANIMACIONES --- */
@keyframes pulse-animation {
    0% {
        box-shadow: 0 0 0 0 rgba(88, 166, 255, 0.7);
    }

    70% {
        box-shadow: 0 0 10px 10px rgba(88, 166, 255, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(88, 166, 255, 0);
    }
}

.level-item.disallowed {
    opacity: 0.4;
    cursor: not-allowed;
    background: linear-gradient(145deg, #2e2e2e, #1a1a1a);
}

.file-previews-container {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.file-tag {
    background-color: #3a4149;
    color: #e0e0e0;
    padding: 5px 10px;
    border-radius: 15px;
    display: flex;
    align-items: center;
    font-size: 0.9em;
    border: 1px solid #555;
}

.file-tag-name {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 150px;
    /* Ajusta el ancho máximo del nombre */
}

.delete-tag {
    margin-left: 8px;
    cursor: pointer;
    font-weight: bold;
    font-size: 1.2em;
    line-height: 1;
    color: #ff6b6b;
}

.delete-tag:hover {
    color: #ff4757;
}