/* ========================== */
/* Estilos para Apuntes */
/* ========================== */

/* Container principal */
.apuntes-container {
    max-width: 1000px;
    margin: 2rem auto;
    padding: 0 1rem;
}

/* Header con título y botón */
.apuntes-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.apuntes-career-title {
    font-size: 2.25rem;
    font-weight: 300;
    color: #ffffff;
    margin: 0;
    letter-spacing: -0.03em;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* Controles de ordenamiento */
.sort-controls {
    background-color: rgba(255, 255, 255, 0.1);
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    margin-bottom: 2rem;
    text-align: center;
}

.sort-link {
    color: #ffffff;
    text-decoration: none;
    padding: 0.5rem 1rem;
    transition: color 0.3s;
}

.sort-link:hover {
    color: #ffd700;
}

.sort-link.active {
    color: #ffd700;
    font-weight: bold;
}

/* Lista de apuntes */
.apuntes-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* Card de apunte */
.apunte-card {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s, box-shadow 0.2s;
}

.apunte-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
}

.apunte-header-card {
    margin-bottom: 1rem;
}

.apunte-title {
    margin: 0 0 0.5rem 0;
    font-size: 1.5rem;
    color: #ffffff;
}

.apunte-subject {
    display: inline-block;
    background-color: rgba(255, 215, 0, 0.2);
    color: #ffd700;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

.apunte-description {
    color: #ffffff;
    margin: 1rem 0;
    line-height: 1.6;
    white-space: pre-wrap;
}

/* Links y botones de descarga */
.apunte-links {
    display: flex;
    gap: 1rem;
    margin: 1rem 0;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, #ffd700, #ff8c00);
    color: #560D47;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #ff8c00, #ffd700);
    transform: scale(1.05);
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.2);
    color: #ffffff;
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.3);
}

.btn-download {
    background-color: rgba(76, 175, 80, 0.8);
    color: white;
}

.btn-download:hover {
    background-color: rgba(76, 175, 80, 1);
}

.btn-external {
    background-color: rgba(33, 150, 243, 0.8);
    color: white;
}

.btn-external:hover {
    background-color: rgba(33, 150, 243, 1);
}

/* Footer del apunte */
.apunte-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    flex-wrap: wrap;
    gap: 0.5rem;
}

.apunte-date {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

/* Botón de agradecimientos */
.btn-thanks {
    background-color: rgba(255, 255, 255, 0.2);
    color: #ffffff;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
}

.btn-thanks:hover {
    background-color: rgba(255, 215, 0, 0.3);
    border-color: #ffd700;
}

.btn-thanks.thanked {
    background-color: rgba(255, 215, 0, 0.3);
    border-color: #ffd700;
    color: #ffd700;
}

.thanks-display {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    margin-top: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.empty-state-icon {
    margin: 0 auto 1.5rem;
    color: rgba(255, 255, 255, 0.5);
    opacity: 0.7;
}

.empty-state-icon svg {
    width: 64px;
    height: 64px;
}

.empty-state-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #ffffff;
    margin: 0 0 0.75rem 0;
    letter-spacing: -0.02em;
}

.empty-state-description {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.7);
    margin: 0 0 2rem 0;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.empty-state-cta {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.8);
    margin: 1.5rem 0 1rem 0;
    font-weight: 500;
}

.empty-state .btn {
    margin-top: 0.5rem;
}

/* Formulario de creación */
.form-container {
    max-width: 700px;
    margin: 2rem auto;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: 12px;
}

.apunte-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 500;
    font-size: 1.1rem;
    color: #ffffff;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.75rem;
    border-radius: 8px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    background-color: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    font-size: 1rem;
    font-family: 'Roboto', sans-serif;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #ffd700;
    background-color: rgba(255, 255, 255, 0.15);
}

.form-group select option {
    background-color: #560D47;
    color: #ffffff;
}

.form-group small {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.85rem;
}

.file-upload-group input[type="file"] {
    padding: 0.5rem;
    cursor: pointer;
}

.form-divider {
    text-align: center;
    position: relative;
    margin: 1rem 0;
}

.form-divider::before,
.form-divider::after {
    content: "";
    position: absolute;
    top: 50%;
    width: 45%;
    height: 1px;
    background-color: rgba(255, 255, 255, 0.3);
}

.form-divider::before {
    left: 0;
}

.form-divider::after {
    right: 0;
}

.form-divider span {
    background-color: rgba(86, 13, 71, 0.8);
    padding: 0 1rem;
    color: rgba(255, 255, 255, 0.7);
}

.form-info {
    background-color: rgba(255, 215, 0, 0.1);
    border-left: 4px solid #ffd700;
    padding: 1rem;
    border-radius: 4px;
}

.form-info p {
    margin: 0;
    color: #ffffff;
}

.form-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    margin-top: 1rem;
}

/* Sección de info en home */
/* ========================== */
/* 6. Home de Apuntes */
/* ========================== */

.apuntes-home {
    align-items: flex-start;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 18px;
    color: #fdf9ff;
    margin: 40px auto;
    max-width: 1180px;
    padding: 32px;
    text-align: left;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.18);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.apuntes-hero {
    width: 100%;
    margin-bottom: 1.5rem;
}

.apuntes-title {
    color: #ffffff;
    margin-bottom: 0.35rem;
}

.apuntes-subtitle {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 0;
}

.apuntes-home-content {
    width: 100%;
}

/* Layout wrapper for the hero cards. Using flex with wrapping prevents overlap while
   keeping cards aligned across breakpoints. */
.apuntes-cards-layout {
    display: flex;
    flex-wrap: wrap;
    gap: 1.75rem;
    align-items: stretch;
    justify-content: center;
}

.apuntes-card {
    width: 100%;
    flex: 1 1 340px;
    min-width: 0;
    background: rgba(255, 255, 255, 0.12);
    border-radius: 16px;
    padding: 1.75rem;
    box-shadow: 0 14px 34px rgba(0, 0, 0, 0.18);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.apuntes-card h2 {
    margin-top: 0;
    color: #ffd700;
    text-align: left;
}


.apuntes-card-description {
    margin: 0 0 1.25rem;
    color: rgba(255, 255, 255, 0.92);
}

.apuntes-navigation {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    margin: 0.75rem 0 0;
    width: 100%;
    gap: 0.75rem;
}

.apuntes-navigation a {
    max-width: 100%;
    width: 100%;
    text-align: center;
    padding: 0.9rem 1.25rem;
    border-radius: 12px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.18);
    border: 1px solid rgba(255, 255, 255, 0.12);
    font-weight: 700;
    letter-spacing: 0.01em;
    transition: background-color 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
    box-sizing: border-box;
}

.apuntes-navigation a:hover {
    background-color: #8c5cb4;
    transform: translateY(-1px);
    box-shadow: 0 12px 22px rgba(0, 0, 0, 0.22);
}

.apuntes-card-info .info-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.apuntes-card-info .info-list li {
    padding: 0.65rem 0;
    font-size: 1.05rem;
    line-height: 1.6;
    color: #f7f4ff;
}

@media (max-width: 768px) {
    .apuntes-home {
        padding: 20px;
    }

    .apuntes-cards-layout {
        flex-direction: column;
    }
}

/* Admin panel */
.admin-container {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
}

.filter-controls {
    background-color: rgba(255, 255, 255, 0.1);
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    margin-bottom: 2rem;
    text-align: center;
}

.filter-link {
    color: #ffffff;
    text-decoration: none;
    padding: 0.5rem 1rem;
    transition: color 0.3s;
}

.filter-link:hover {
    color: #ffd700;
}

.filter-link.active {
    color: #ffd700;
    font-weight: bold;
}

.admin-apuntes-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.admin-apunte-card {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    padding: 1.5rem;
    border-left: 4px solid transparent;
}

.admin-apunte-card.status-pending {
    border-left-color: #ff9800;
}

.admin-apunte-card.status-approved {
    border-left-color: #4caf50;
}

.admin-apunte-card.status-rejected {
    border-left-color: #f44336;
}

.admin-apunte-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.apunte-meta {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    align-items: flex-end;
}

.apunte-meta small {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.85rem;
}

.status-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    margin-left: 0.5rem;
}

.status-badge.status-pending {
    background-color: rgba(255, 152, 0, 0.3);
    color: #ff9800;
}

.status-badge.status-approved {
    background-color: rgba(76, 175, 80, 0.3);
    color: #4caf50;
}

.status-badge.status-rejected {
    background-color: rgba(244, 67, 54, 0.3);
    color: #f44336;
}

.admin-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 1rem;
    flex-wrap: wrap;
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

.btn-success {
    background-color: rgba(76, 175, 80, 0.8);
    color: white;
}

.btn-success:hover {
    background-color: rgba(76, 175, 80, 1);
}

.btn-warning {
    background-color: rgba(255, 152, 0, 0.8);
    color: white;
}

.btn-warning:hover {
    background-color: rgba(255, 152, 0, 1);
}

.btn-danger {
    background-color: rgba(244, 67, 54, 0.8);
    color: white;
}

.btn-danger:hover {
    background-color: rgba(244, 67, 54, 1);
}

/* Responsive */
@media (max-width: 768px) {
    .apuntes-header {
        flex-direction: column;
        align-items: stretch;
    }

    .apunte-links {
        flex-direction: column;
    }

    .apunte-footer {
        flex-direction: column;
        align-items: flex-start;
    }

    .form-actions {
        flex-direction: column;
    }

    .admin-apunte-header {
        flex-direction: column;
    }

    .apunte-meta {
        align-items: flex-start;
    }

    .admin-actions {
        flex-direction: column;
    }

    .admin-actions .btn {
        width: 100%;
        text-align: center;
    }
}