:root {
    --bg-color: #1f1f1f;
    --text-color: #e0e0e0;
    --primary-color: #ffffff;
    --secondary-color: #a0a0a0;
    --accent-color: #61dafb; /* A subtle accent color */
    --panel-bg-color: #313131;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: 'Lato', sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 20px;
}

.container {
    max-width: 800px;
    margin: 25px auto;
    padding: 20px;
}

/* --- Header & Typography --- */
header {
    text-align: center;
    margin-bottom: 60px;
}

.main-title {
    font-family: 'Georgia', serif;
    font-size: 3.5rem;
    font-weight: normal;
    color: var(--primary-color);
    margin: 0;
}

.subtitle {
    font-size: 1.2rem;
    color: var(--secondary-color);
    margin-top: 5px;
}

h2 {
    font-family: 'Georgia', 'Lato', sans-serif;
    font-weight: normal;
    font-size: 1.5rem;
    color: var(--primary-color);
    border-bottom: 1px solid var(--panel-bg-color);
    padding-bottom: 10px;
    margin-top: 40px;
    margin-bottom: 25px;
}

a {
    color: var(--accent-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--primary-color);
}

/* --- About Section --- */
.social-links {
    margin-top: 20px;
}

.social-links a {
    color: var(--secondary-color);
    font-size: 1.8rem;
    margin-right: 25px;
    transition: color 0.3s ease;
}

.social-links a:hover {
    color: var(--primary-color);
}

/* --- Experience Accordion --- */
.accordion {
    background-color: var(--bg-color);
    color: var(--text-color);
    cursor: pointer;
    padding: 18px;
    width: 100%;
    border: none;
    border-bottom: 1px solid var(--panel-bg-color);
    text-align: left;
    outline: none;
    font-size: 15px;
    transition: background-color 0.4s ease;
}

.accordion:hover, .accordion.active {
    background-color: var(--panel-bg-color);
}

.accordion-header {
    display: flex;
    align-items: center;
    column-gap: 1em;
}

.company-logo {
    width: 40px;
    height: 40px;
    border-radius: 5px;
}

.job-title-container {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-grow: 1;
}

.job-title {
    flex-grow: 1;
    line-height: 1.4em;
}

.job-title h3, .job-title p {
    margin: 0;
}

.job-title h3 {
    font-size: 1.1rem;
    color: var(--primary-color);
    font-weight: normal;
}

.job-title p {
    font-size: 0.9rem;
    color: var(--secondary-color);
}

.job-period p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--secondary-color);
    white-space: nowrap;
}

.panel {
    padding: 0px 18px;
    background-color: var(--panel-bg-color);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.panel ul {
    list-style-type: disc;
    padding-left: 20px;
    margin-bottom: 15px;
    margin-left: 2.2em;
}

.panel li {
    margin-bottom: 10px;
}

/* --- Projects & Publications --- */
.project-item, .publication-item {
    margin-bottom: 20px;
}

.project-item h3 {
    margin: 0 0 5px 0;
    color: var(--primary-color);
    margin-left: 1em;
}

.project-item p {
    margin-left: 2em;
}

/* --- Footer --- */
footer {
    text-align: center;
    margin-top: 60px;
    color: var(--secondary-color);
    font-size: 0.9rem;
}

/* --- Responsive Design --- */
@media (max-width: 640px) {
    .main-title {
        font-size: 2.8rem;

    }

    .job-period {
        margin: 0;
        color: var(--secondary-color);
        white-space: normal !important;
        word-wrap: break-word !important;
    }

    .accordion-header {
        display: flex;
        column-gap: 1.5em;
        justify-content: normal;
    }

    .job-title-container {
        max-width: 90%;
        flex-direction: column;
        align-items: flex-start;
    }


    .job-title {
        flex-grow: 1;
        line-height: 1.4em;
    }

    .job-title h3, .job-title p {
        white-space: nowrap;
        
    }

    .job-title h3 {
        font-size: 1.1rem;
        color: var(--primary-color);
        font-weight: normal;
        white-space: nowrap;
    }

    .job-title p {
        font-size: 0.9rem;
        color: var(--secondary-color);
    }

    .job-period p {
        margin: 0;
        font-size: 0.9rem;
        color: var(--secondary-color);
        white-space: nowrap;
    }



}