.portfolio {
    overflow-x: visible;
    width: 100%;
}

.portfolio-actions {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 1.5rem auto 0;
    padding: 0 1.5rem;
    gap: 1rem;
}

.sort-button {
    background: rgba(255, 255, 255, 0.65);
    border: 1px solid var(--card-border-color);
    border-radius: 12px;
    padding: 0.6rem 1.2rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: 'Raleway', sans-serif;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-color);
    transition: all 0.2s ease;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transform: perspective(1000px) rotateX(1deg) translateZ(2px);
    will-change: transform;
}

.sort-button:hover {
    background: rgba(255, 255, 255, 0.6);
    border-color: rgba(0, 0, 0, 0.15);
    transform: perspective(1000px) rotateX(0deg) translateY(-2px) translateZ(6px);
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.08);
}

.sort-button:hover .sort-button-icon {
    fill: var(--text-color);
}

.sort-button:focus-visible {
    outline: 2px solid rgba(255, 255, 255, 0.4);
    outline-offset: 3px;
}

.sort-button-icon {
    width: 16px;
    height: 16px;
    fill: var(--text-color);
    transition: transform 0.3s ease;
}

.sort-button.ascending .sort-button-icon {
    transform: rotate(180deg);
}

[data-theme="dark"] .sort-button {
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

[data-theme="dark"] .sort-button:hover {
    background: rgba(255, 255, 255, 0.25);
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.15);
}

[data-theme="dark"] .sort-button:focus-visible {
    outline: 2px solid rgba(255, 255, 255, 0.6);
}

.link-icon {
    vertical-align: -0.125em;
    margin-left: 4px;
    width: 16px;
    height: 16px;
    display: inline-block;
}

.portfolio-table a {
    display: inline-flex;
    align-items: center;
}

.portfolio-table th[data-sortable="true"] {
    cursor: pointer;
    position: relative;
}

.portfolio-table th[data-sortable="true"]:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.portfolio-table {
    width: 90%;
    margin: 2rem auto;
    border-collapse: collapse;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: none;
    border: 1px solid var(--card-border-color);
    position: relative;
    z-index: 1;
    transform: translateZ(0);
    -webkit-transform: translateZ(0);
    will-change: transform;
    perspective: 1000px;
    /* Standard property */
    -webkit-perspective: 1000;
    /* Existing prefixed property */
    backface-visibility: hidden;
    /* Standard property */
    -webkit-backface-visibility: hidden;
    /* Existing prefixed property */
}

.portfolio-table th,
.portfolio-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-color);
    font-family: 'Raleway', sans-serif;
}

.portfolio-table th {
    background: rgba(255, 255, 255, 0.05);
    font-weight: 500;
    font-size: 1.1em;
}

[data-theme="dark"] .portfolio-table {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid var(--card-border-color);
    box-shadow: none;
}

.portfolio-table tr:last-child td {
    border-bottom: none;
}

.portfolio-table a {
    color: var(--text-color);
    text-decoration: none;
    transition: all 0.2s ease;
}

.portfolio-table a:hover {
    opacity: 0.8;
    text-decoration: underline;
}

.github-activity {
    background: rgba(255, 255, 255, 0.65);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 1.5rem;
    max-width: 90%;
    margin: 2rem auto;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.06);
    border: 1px solid var(--card-border-color);
    overflow: hidden;
    transform: perspective(1000px) rotateX(1deg) translateZ(0);
    transition: background 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, transform 0.2s ease, color 0.2s ease;
}

[data-theme="dark"] .github-activity {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid var(--card-border-color);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.github-activity {
    text-align: center;
}

.github-activity img {
    width: 100%;
    max-width: 100%;
    height: auto;
    margin: 0 auto;
    display: block;
    border-radius: 8px;
}

.github-activity .github-link {
    display: inline-flex;
    align-items: center;
    color: var(--text-color);
    text-decoration: none;
    margin-top: 1rem;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid rgba(90, 90, 90, 0.14);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: all 0.2s ease;
    font-family: 'Raleway', sans-serif;
}

.github-activity .github-link:hover {
    background: rgba(255, 255, 255, 0.88);
    border-color: rgba(90, 90, 90, 0.2);
    transform: translateY(-2px);
}

[data-theme="dark"] .github-activity .github-link {
    background: rgba(0, 0, 0, 0.2);
    border-color: rgba(255, 255, 255, 0.08);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.08),
        0 4px 10px rgba(0, 0, 0, 0.16);
}

[data-theme="dark"] .github-activity .github-link:hover {
    background: rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.12);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.1),
        0 6px 14px rgba(0, 0, 0, 0.2);
}

.github-activity .link-icon {
    margin-left: 8px;
}

.github-activity .github-title {
    font-family: 'Raleway', sans-serif;
    font-size: 1em;
    font-weight: 500;
    margin: 0 0 1.5rem 0;
    color: var(--text-color);
}

.portfolio-scroll {
    display: flex;
    flex-direction: column;
    padding: 1rem;
}

.project-card {
    background: rgba(255, 255, 255, 0.65);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 20px;
    padding: 2.5rem;
    max-width: 800px;
    margin: 1rem auto;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid var(--card-border-color);
    opacity: 0;
    transform: translateX(100%) perspective(1000px) rotateX(2deg);
    will-change: transform, opacity;
    /* Optimisation pour l'animation */
    transition: transform 0.8s ease, opacity 0.8s ease, background 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.project-card.visible {
    opacity: 1;
    transform: translateX(0) perspective(1000px) rotateX(2deg) translateZ(0);
}

.project-card.left {
    transform: translateX(-100%) perspective(1000px) rotateX(2deg);
}

.project-card.left.visible {
    transform: translateX(0) perspective(1000px) rotateX(2deg) translateZ(0);
}

.project-card h2,
.project-card p {
    font-family: 'Raleway', sans-serif;
    color: var(--text-color);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.project-card p[data-i18n$="date"] {
    position: absolute;
    top: 1.5rem;
    left: 1.5rem;
    margin: 0;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 1rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: none;
    border: 1px solid var(--card-border-color);
    color: var(--text-color);
}

.project-card h2 {
    font-size: 1.6em;
    margin-bottom: 0.5rem;
    color: var(--text-color);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.project-card p {
    margin: 0.5rem 0;
    line-height: 1.6;
    color: var(--text-color);
}

.project-card ul {
    list-style-type: none;
    padding: 0;
    margin: 1rem 0;
}

.project-card ul li {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 5px;
    padding: 0.5rem;
    margin: 0.5rem 0;
    box-shadow: none;
    font-family: 'Raleway', sans-serif;
    border: 1px solid var(--card-border-color);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: all 0.05s ease;
}

/* Colors are now controlled by CSS variables */

[data-theme="dark"] .project-card ul li {
    background: rgba(255, 255, 255, 0.1);
}

.project-card a {
    color: var(--text-color);
    text-decoration: none;
}

.project-card a:hover {
    text-decoration: underline;
    opacity: 0.8;
}

[data-theme="dark"] .project-card {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--card-border-color);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
}