```css
/* =========================================================
   ACTUALITES YOUPLUGS - CSS COMPLET
   Style cohérent avec Applications + Jeux Vidéo
========================================================= */

/* =========================
   RESET LOCAL
========================= */

.youplugs-actualites-section * {
    box-sizing: border-box;
}

/* =========================
   VARIABLES GLOBALES
========================= */

.youplugs-actualites-section {
    --actu-main: #00ffea;
    --actu-main-soft: rgba(0, 255, 234, 0.18);
    --actu-main-mid: rgba(0, 255, 234, 0.65);
    --actu-main-strong: rgba(0, 255, 234, 0.95);

    --actu-bg: rgba(0, 100, 255, 0.6);
    --actu-card-bg: rgba(0, 0, 0, 0.45);
    --actu-input-bg: #202020;

    --actu-text: #ffffff;
    --actu-muted: #d6faff;

    width: 100%;
    color: var(--actu-text);
    font-family: 'Roboto', sans-serif;
    overflow-x: hidden;
}

/* =========================
   THEMES COULEURS
========================= */

.youplugs-actualites-section.actualites-theme-cyan {
    --actu-main: #00ffea;
    --actu-main-soft: rgba(0, 255, 234, 0.18);
    --actu-main-mid: rgba(0, 255, 234, 0.65);
    --actu-main-strong: rgba(0, 255, 234, 0.95);
}

.youplugs-actualites-section.actualites-theme-green {
    --actu-main: #00ff88;
    --actu-main-soft: rgba(0, 255, 136, 0.18);
    --actu-main-mid: rgba(0, 255, 136, 0.65);
    --actu-main-strong: rgba(0, 255, 136, 0.95);
}

.youplugs-actualites-section.actualites-theme-blue {
    --actu-main: #00a6ff;
    --actu-main-soft: rgba(0, 166, 255, 0.18);
    --actu-main-mid: rgba(0, 166, 255, 0.65);
    --actu-main-strong: rgba(0, 166, 255, 0.95);
}

.youplugs-actualites-section.actualites-theme-purple {
    --actu-main: #b000ff;
    --actu-main-soft: rgba(176, 0, 255, 0.18);
    --actu-main-mid: rgba(176, 0, 255, 0.65);
    --actu-main-strong: rgba(176, 0, 255, 0.95);
}

.youplugs-actualites-section.actualites-theme-gold {
    --actu-main: #ffd000;
    --actu-main-soft: rgba(255, 208, 0, 0.18);
    --actu-main-mid: rgba(255, 208, 0, 0.65);
    --actu-main-strong: rgba(255, 208, 0, 0.95);
}

/* =========================
   PANELS
========================= */

.actualites-theme-panel,
.actualites-actions-bar {
    background: rgba(0,100,255,0.6);
    border-radius: 30px;
    padding: 15px 20px;

    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;

    margin: 20px auto;

    border: 3px solid var(--actu-main);

    box-shadow:
        0 0 15px var(--actu-main-strong),
        0 0 25px var(--actu-main-mid),
        0 0 35px var(--actu-main-soft);

    transition: all 0.4s;

    width: 95%;
    max-width: 1000px;

    flex-wrap: wrap;
}

.actualites-theme-panel:hover,
.actualites-actions-bar:hover {
    background: rgba(130,0,255,0.7);
}

/* =========================
   LABEL
========================= */

.actualites-theme-label {
    color: #fff;
    font-weight: bold;
    text-shadow: 0 0 10px var(--actu-main);
}

/* =========================
   BOUTONS
========================= */

.actualites-theme-btn,
.btn-add-actualites,
.extractButton-actualites,
.btn-actualite {
    padding: 12px 20px;
    font-size: 1em;

    color: var(--actu-main);

    background: rgba(0,0,0,0.7);

    border: 3px solid var(--actu-main);
    border-radius: 20px;

    cursor: pointer;

    text-shadow:
        0 0 12px var(--actu-main),
        0 0 25px var(--actu-main);

    transition: 0.3s;

    text-decoration: none;
    text-align: center;

    display: inline-block;
}

.actualites-theme-btn:hover,
.actualites-theme-btn.active,
.btn-add-actualites:hover,
.extractButton-actualites:hover,
.btn-actualite:hover {
    background: var(--actu-main);
    color: #000;

    box-shadow:
        0 0 20px var(--actu-main),
        0 0 30px var(--actu-main);
}

/* =========================
   RECHERCHE
========================= */

.actualites-search-wrapper {
    background: rgba(0,100,255,0.6);

    border-radius: 30px;

    padding: 20px;

    margin: 20px auto 30px;

    border: 3px solid var(--actu-main);

    box-shadow:
        0 0 15px var(--actu-main-strong),
        0 0 25px var(--actu-main-mid),
        0 0 35px var(--actu-main-soft);

    transition: all 0.4s;

    width: 95%;
    max-width: 1000px;
}

.actualites-search-form {
    display: grid;

    grid-template-columns:
        minmax(240px, 1fr)
        155px
        155px
        165px
        auto;

    gap: 15px;

    width: 100%;
    align-items: center;
}

.actualites-search-input,
.actualites-date-input,
.actualites-sort-select {
    width: 100%;

    padding: 12px 15px;

    border: 2px solid var(--actu-main);

    background: var(--actu-input-bg);

    color: white;

    border-radius: 20px;

    font-size: 16px;

    outline: none;

    box-shadow:
        inset 0 0 12px var(--actu-main-soft);
}

.actualites-search-input:focus,
.actualites-date-input:focus,
.actualites-sort-select:focus {
    background: #333;

    box-shadow:
        0 0 18px var(--actu-main-strong),
        inset 0 0 16px var(--actu-main-soft);
}

/* =========================
   RESULTATS
========================= */

.actualites-results {
    width: 100%;
}

.actualites-list {
    display: flex;
    flex-direction: column;

    gap: 22px;

    padding: 0 15px 25px;

    width: 100%;
    max-width: 1100px;

    margin: 0 auto;
}

/* =========================
   CARTE RECTANGULAIRE
========================= */

.actualite-rect-card {
    display: grid;

    grid-template-columns: 280px 1fr;

    background: rgba(0,100,255,0.6);

    border-radius: 30px;

    overflow: hidden;

    border: 3px solid var(--actu-main);

    box-shadow:
        0 0 15px var(--actu-main-strong),
        0 0 25px var(--actu-main-mid),
        0 0 35px var(--actu-main-soft);

    transition: all 0.3s;

    min-height: 220px;
}

.actualite-rect-card:hover {
    transform: translateY(-5px);

    background: rgba(130,0,255,0.7);
}

.actualite-rect-image {
    min-height: 220px;

    background: rgba(0,0,0,0.7);

    display: flex;
    align-items: center;
    justify-content: center;
}

.actualite-rect-image img {
    width: 100%;
    height: 100%;

    min-height: 220px;

    object-fit: cover;

    display: block;
}

.actualite-placeholder {
    font-size: 70px;

    color: var(--actu-main);

    text-shadow:
        0 0 20px var(--actu-main),
        0 0 40px var(--actu-main);
}

.actualite-rect-content {
    padding: 20px;
}

.actualite-meta-row {
    display: flex;
    justify-content: space-between;

    gap: 10px;

    flex-wrap: wrap;

    margin-bottom: 10px;
}

.actualite-author,
.actualite-date {
    color: var(--actu-main);

    background: rgba(0,0,0,0.7);

    border: 2px solid var(--actu-main);

    border-radius: 20px;

    padding: 6px 10px;

    font-size: 13px;

    text-shadow: 0 0 10px var(--actu-main);
}

.actualite-rect-content h2 {
    font-size: 22px;
    font-weight: bold;

    color: var(--actu-main);

    margin: 0 0 10px;

    font-family: 'Orbitron', sans-serif;

    text-shadow: 0 0 12px var(--actu-main);
}

.actualite-rect-content p {
    font-size: 15px;

    color: #e0f7ff;

    margin-bottom: 12px;

    line-height: 1.5;
}

.actualite-tags {
    color: var(--actu-main);

    margin-bottom: 12px;

    font-size: 13px;

    text-shadow: 0 0 8px var(--actu-main);
}

.actualite-buttons-wrap {
    display: flex;
    gap: 10px;

    flex-wrap: wrap;
}

.btn-actualite.ghost {
    opacity: 0.85;
}

/* =========================
   MESSAGE
========================= */

.actualites-no-result,
.actualites-loading {
    text-align: center;

    font-size: 16px;

    color: #999;

    padding: 20px;
}

/* =========================
   PAGE ARTICLE OUVERTE
========================= */

.actualites-article-body {
    margin: 0;
    min-height: 100vh;

    background: #121212;

    color: #fff;

    font-family: 'Roboto', sans-serif;

    padding: 25px 10px;
}

.actualites-article-page {
    width: min(95%, 1000px);

    margin: 30px auto;

    overflow: hidden;

    border-radius: 35px;

    background: rgba(0,100,255,0.6);

    border: 3px solid #00ffea;

    box-shadow:
        0 0 15px rgba(0,255,234,0.9),
        0 0 25px rgba(0,255,234,0.7),
        0 0 45px rgba(0,255,234,0.4);
}

.actualites-article-hero {
    width: 100%;

    height: clamp(220px, 45vw, 430px);

    object-fit: cover;

    display: block;

    border-bottom: 3px solid #00ffea;

    box-shadow: 0 0 25px rgba(0,255,234,0.6);
}

.actualites-article-content {
    padding: clamp(18px, 4vw, 35px);

    background:
        linear-gradient(
            135deg,
            rgba(0,0,0,0.55),
            rgba(0,100,255,0.25)
        );
}

.actualites-article-content h1 {
    font-size: clamp(26px, 5vw, 46px);

    line-height: 1.15;

    margin: 20px 0;

    color: #00ffea;

    font-family: 'Orbitron', sans-serif;

    text-shadow:
        0 0 12px #00ffea,
        0 0 25px rgba(0,255,234,0.8);
}

.actualites-article-meta {
    display: flex;
    justify-content: space-between;

    gap: 12px;

    flex-wrap: wrap;

    margin-bottom: 15px;
}

.actualites-article-meta span {
    color: #00ffea;

    background: rgba(0,0,0,0.75);

    border: 2px solid #00ffea;

    border-radius: 20px;

    padding: 8px 13px;

    font-size: 14px;

    text-shadow: 0 0 10px #00ffea;

    box-shadow:
        0 0 12px rgba(0,255,234,0.45);
}

.actualites-article-text {
    margin-top: 25px;

    color: #e0f7ff;

    font-size: clamp(16px, 2.2vw, 19px);

    line-height: 1.8;
}

.actualites-article-text p {
    margin-bottom: 18px;
}

.actualites-article-content .actualite-tags {
    display: inline-block;

    margin: 5px 0 20px;

    padding: 8px 14px;

    border-radius: 18px;

    color: #00ffea;

    background: rgba(0,0,0,0.7);

    border: 2px solid #00ffea;

    text-shadow: 0 0 10px #00ffea;

    box-shadow:
        0 0 15px rgba(0,255,234,0.35);
}

/* =========================
   ADMIN
========================= */

.actualites-admin-body {
    background: #121212;

    color: #fff;

    font-family: 'Roboto', sans-serif;
}

.actualites-admin-box {
    width: min(95%, 1000px);

    margin: 30px auto;

    padding: 22px;

    border-radius: 30px;

    background: rgba(0,100,255,0.6);

    border: 3px solid #00ffea;

    box-shadow:
        0 0 15px rgba(0,255,234,0.9),
        0 0 25px rgba(0,255,234,0.7);
}

.actualites-admin-box.wide {
    width: min(96%, 1200px);
}

.actualites-admin-form,
.actualites-edit-card {
    display: flex;
    flex-direction: column;

    gap: 10px;
}

.actualites-admin-form input,
.actualites-admin-form textarea,
.actualites-admin-form select,
.actualites-edit-card input,
.actualites-edit-card textarea,
.actualites-edit-card select {
    padding: 12px 15px;

    border-radius: 20px;

    border: 2px solid #00ffea;

    background: #202020;

    color: #fff;
}

.actualites-admin-form button,
.actualites-edit-card button {
    padding: 12px 20px;

    border-radius: 20px;

    border: 3px solid #00ffea;

    background: rgba(0,0,0,0.7);

    color: #00ffea;

    cursor: pointer;

    text-shadow: 0 0 12px #00ffea;
}

.actualites-edit-card button.danger {
    border-color: #ff3055;
    color: #ff3055;
}

.actualites-admin-status {
    color: #00ffea;

    font-weight: bold;
}

.actualites-manage-list {
    display: grid;

    grid-template-columns:
        repeat(auto-fit, minmax(320px, 1fr));

    gap: 18px;

    margin-top: 20px;
}

.actualites-edit-card {
    padding: 16px;

    border-radius: 25px;

    border: 2px solid #00ffea;

    background: rgba(0,0,0,0.45);
}

.actualites-edit-header,
.actualites-edit-actions {
    display: flex;
    justify-content: space-between;

    gap: 10px;
}

/* =========================
   RESPONSIVE
========================= */

@media (max-width: 1024px) {

    .actualites-search-form {
        grid-template-columns: 1fr 1fr;
    }

    .actualites-search-input {
        grid-column: 1 / -1;
    }

    .extractButton-actualites {
        grid-column: 1 / -1;
        width: 100%;
    }

    .actualite-rect-card {
        grid-template-columns: 240px 1fr;
    }
}

@media (max-width: 768px) {

    .actualites-search-form {
        grid-template-columns: 1fr;
    }

    .actualite-rect-card {
        grid-template-columns: 1fr;
    }

    .actualite-rect-image,
    .actualite-rect-image img {
        min-height: 190px;
        max-height: 260px;
    }

    .actualite-buttons-wrap {
        flex-direction: column;
    }

    .btn-actualite {
        width: 100%;
    }
}

@media (max-width: 480px) {

    .actualites-theme-panel,
    .actualites-actions-bar,
    .actualites-search-wrapper {
        width: 95%;
        padding: 15px;
    }

    .actualite-rect-content h2 {
        font-size: 18px;
    }

    .actualite-rect-content p {
        font-size: 14px;
    }
}
```