@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;600;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Chakra+Petch:wght@500;700&display=swap');

:root {
    --background-color: #ffffff;
    --card-background: #ffffff;
    --header-footer-bg: #f8f9fa;
    --text-color: #212529;
    --text-color-muted: #6c757d;
    --border-color: #dee2e6;
    --accent-color: #007bff;
    --chart-1: #343a40;
    --chart-2: #6c757d;
    --chart-3: #adb5bd;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Poppins', sans-serif;
    background-color: #f8f9fa;
    color: var(--text-color);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    overflow-x: hidden;
}

#particles-js { position: fixed; width: 100%; height: 100%; top: 0; left: 0; z-index: -1; background-color: #f8f9fa; }

header, footer {
    background-color: var(--text-color);
    color: var(--background-color);
    text-align: center;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    position: relative; /* For particle container */
    overflow: hidden; /* Hide particle overflow */
}

header h1 { font-weight: 700; color: var(--background-color); letter-spacing: 1px; animation: fadeInDown 0.8s ease-out; z-index: 1; position: relative; }
footer { border-top: 1px solid var(--border-color); border-bottom: none; color: var(--text-color-muted); }
footer p { z-index: 1; position: relative; }

#header-particles, #footer-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 0;
}

main {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 2.5rem 1rem;
    gap: 2.5rem;
}

.dashboard-container, .filter-container, .carousel-container { opacity: 0; animation: fadeInUp 0.8s ease-out forwards; }
.dashboard-container { animation-delay: 0.2s; }
.filter-container { animation-delay: 0.4s; }
.carousel-container { animation-delay: 0.6s; }

.dashboard-container { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; width: 100%; max-width: 1100px; }

.chart-container {
    background-color: var(--card-background);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 4px rgba(0,0,0,0.04), 0 5px 15px rgba(0,0,0,0.06);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.chart-container:hover { transform: translateY(-5px); box-shadow: 0 4px 8px rgba(0,0,0,0.06), 0 10px 20px rgba(0,0,0,0.1); }
.chart-container h2 { text-align: center; color: var(--text-color); margin-bottom: 1.5rem; font-size: 1.2rem; font-weight: 600; }

.filter-container { background-color: var(--card-background); padding: 1.5rem; border-radius: 8px; border: 1px solid var(--border-color); text-align: center; width: 100%; max-width: 1100px; box-shadow: 0 2px 4px rgba(0,0,0,0.04), 0 5px 15px rgba(0,0,0,0.06); }
#person-select { padding: 10px 15px; border-radius: 6px; border: 1px solid var(--border-color); background-color: var(--background-color); color: var(--text-color); font-family: 'Poppins', sans-serif; cursor: pointer; transition: border-color 0.3s; }
#person-select:hover { border-color: var(--text-color); }

.carousel-container { width: 100%; max-width: 900px; position: relative; overflow: hidden; border-radius: 8px; border: 1px solid var(--border-color); background-color: var(--card-background); box-shadow: 0 2px 4px rgba(0,0,0,0.04), 0 5px 15px rgba(0,0,0,0.06); transition: transform 0.3s ease, box-shadow 0.3s ease; }
.carousel-container:hover { transform: translateY(-5px); box-shadow: 0 4px 8px rgba(0,0,0,0.06), 0 10px 20px rgba(0,0,0,0.1); }

.carousel-slider { display: flex; transition: transform 0.5s ease-in-out; }

.profile-card {
    flex: 0 0 100%;
    padding: 2.5rem;
    display: grid;
    grid-template-columns: 280px 1fr;
    grid-template-rows: auto auto 1fr;
    grid-template-areas:
        "image title"
        "image description"
        "image radar";
    gap: 1rem 2.5rem;
    align-items: start;
}

.profile-card img {
    grid-area: image;
    width: 100%;
    height: auto;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
    filter: grayscale(60%);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.carousel-container:hover .profile-card img {
    transform: scale(1.05);
    filter: grayscale(0%);
}

.profile-title {
    grid-area: title;
    color: var(--text-color);
    margin: 0;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.75rem;
    font-size: 1.8rem;
    font-family: 'Chakra Petch', sans-serif;
}

.profile-description {
    grid-area: description;
    font-family: 'Chakra Petch', sans-serif;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem 2rem; /* row-gap column-gap */
    align-content: start;
}

.stat-block--full-width {
    grid-column: 1 / -1; /* Span both columns */
}

.stat-block { display: flex; flex-direction: column; gap: 0.5rem; animation: stat-fade-in 0.6s ease-out backwards; }
.stat-block__label { font-size: 0.9rem; font-weight: 700; color: var(--text-color-muted); text-transform: uppercase; letter-spacing: 1px; }
.stat-block__value { font-size: 1.2rem; font-weight: 500; color: var(--accent-color); }

.tags-container { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.tag { background-color: var(--header-footer-bg); border: 1px solid var(--border-color); color: var(--text-color-muted); padding: 0.3rem 0.7rem; border-radius: 4px; font-size: 0.85rem; font-weight: 500; animation: stat-fade-in 0.5s ease-out backwards; }

.radar-chart-container {
    grid-area: radar;
    padding-top: 1rem;
    max-width: 400px;
    margin: 0;
}

.carousel-button { position: absolute; top: 50%; transform: translateY(-50%); background-color: rgba(255, 255, 255, 0.8); border: 1px solid var(--border-color); color: var(--text-color); font-size: 2rem; cursor: pointer; z-index: 100; transition: background-color 0.3s, transform 0.3s; border-radius: 50%; width: 45px; height: 45px; display: flex; align-items: center; justify-content: center; }
.carousel-button:hover { background-color: var(--background-color); }
.carousel-button:active { transform: translateY(-50%) scale(0.9); }
.prev { left: 15px; }
.next { right: 15px; }

@keyframes fadeInUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeInDown { from { opacity: 0; transform: translateY(-20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes stat-fade-in { from { opacity: 0; transform: translateX(-10px); } to { opacity: 1; transform: translateX(0); } }

/* --- Responsive Design --- */
@media (max-width: 820px) {
    main {
        padding: 1.5rem 0.5rem;
    }

    .dashboard-container {
        grid-template-columns: 1fr; /* Single column dashboard */
    }

    .profile-card {
        grid-template-columns: 1fr; /* Single column profile card */
        grid-template-rows: auto; /* Let rows be automatic */
        grid-template-areas:
            "image"
            "title"
            "description"
            "radar";
        gap: 1.5rem;
        padding: 1.5rem;
    }

    .profile-card img {
        max-width: 250px; /* Control image size in the single column */
        margin: 0 auto; /* Center the image */
    }

    .profile-description {
        grid-template-columns: 1fr; /* Single column stats */
    }

    .radar-chart-container {
        max-width: 320px;
    }

    .carousel-container {
        width: 100%;
    }
}