/* General Reset */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* Layout Grid */
.container {
    display: grid;
    grid-template-columns: 80px 1fr;
    min-height: 100vh;
}

/* Sidebar (Orange) */
.sidebar {
    background-color: #f7a000;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: 20px;
    gap: 20px;
}

.icon-box {
    width: 40px;
    height: 40px;
    background: white;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 4px;
    border: 1px solid #333;
    font-size: 18px;
}

.nav-item span {
    display: block;
    text-align: center;
    font-size: 11px;
    font-weight: bold;
    margin-top: 4px;
}

/* Main Content Wrapper */
.content-wrapper {
    display: flex;
    flex-direction: column;
}

/* Hero / Slider Section */
.hero-section {
    background-color: #a8a8a8; /* Grey top background */
    padding: 40px;
    position: relative;
    border-bottom: 8px solid #4a4a55;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.slider-container {
    position: relative;
    max-width: 800px;
    width: 100%;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.main-art {
    width: 100%;
    display: block;
    border-radius: 8px;
}

.arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0,0,0,0.7);
    color: white;
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    cursor: pointer;
}

.prev { left: 10px; }
.next { right: 10px; }

.user-name {
    align-self: flex-end;
    margin-top: 20px;
    font-size: 42px;
    color: #000;
}

/* Detailed Info Section (Dark Grey) */
.detail-section {
    background-color: #5a5a66;
    padding: 40px;
    flex-grow: 1;
}

/* Nested Grid for content layout */
.detail-grid {
    display: grid;
    grid-template-columns: 1fr 180px; /* Text takes most space, metadata is fixed */
    grid-template-areas: 
        "title ."
        "desc meta";
    gap: 20px;
    max-width: 900px;
    margin: 0 auto;
}

.title-bar {
    grid-area: title;
    background-color: #d9d9d9;
    padding: 15px;
    border-radius: 8px;
    text-align: center;
}

.description-box {
    grid-area: desc;
    background-color: #d9d9d9;
    padding: 30px;
    border-radius: 12px;
    line-height: 1.5;
    text-align: center;
}

.description-box p {
    margin-bottom: 20px;
}

.metadata-box {
    grid-area: meta;
    background-color: #d9d9d9;
    padding: 20px;
    border-radius: 8px;
    text-align: center;
    font-size: 14px;
}

.meta-section {
    margin-bottom: 25px;
}

/* Footer */
.footer-bar {
    background-color: #4a4a55;
    height: 60px;
}