:root {
    --bg-color: #c1f89e;
    --primary-yellow: #FFD54F;
    --primary-yellow-hover: #FFC107;
    --primary-green: #81C784;
    --primary-green-hover: #66BB6A;
    --text-main: #212121;
    --border-color: #212121;
    --border-width: 3px;
    --shadow-size: 6px;
}

* {
    box-sizing: border-box;
    border-radius: 0 !important; /* Hoàn toàn không bo góc */
}

body {
    margin: 0;
    padding: 30px 15px;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.block-box {
    background-color: #ffffff;
    border: var(--border-width) solid var(--border-color);
    padding: 25px 35px;
    box-shadow: var(--shadow-size) var(--shadow-size) 0px var(--border-color);
}

.top-header {
    background-color: var(--primary-yellow);
    text-align: center;
}

.top-header h1 {
    margin: 0 0 10px 0;
    font-size: 32px;
    text-transform: uppercase;
    letter-spacing: 2px;
    border-bottom: var(--border-width) solid var(--border-color);
    padding-bottom: 15px;
}

.top-header p {
    margin: 0;
    font-weight: bold;
    font-size: 16px;
}

h2 {
    background-color: var(--primary-green);
    border: var(--border-width) solid var(--border-color);
    padding: 10px 15px;
    margin-top: 0;
    margin-bottom: 20px;
    text-transform: uppercase;
    font-size: 20px;
    display: inline-block;
    box-shadow: 3px 3px 0px var(--border-color);
}

ul {
    padding-left: 25px;
}

li {
    margin-bottom: 12px;
    font-size: 15px;
}

/* Bảng danh sách Phim/Nhạc hỗ trợ */
.media-category {
    margin-bottom: 20px;
    border: 2px solid var(--border-color);
}
.media-category-title {
    background-color: var(--primary-yellow);
    padding: 10px;
    font-weight: bold;
    text-transform: uppercase;
    border-bottom: 2px solid var(--border-color);
}
.media-item {
    padding: 10px;
    border-bottom: 1px solid #ddd;
}
.media-item:last-child {
    border-bottom: none;
}
.media-item:hover {
    background-color: var(--bg-color);
}

/* Layout cho từng dòng bài hát */
.media-item {
    padding: 10px;
    border-bottom: 1px solid #ddd;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.media-item:last-child {
    border-bottom: none;
}

.media-item:hover {
    background-color: #f5f5f5;
}

.song-name {
    font-weight: 500;
}

/* Nút liên kết */
.song-links {
    display: flex;
    gap: 8px;
}

.link-btn {
    padding: 4px 10px;
    font-size: 12px;
    font-weight: bold;
    text-decoration: none;
    color: var(--text-main);
    border: 2px solid var(--border-color);
    background-color: #ffffff;
    transition: all 0.1s ease;
    cursor: pointer;
}

.link-btn:hover {
    transform: translate(-2px, -2px);
    box-shadow: 2px 2px 0px var(--border-color);
}

.video-link:hover {
    background-color: var(--primary-yellow);
}

.download-link:hover {
    background-color: var(--primary-green);
}