* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

body {
    background: #1a1a1a;
    color: #fff;
    line-height: 1.6;
}

.navbar {
    background: #0f0f0f;
    padding: 15px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.navbar .logo {
    font-size: 24px;
    font-weight: 600;
    color: #ff6200;
}

.navbar .nav-links a {
    color: #fff;
    text-decoration: none;
    margin-left: 25px;
    font-size: 16px;
    transition: color 0.3s;
}

.navbar .nav-links a:hover {
    color: #ff6200;
}

.hero {
    min-height: 80vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 20px;
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
    color: #fff;
}

.hero p {
    font-size: 18px;
    color: #b3b3b3;
    margin-bottom: 30px;
}

.upload-box {
    background: #2b2b2b;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    width: 800px;
    text-align: center;
}

.upload-buttons {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 20px;
}

.upload-box label, .modify-btn, .save-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    background: #ff6200;
    color: #fff;
    padding: 15px 20px;
    border-radius: 10px;
    cursor: pointer;
    font-size: 16px;
    transition: background 0.3s;
    flex: 1;
}

.upload-box label i, .modify-btn i, .save-btn i {
    margin-left: 10px;
}

.upload-box label:hover, .modify-btn:hover, .save-btn:hover {
    background: #e55a00;
}

.upload-box input[type="file"] {
    display: none;
}

.file-section {
    text-align: right;
}

.file-list-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 20px;
    color: #fff;
    font-size: 16px;
}

.toggle-btn {
    background: none;
    border: none;
    color: #ff6200;
    font-size: 18px;
    cursor: pointer;
    transition: color 0.3s;
}

.toggle-btn:hover {
    color: #e55a00;
}

.file-list {
    margin-top: 10px;
    color: #b3b3b3;
    font-size: 14px;
    max-height: 100px;
    overflow-y: auto;
    display: block;
    margin-bottom: 20px;
}

.file-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 5px 0;
    padding: 5px;
    background: #333;
    border-radius: 5px;
}

.file-actions {
    display: flex;
    gap: 10px;
}

.copy-btn, .delete-btn {
    background: none;
    border: none;
    color: #ff6200;
    font-size: 14px;
    cursor: pointer;
    transition: color 0.3s;
}

.copy-btn:hover {
    color: #e55a00;
}

.delete-btn:hover {
    color: #ff0000;
}

.footer {
    background: #0f0f0f;
    padding: 20px;
    text-align: center;
    font-size: 14px;
    color: #b3b3b3;
    position: fixed;
    bottom: 0;
    width: 100%;
}