body {
    font-family: Arial, sans-serif;
    background: linear-gradient(to bottom, #0f0f0f, #1a1a1a);
    color: #E0E0E0;
    margin: 0;
    padding: 10px;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow-y: auto;
}

.glass-container {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 20px;
    max-width: 90%;
    width: 100%;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    position: relative;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

h1, h2 {
    text-align: center;
    color: #ffffff;
    margin-bottom: 15px;
    font-size: 20px;
}

.logout-btn, button {
    background: linear-gradient(135deg, #00DBDE, #FC00FF);
    color: #ffffff;
    border: none;
    padding: 8px 16px;
    cursor: pointer;
    font-size: 14px;
    border-radius: 10px;
    min-height: 35px;
    transition: 0.3s;
    text-align: center;
    text-decoration: none;
    display: flex;
    justify-content: center;
    align-items: center;
}

.logout-btn {
    background: linear-gradient(135deg, #FC466B, #3F5EFB);
}

.track-btn, .bind-btn {
    background: linear-gradient(135deg, #00F260, #0575E6);
}

.rename-btn {
    background: linear-gradient(135deg, #FFAFBD, #FFC3A0);
}

.delete-btn {
    background: linear-gradient(135deg, #ED213A, #93291E);
}

.login-btn, .upload-btn {
    background: linear-gradient(135deg, #2193b0, #6dd5ed);
}

.logout-btn:hover, button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(252, 0, 255, 0.3);
}

.buttons {
    display: flex;
    justify-content: space-around;
    margin-bottom: 20px;
}

.table-wrapper {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    overflow: hidden;
}

th, td {
    padding: 10px;
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 14px;
}

th {
    background: rgba(255, 255, 255, 0.1);
}

input, textarea {
    background: rgba(255, 255, 255, 0.05);
    color: #E0E0E0;
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 8px;
    font-size: 14px;
    border-radius: 15px;
    min-height: 35px;
    width: 100%;
    box-sizing: border-box;
}

form {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.flashed-messages, .error {
    color: #FF69B4;
    text-align: center;
}

.modal {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: #1A1A1A;
    padding: 15px;
    border-radius: 12px;
    z-index: 100;
    width: 80%;
    max-width: 350px;
}

.modal-buttons {
    display: flex;
    justify-content: space-between;
    gap: 10px;
}

.modal-buttons button {
    flex: 1;
}

.version {
    font-size: 12px;
    color: gray;
    text-align: center;
    margin-top: 20px;
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
}

.button {
    background: linear-gradient(135deg, #00DBDE, #FC00FF);
    color: #ffffff;
    border: none;
    padding: 8px 16px;
    cursor: pointer;
    font-size: 14px;
    border-radius: 10px;
    min-height: 35px;
    transition: 0.3s;
    text-align: center;
    text-decoration: none;
    display: flex;
    justify-content: center;
    align-items: center;
}

.button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(252, 0, 255, 0.3);
}

@media (min-width: 768px) {
    .glass-container {
        max-width: 800px;
    }

    h1, h2 {
        font-size: 24px;
    }

    .logout-btn, button {
        padding: 10px 20px;
        font-size: 16px;
    }

    th, td {
        padding: 12px;
        font-size: 16px;
    }

    input, textarea {
        padding: 10px;
        font-size: 16px;
    }

    .modal {
        width: 60%;
        max-width: 450px;
    }

    .button {
        padding: 10px 20px;
        font-size: 16px;
    }
}