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

body {
    background-color: #f5f5f5;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.container {
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 400px;
    overflow: hidden;
}

.header {
    background-color: #000000;
    color: white;
    padding: 20px;
    text-align: center;
}

.tabs {
    display: flex;
}

.tab {
    background-color: #f1f1f1;
    cursor: pointer;
    flex: 1;
    padding: 15px;
    text-align: center;
    transition: background-color 0.3s;
}

.tab.active {
    background-color: white;
    font-weight: bold;
}

.tab-content {
    padding: 30px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 14px;
    margin-bottom: 5px;
}

.form-group input {
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
    padding: 10px;
    width: 100%;
}

button {
    background-color: #000000;
    border: none;
    border-radius: 5px;
    color: white;
    cursor: pointer;
    font-size: 16px;
    padding: 12px;
    width: 100%;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #323030;
}

.admin-link {
    color: #0046b6;
    display: block;
    font-size: 14px;
    margin-top: 20px;
    text-align: center;
    text-decoration: none;
}

.admin-link:hover {
    text-decoration: underline;
}

.hidden {
    display: none;
}

.message {
    background-color: #d4edda;
    border-radius: 5px;
    color: #155724;
    margin-bottom: 20px;
    padding: 10px;
    text-align: center;
}

.error {
    background-color: #f8d7da;
    color: #721c24;
}
#login-loading-animation,
#register-loading-animation {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1000;
    background: rgba(255, 255, 255, 0.8);
    padding: 20px;
    border-radius: 10px;
}

#login-loading-animation img,
#register-loading-animation img {
    width: 50px;
    height: 50px;
}

/* Add disabled button style */
button:disabled {
    background-color: #cccccc;
    cursor: not-allowed;
}