body {
    background: #f7f5f2;
    font-family: 'Georgia', serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    position: relative;
}

.back-arrow {
    position: absolute;
    top: 25px;
    left: 25px;
    background: rgba(255, 255, 255, 0.8);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: background 0.2s;
    z-index: 10;
}

.back-arrow:hover {
    background: rgba(255, 255, 255, 1);
}
.login-container {
    background: transparent;
    box-shadow: none;
    padding: 0;
    width: 350px;
    text-align: center;
}
.logo {
    width: 90px;
    margin-bottom: 18px;
    filter: drop-shadow(0 2px 8px rgba(180, 140, 100, 0.10));
}
h2 {
    font-family: 'Georgia', serif;
    color: #b48c64;
    margin-bottom: 24px;
    letter-spacing: 1px;
}
.form-group {
    margin-bottom: 18px;
    text-align: left;
}
label {
    display: block;
    margin-bottom: 6px;
    color: #7a5c3e;
    font-size: 15px;
}
input[type="text"], input[type="password"] {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #e0d6c3;
    border-radius: 6px;
    font-size: 15px;
    background: #f9f7f4;
    color: #5a4632;
    outline: none;
    transition: border 0.2s;
}
input[type="text"]:focus, input[type="password"]:focus {
    border-color: #b48c64;
}
.login-btn {
    width: 100%;
    padding: 12px;
    background: linear-gradient(90deg, #b48c64 60%, #e2c9a0 100%);
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-family: 'Georgia', serif;
    font-weight: bold;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(180, 140, 100, 0.10);
    transition: background 0.2s;
}
.login-btn:hover {
    background: linear-gradient(90deg, #a07a4a 60%, #d1b48a 100%);
}
.error {
    background: #ffe5e0;
    color: #b44a3a;
    border: 1px solid #f5c6cb;
    border-radius: 5px;
    padding: 8px 0;
    margin-bottom: 18px;
    font-size: 15px;
}