* {
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
}

body {
    margin: 0;
    height: 100vh;
    overflow: hidden;
}

/* Background like DSM */
.bg {
    position: fixed;
    inset: 0;
    background: url("images/bg.jpg") center / cover no-repeat;
}

/* Login card */
.login-card {
    position: absolute;
    right: 180px;
    top: 50%;
    transform: translateY(-50%);
    width: 420px;
    padding: 36px;
    background: #fff;
    border-radius: 6px;
    box-shadow: 0 10px 40px rgba(0,0,0,.25);
}

.brand {
    color: #3a7afe;
    font-weight: 800;
    letter-spacing: 2px;
    margin-bottom: 20px;
}

.title {
    font-size: 20px;
    margin-bottom: 30px;
    color: #222;
}

form {
    position: relative;
}

input {
    width: 100%;
    border: none;
    border-bottom: 1px solid #ddd;
    padding: 12px 0;
    margin-bottom: 26px;
    font-size: 14px;
}

input:focus {
    outline: none;
    border-color: #3a7afe;
}

/* Arrow button */
.arrow-btn {
    position: absolute;
    right: -74px;
    bottom: -16px;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: none;
    background: #3a7afe;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.arrow-btn svg {
    width: 20px;
    height: 20px;
}

/* Status */
.connecting {
    display: none;
    font-size: 13px;
    color: #666;
    margin-top: 12px;
}

.error {
    display: none;
    font-size: 13px;
    color: #d93025;
    margin-top: 12px;
}