* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: #0d1117;
    color: #c9d1d9;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

.login-card {
    background: #161b22;
    border: 1px solid #30363d;
    border-radius: 12px;
    padding: 40px 32px;
}

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.login-header h1 {
    font-size: 24px;
    margin-top: 16px;
    color: #f0f6fc;
}

.subtitle {
    color: #8b949e;
    font-size: 14px;
    margin-top: 8px;
}

.error-msg {
    background: #3d1a1a;
    border: 1px solid #6e3030;
    color: #f85149;
    padding: 10px 14px;
    border-radius: 6px;
    margin-bottom: 20px;
    font-size: 14px;
    text-align: center;
}

.logout-msg {
    background: #1a2e1a;
    border: 1px solid #2a6e2a;
    color: #56d364;
    padding: 10px 14px;
    border-radius: 6px;
    margin-bottom: 20px;
    font-size: 14px;
    text-align: center;
}

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

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 14px;
    color: #c9d1d9;
}

.form-group input {
    width: 100%;
    padding: 10px 12px;
    background: #0d1117;
    border: 1px solid #30363d;
    border-radius: 6px;
    color: #f0f6fc;
    font-size: 14px;
    transition: border-color 0.2s;
}

.form-group input:focus {
    outline: none;
    border-color: #e94560;
    box-shadow: 0 0 0 3px rgba(233, 69, 96, 0.15);
}

.login-btn {
    width: 100%;
    padding: 10px;
    background: #e94560;
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.login-btn:hover {
    background: #d63851;
}

.login-btn:active {
    background: #c22d45;
}